Definition of Umbones. Meaning of Umbones. Synonyms of Umbones

Here you will find one or more explanations in English for the word Umbones. Also in the bottom left of the page several parts of wikipedia pages related to the word Umbones and, of course, Umbones synonyms and on the right images related to the word Umbones.

Definition of Umbones

Umbones
Umbo Um"bo, n.; pl. L. Umbones, E. Umbos. [L.] 1. The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike. 2. A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larv[ae] of echinoderms or in the tympanic membrane of the ear. 3. (Zo["o]l.) One of the lateral prominence just above the hinge of a bivalve shell.

Meaning of Umbones from wikipedia

- Look up umbo in Wiktionary, the free dictionary. Umbo may refer to: Umbo (eye), tiny depression in the center of the foveola corresponding to the foveal...
- line. In those bivalves where the umbones do not protrude, as is the case for example in some mussels, the umbones can nonetheless usually be readily...
- interlocking teeth on either side of the umbones, as in the arc clams. Dysodont; weak teeth near the umbones, as in the marine mussels. Isodont; lateral...
- very effective piece of armour. Parmae had handles and shield bosses (umbones). The parma was used by legionnaires in the early republican period of...
- grasp the nucleus, or next layer, more firmly. Crepido, margo or semita: raised footway, or sidewalk, on each side of the via. Umbones or edge-stones....
- either one or two rows of similar interlocking teeth on either side of the umbones, as is the case in the ark clams (Arcidae), the bittersweets (Glycymerididae)...
- Cerastoderma edule a) foot b) exhalant siphon c) branchial or inhalant siphon d) edge of mantle e) ligament f) umbones or beaks of the s****...
- s****" because species such as Arca have a large flat area between the umbones which, in an undamaged s****, somewhat resembles a deck, with the rest...
- ribs. The umbones are mostly broad and inflated; a few species have pointed umbones that are generally just dorsal of the midline. The umbones are prone...
- fuscous patches near the umbones, and covered with numerous granular points, which are finer and more crowded on the umbones, where the concentric striation...