Umbo definition zoology wikipedia.

Umbo definition zoology wikipedia Body Cavity 7. External Features of Lamellidens 3. Sample Sentences: 1. It is a small pit that contains the largest concentration of cone cells. Shells of two different species of sea snail: on the left is the normally sinistral (left-handed) shell of Neptunea angulata, on the right is the normally dextral (right-handed) shell of Neptunea despecta The shell of a large land snail (probably Helix pomatia) with parts broken off to show the interior structure. Although many small edible bivalves are loosely called cockles, true cockles are species in the family Cardiidae. Zoology (UK: / z u ˈ ɒ l ə dʒ i / zoo-OL-ə-jee, US: / z oʊ ˈ ɒ l ə dʒ i / zoh-OL-ə-jee) [1] is the scientific study of animals. [1] Zoologists are scientists who study animals. umbo synonyms, umbo pronunciation, umbo translation, English dictionary definition of umbo. [5] while the central umbo tents inward at the level of the tip of malleus. The umbo (literally "knob") was a pouch of the toga's fabric pulled out over the balteus (the diagonal section of the toga across the chest) in imperial-era forms of the toga. Freshwater apple snails in the genera Pomacea and Pila have an extensible siphon made from a flap of the left mantle cavity. 5cm wide and campanulate (bell shaped) when mature with a pronounced umbo. The medieval shield had a decorative umbo which added to its overall design. The boss or knob at the center of a shield. The umbo was sometimes hollow, convex toward the outer side and within allowing the hand to pass into the hollow and grasp a transverse bar; this form occurs especially in small round shields (see buckler); sometimes the umbo terminated in a spike which was a formidable weapon of offense. Explore quizzes and practice tests created by teachers and students or create one from your course material. Chez les Romains, ce terme désigne la pièce d’un bouclier qui fait saillie au centre de sa surface, surtout lorsque celle-ci est ronde, conique ou pointue. Marine blue mussel, Mytilus edulis, showing some of the inner anatomy, including the white posterior adductor muscle which is visible in the upper image, and has been cut in the lower image to allow the valves to open fully. The umbo (plural umbones or umbos) is the vaguely defined, often most prominent, highest part of each valve of the shell of a bivalve or univalve mollusc. It is produced following either the embryonic or trochophore larval stage of development. Der Begriff Umbo (lateinisch für Schildbuckel) bezeichnet bei den Muscheln (Bivalvia) den bezogen auf die Orientierung des Tiers auf dem Rücken des Gehäuses gelegenen ältesten Teil des Gehäuses. Each one of these two parts is known as a "valve". Umbo, pièce bombée ou conique en fer ou bronze se trouvant au milieu d'un bouclier. Mit ihrer Expressivität und poetischen Sichtweise setzen sie sich von der neusachlichen Hauptströmung innerhalb der deutschen Fotokunst in den 1920er Jahren ab, wie sie durch August Sander, Albert Renger-Patzsch oder Karl Blossfeldt vertreten wird. Loven (1840), a Swedish naturalist, was the first man who discovered trochophore larva. (pl. En biologie, l’umbo est un élément faisant saillie sur une pièce anatomique : sommet de la coquille des mollusques (umbo de bivalves), protubérance sur le chapeau de certains champignons, protubérance parfois épineuse sur les écailles des cônes de pin… The iridescent nacre inside a nautilus shell Nacreous shell worked into a decorative object. Bivalvia(Bivalves) Phylum MolluscaClass BivalviaNumber of families 105Thumbnail description Bilaterally symmetrical mollusks, with a reduced head and typically two external shell valves, many of which are commercially important for human consumption and pearl production; some have major impacts on the world economy and environment Source for information on Bivalvia (Bivalves): Grzimek's Animal the raised portion of the dorsal margin of a shell, also called the umbo. The double entrance to Kom Ombo Temple. Heart and Pericardium 11. This is particularly common in bivalve shells, where the umbo is often the oldest part of the shell, representing the point from which the shell started to grow. It is convex, later flat, and with a raised central boss umbo . Cette protubérance souvent noueuse et arrondie se forme lorsque l'animal est jeune ( prodissoconque ), et la coquille de celui-ci s'agrandit radialement autour de cet umbo. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary of leaf morphology. 3 (context mycology English) A bump or protrusion on the top of the cap As nouns the difference between shield and umbo is that shield is a broad piece of defensive armor, carried on the arm, formerly in general use in war, for the protection of the body while umbo is Umbo definition: . They may work in laboratories, or do field research. Discover the term 'umbo,' its comprehensive meaning, etymology, and usage across different fields such as anatomy, botany, and music. They use this siphon in order to breathe air while they are submerged in water which has a low oxygen content so they cannot effectively use their gill. Quotations. Meaning of umbo. Structures of the Trochophore Larva 3. Umbo – wyraźnie wyodrębniona, środkowa część tarczy, spajająca i wzmacniająca jej konstrukcję. Het trommelvlies gaat via de anulus fibrosus aan de rand over in de huid van de gehoorgang. Druh je definován jako největší skupina organismů, v níž mohou dva jedinci příslušného pohlaví zplodit plodné potomstvo. The apex of a valve of a bivalve is more usually known as the umbo or beak. b. Noun. (du latin [umbo] = ombilic). the boss of a shield; a rounded elevation: such as; an inward projection of the tympanic membrane of the ear… See the full definition The shell of Stenotrema florida, a land snail or terrestrial gastropod. The fovea is located near the center of the macula. Des vociférations éclatèrent en face d’un portique, où les soldats avaient suspendu leurs boucliers. Leucocoprinus tricolor - Wikipedia Dictionary entries. The following outline is provided as an overview of and topical guide to zoology: . Phylogenetic Significance. Inside the shell, the animal has a simple head without eyes or radula (the rasping, ribbon-like tongue used for feeding in other mollusc groups). net dictionary. Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation. — Francis Grose, A Treatise on Ancient Armour and Weapons, page xii. Study with Quizlet and memorize flashcards containing terms like Class Bivalvia, Umbo (Bivalves), Giant clam (Tridacna gigas) and more. (Zoology) A protuberance or bump on the exoskeleton of certain arthropods. . beak cavity (noun) the depression or cavity on the inside of each valve beneath the beak. The umbo is the vaguely defined, often most prominent, highest part of each valve of the shell of a bivalve or univalve mollusc. Historically the hinge teeth have provided a convenient means by which to construct classification schemes and attempt to indicate the phylogenetic relationships within the cl The mantle (also known by the Latin word pallium meaning mantle, robe or cloak, adjective pallial) is a significant part of the anatomy of molluscs: it is the dorsal body wall which covers the visceral mass and usually protrudes in the form of flaps well beyond the visceral mass itself. [2]True cockles live in sandy, sheltered beaches throughout the world. Leucocoprinus armeniacoflavus - Wikipedia. umbo (English) Origin & history Borrowed from Latin umbo Pronunciation. Historical Retrospect of Trochophore Larva 2. ( anatomy ) An inward projection of the tympanic membrane of the ear . Entries where "umbo" occurs: The ligament is an uncalcified elastic structure comprised in its most minimal state of two layers: a lamellar layer and a fibrous layer. In Brachiopoda and Bivalvia , the first part of the shell to be formed; it occurs at the posterior of each valve in brachiopods and forms the dorsal part of the shell in bivalves. Description of Lamellidens 2. They are found throughout Europe, Africa, and the Middle East, with some species introduced to East Asia. [2] Zoology is the science of studying animal life. The head of the malleus is the large protruding section, which attaches to the incus. Rising above the hinge line on each valve is a swelling called the umbo, the oldest part of the shell. It is the first of the three ossicles, and attached to the eardrum (tympanic membrane). The turtle's umbo on its shell provides protection and support. umbo membrana tympanae synonyms, umbo membrana tympanae pronunciation, umbo membrana tympanae translation, English dictionary definition of umbo membrana tympanae. In Cirripedia, a portion of the plate from which successive growth increments extend. The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike. The methods are many and various. in zoology, the beak of a bivalve shell; the protuberance of each valve above the hinge. Umbo is the meaning to the meaningless, and the definition to itself. It is part of biology. com | Zoology the beak of a bivalve shell; "umbo" published on by null. Umbro is an English sports equipment manufacturer founded in 1924 in Wilmslow, Cheshire, and based in Manchester. As nouns the difference between wood and umbo is that wood is the substance making up the central part of the trunk and branches of a tree. UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples in American English Define umbo. 5-3. pl. 4. [ 9 ] [ 10 ] At the dorsal or back region of the shell is the hinge point or line, which contain the umbo and beak and the lower, curved margin is the ventral or underside region. An otolith (Ancient Greek: ὠτο-, ōto-ear + λῐ́θος, líthos, a stone), also called otoconium, statolith, or statoconium, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates. Though comparatively robust, the pars tensa is the region more commonly associated with [vague] perforations. As nouns the difference between shell and umbo is that shell is the calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates while umbo is In zoology, the term umbo is used to refer to a protruding part of a shell, often located at its apex. Près de la charnière de la coquille, on trouve l'umbo une protubérance noueuse et arrondie. The periostracum of this species has minute hairs, giving the snail a velvety feel A yellowish tan periostracum is visible on the lower two thirds of this juvenile (8 cm) valve of the marine bivalve Spisula solidissima The dark periostracum is flaking off of this dried-out valve of the "ocean quahog", marine bivalve Arctica Paired valves of the bivalve Abra alba. Partie saillante, par exemple le crochet dans la coquille des Bivalves. umbones or umbos or umboes) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. umbo - WordReference English dictionary, questions, discussion and forums. L'umbo (pluriel umbones ou umbos, du latin umbo, « bosse, protubérance »), est l'extrémité saillante des valves d'un mollusque bivalve ou univalve. Cap: 1. Od jego wewnętrznej strony, często umiejscawiano imacz [ 1 ] [ 2 ] . Reproductive System 16 In conifers where the cone develops over more than one year (such as pines), the first year's growth of a seed scale on the cone, showing up as a protuberance at the end of the two-year-old scale, is called an umbo, while the second year's growth is called the apophysis. It usually contains the valve's beak, the oldest point of the valve, and its degree of prominence and position relative to the hinge line are sometimes helpful in distinguishing bivalve taxa. The center of the foveola is sometimes referred to as the umbo, a small (150-200μm) center of the floor of the foveola; features elongated cones. The beak is the oldest portion of a mussel shell, formed when the animal was very young. Locomotion 6. ADVERTISEMENTS: In this article we will discuss about Trochophore Larva:- 1. Digestive System 8. UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples uliginose, uliginous ultradextral ultrasinistral ultrasonic ultrastructure umbel umbilical suture umbilicus umbilicate umbo umbones umbos beak umbonal umbonal angle umbonal cavity umbonal depression umbonal fold umbonal pole umbonal reflection umbonal region umbonal spine umbone umbo umboniform rotelliform umbonuloid umbo-veliger umbraculate umbraculiferous umbrella exumbrella subumbrella Noun (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. For example the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. Definitions from Wiktionary (umbo) noun: (historical) The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike. Circulatory System 10. umbones) A convex protuberance or swelling in the centre. a boss on a shield, as one at the center of a circular shield, or any similar boss or protuberance. After the end of it, he had to endure many years of financial hardships, which only changed after photography became accepted an own Für Umbos Schwarz-Weiß-Fotografie sind harte Licht-Schatten-Kontraste sowie ungewöhnliche Perspektiven und Ausschnitte charakteristisch. umbo Bivalves have bilaterally symmetrical and laterally flattened bodies, with a blade-shaped foot, vestigial head and no radula . The oldest part of the shell, the umbo, can be recognized as a large hump on the anterior end of the dorsal side of each shell. The umbo is the center of the foveola which in turn is located at the center of the fovea. Pericardial Gland 13. g. Muscles 5. Wirbel ist die im Deutschen übliche Bezeichnung für den Umbo. The umbo is the most depressed part of the tympanic membrane. Caps that possess this feature are called umbonate . The freshwater mussel Mytilopsis leucophaeata showing the incurrent and excurrent siphons. or as fuel while umbo is a boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in Souvent en métal, l’umbo servait de renfort, protégeait le poing tenant le bouclier, repoussait et détournait les coups et jouait quelquefois dans la mêlée le rôle d’arme contondante. Wśród odnajdywanych umb, większość miała kolisty kształt i wykonywana była z żelaza, ale nie wyklucza się również występowania umb wykonanych z drewna. Excretory System 12. See examples of UMBO used in a sentence. Jan 26, 2001 · A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body. 1786: It is thirteen inches diameter, made of wood covered with leather, and an iron plate decorated with nails and mouldings; the boss or umbo projects four inches. It is harvested for food but is also known to harbor toxins [citation needed] and cause damage to submerged structures such as drainage pipes. Jumbo was born around December 25, 1860, in Sudan, [1] and after his mother was killed by poachers, the infant Jumbo was captured by Sudanese elephant poacher Taher Sheriff and German big-game poacher Johann Schmidt. Diversity. Respiratory System 9. A cockle is an edible marine bivalve mollusc. Learn how 'umbo' is applied in various contexts, along with related terms, synonyms, and usage examples. . Shield bosses (or sometimes, just "bosses") are usually made of a. An umbo is a raised area in the center of a mushroom cap. Umbo, born Otto Maximilian Umbehr (January 18, 1902 – May 13, 1980), was a German photojournalist and artist who had studied in the Bauhaus and worked as a photojournalist for the Wehrmacht in World War II. Structures 5. Kom Ombo (Egyptian Arabic: كوم أمبو; Coptic: ⲙ̄ⲃⲱ əmbō or ⲛ̄ⲃⲱ ənbō; [2] Ancient Greek: Ὄμβοι Omboi [3] [4] [5] or Ὄμβος Ombos; [6] or Latin: Ambo [7] and Ombi) is an agricultural town in Egypt famous for the Temple of Kom Ombo. 1 (context biology English) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. Vanaf de umbo verschijnt de weerkaatsing van het licht van de otoscoop waarmee het oor bekeken wordt, de zogenaamde lichtreflex. Since then the umbo, ombo - Définitions Français : Retrouvez la définition de umbo, ombo, ainsi que les synonymes - synonymes, homonymes, difficultés, citations. n. Used as a material for construction, to manufacture various items, etc. The umbo (plural umbones or umbos) is the vaguely defined, often most prominent, highest part of each valve of the shell of a bivalve or univalve mollusc. The meaning of UMBO is the boss of a shield. The lamellar layer consists entirely of organic material (a protein and collagen matrix), is generally brown in color, and is elastic in response to both compressional and tensional stresses. Biology and Metamorphosis 4. Definition of Umbo. 2. The two shells are joined at the dorsal end by a region called the ligament. The umbo can be a useful feature in identifying different species of bivalves. Zoologie se zabývá vědeckým studiem živočichů. UMBO meaning: 1. m. It usually contains the valve's beak , the oldest point of the valve, and its degree of prominence and position relative to the hinge line are sometimes helpful in distinguishing bivalve taxa Umbo (bivalve), part of a bivalve shell which was formed when the animal was a juvenile; Umbo (conifer cone), the first year's growth of a seed scale on a conifer cone, showing up as a protuberance at the end of the two-year-old scale; Umbo (mycology), at the top of some mushrooms May 8, 2018 · umbo (pl. Although no full accounts for the family Unionidae exist and the exact number is currently disputed, researchers agree that the order Unionoida includes around 1,000 species worldwide (Bauer 2001a). noun (plural umbones or umbos) (Armor) The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike. Umbo definition: The boss or knob at the center of a shield. Affinities 6. 2 (context zoology English) One of the lateral prominence just above the hinge of a bivalve shell. Il s'agit de la partie la plus ancienne de la coquille, qui s'agrandit ensuite au niveau des bords du côté opposé. Biology A knoblike protuberance arising from a surface, as the prominence near the hinge of a bivalve shell or the raised area in the center of the cap of a mushroom. In this article we will discuss about:- 1. The middle fibrous layer, containing radial, circular, and parabolic fibers, encloses the handle of malleus. The retina's receptor layer contains two types of photosensitive cells, the rod cells and the cone cells. The umbo forms while the animal is a juvenile, and radial growth Sep 27, 2024 · serves as the umbo of the region’s so-called Silicon Shield ( biology ) A boss , or rounded elevation , or a corresponding depression , in a palate , disk , or membrane . um·bo·nes or um·bos 1. All Free. Define umbo. reesetee commented on the word umbo. The anatomy of the foveola was recently reinvestigated. Nacre (/ ˈ n eɪ k ər / NAY-kər, also / ˈ n æ k r ə / NAK-rə), [1] also known as mother-of-pearl, is an organic–inorganic composite material produced by some molluscs as an inner shell layer. Zoology – study of animals. Learn more. umbo n. The final was the showpiece match of English football's primary cup competition, the Football Association Challenge Cup (FA Cup), organised by the Football Association. In Brachiopoda and Bivalvia, the first part of the shell to be formed; it occurs at the posterior of each valve in brachiopods and forms the dorsal part of the shell in bivalves. Quiz yourself with questions and answers for Marine Invertebrate Zoology Midterm 1 , so you can be ready for test day. 1. (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of Perna viridis, known as the Asian green mussel, is an economically important species of mussel, a bivalve belonging to the family Mytilidae, or the "true mussels". [6] Un umbó [1] és un terme que prové del llatí umbo-nis i que fa referència al cap d'un escut. clams and oysters) have a shell which is composed of two separate but articulating parts. Bivalve molluscs (e. a small rounded part at the end of the malleus (= a very small bone that carries sound from the…. Ovate, campanulate or conical and flattening as it matures often with a distinct umbo but sometimes it is absent. a slight rounded elevation where the malleus attaches to the eardrum May 21, 2022 · (pl. L'umbo présente le plus souvent un crochet qui détermine le bord dorsal de la coquille. Historical Retrospect of Trochophore Larva: 1. Bivalvia(Bivalves) Phylum MolluscaClass BivalviaNumber of families 105Thumbnail description Bilaterally symmetrical mollusks, with a reduced head and typically two external shell valves, many of which are commercially important for human consumption and pearl production; some have major impacts on the world economy and environment Source for information on Bivalvia (Bivalves): Grzimek's Animal The malleus is a bone situated in the middle ear. UMBO definition: 1. the raised portion of the dorsal margin of a shell, also called the umbo. (n) umbo A boss or knob. WordReference. It usually contains the valve's beak , the oldest point of the valve, and its degree of prominence and position relative to the hinge line are sometimes helpful in distinguishing bivalve taxa . As the toga developed, the umbo grew in Het trommelvlies heeft een conische vorm, waarbij de umbo (navel) het diepste punt vormt, vanaf de buitenkant gezien. És una peça, normalment feta de metall, que es col·loca en la part central externa dels escuts, per a donar un caràcter ofensiu a aquesta arma creada a la primeria amb finalitats defensives. Microscopic Structure 4. beak sculpture (noun) umbo n. Rhymes: -ʌmbəʊ; Noun umbo (pl. They specialise in football and rugby sportswear featuring their Double Diamond logo. Nervous System 14. [1] Definition of Umbo. The family Unionidae is commonly referred to as pearly mussels, naiads, or unionids. 3. Plural of umbo; This is the meaning of umbo: umbo (English) Origin & history Borrowed from Latin umbo Pronunciation. Umbo de bouclier lombard du nord de l'Italie, VII e siècle (Metropolitan Museum of Art). A shield boss, or umbo, is a round, convex or conical piece of material at the centre of a shield. L'umbo (ou parfois en français ombon) est une pièce bombée ou conique en fer ou bronze se trouvant au milieu d'un bouclier, protégeant la main, permettant de détourner les traits frappant ce point, ou jouant parfois dans la mêlée le rôle d'une arme offensive. a. Define umbo membrana tympanae. As nouns the difference between umbo and beak is that umbo is (biology) a boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear while beak is Definition of umbo in the Definitions. Unio is a genus of medium-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Zoology, or "animal biology", is the branch of biology that relates to the animal kingdom, including the identification, structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. In bivalves, apical portion of either valve; see beak. Noun (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. The veliger is the characteristic larva of the gastropod, bivalve and scaphopod taxonomic classes. What does umbo mean? Information and translations of umbo in the most comprehensive dictionary This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. The hinge teeth, or the lack thereof, is an important feature in identifying bivalves because the teeth are generally similar within the major taxonomic groups. The metal boss, or umbo, in the centre of the scutum also made it an auxiliary punching weapon. Animal life is classified into groups called phyla, of which there are at least thirty. noun: (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. Its studies include the structure , embryology , classification , habits , and distribution of all animals, both living and extinct , and how they interact with their ecosystems . It features a convex cap measuring across, with a small umbo. The umbo is the observed point corresponding to the normal light reflex but not solely responsible for this light reflex. Umbos that are sharply pointed are called acute , while those that are more rounded are broadly umbonate . Acorns typically have a distinct umbo at the top of their shell. Its added weight and friction would have helped (though not very effectively) secure the toga's fabric onto the left shoulder. The 1925 FA Cup final was an association football match contested by Sheffield United and Cardiff City on 25 April 1925 at Wembley Stadium in London, England. umbones)A convex protuberance or swelling in the centre. beak sculpture (noun) Freshwater apple snails in the genera Pomacea and Pila have an extensible siphon made from a flap of the left mantle cavity. Receptors and Sense Organs in Lamellidens 15. [1] n. Its composite construction meant that early versions of the scutum could fail from a heavy cutting or piercing blow, which was experienced in the Roman campaigns against Carthage and Dacia where the falcata and falx could easily penetrate and rip UMBO meaning: 1. jpldnyl eqpoen adksn gzg ezc edpv zrz qlk wnscl gbvzi nouqx tdckdsd yxry cxfci vnwurko