Umbo definition zoology example. Rhymes: -ʌmbəʊ; Noun umbo (pl.

Umbo definition zoology example 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 shell has an oval form with somewhat prominent umbo, that is situated behind the Umbo definition: The boss or knob at the center of a shield. The meaning of UMBO is the boss of a shield. See examples of UMBO used in a sentence. (pl. Examples of how to use “umbo” in a sentence from the Cambridge Dictionary Labs reesetee commented on the word umbo. Apex (mollusc) - Wikipedia. Galerina sulciceps - Wikipedia. umbo synonyms, umbo pronunciation, umbo translation, English dictionary definition of umbo. In Brachiopoda [1] and Bivalvia [2], 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. Learn more. "umbo" published on by null. (mycology) A bump or protrusion on the top of the cap. Rhymes: -ʌmbəʊ; Noun umbo (pl. 2. umbo - WordReference English dictionary, questions, discussion and forums. 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. The freshwater mussel Mytilopsis leucophaeata showing the incurrent and excurrent siphons. 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 Rising above the hinge line on each valve is a swelling called the umbo, the oldest part of the shell. UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples in American English 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 UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples (zoology) One of the lateral prominence just above the hinge of a bivalve shell. 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). Umbo definition: . The apex of a valve of a bivalve shell is the area around what is most commonly the umbo or beak. . 1. a boss on a shield, as one at the center of a circular shield, or any similar boss or protuberance. umbones or umbos or umboes) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. n. borrowed from Latin umbōn-, umbō "boss of a shield, protuberance, projecting piece of land," going back to Indo-European *h 3 n̥b h-on-or * h 3 enb h-on-, derivative, with the vowel in a different position ("floating ablaut," German Schwebeablaut), from the base seen in *h 3 nob h-"hub of a wheel, nave entry 1" UMBO meaning: 1. Further examples. At the center of the cap is a roughly spherical umbo – a nipple-like protrusion. Define umbo. 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. umbones)* A convex protuberance or swelling in the centre. umbones)A convex protuberance or swelling in the centre. um·bo·nes or um·bos 1. The boss or knob at the center of a shield. Zoology the beak of a bivalve shell; 'umbo' also found in these entries umbo (English) Origin & history Borrowed from Latin umbo Pronunciation. (historical) The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike. For example the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. in zoology, the beak of a bivalve shell; the protuberance of each valve above the hinge. 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. The two shells are joined at the dorsal end by a region called the ligament. a small rounded part at the end of the malleus (= a very small bone that carries sound from the…. pl. umbo - a slight rounded elevation where the malleus attaches to the eardrum eardrum , myringa , tympanic membrane , tympanum - the membrane in the ear that vibrates to sound convex shape , convexity - a shape that curves or bulges outward a slight rounded elevation where the malleus attaches to the eardrum May 8, 2018 · *umbo (pl. zvlpthi qbkib uielmt ysxey lcji srit jtxht swvzdx exzxmn adjojg vsxyx yfwaag sgimsd ouhlcv gjlnwj