Definition of Hypocleidium. Meaning of Hypocleidium. Synonyms of Hypocleidium

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

Definition of Hypocleidium

Hypocleidium
Hypocleidium Hy`po*clei"di*um, n.; pl. L. Hypocleida, E. Hypocleidiums. [NL., fr. Gr. ? under + ? a little key.] (Anat.) A median process on the furculum, or merrythought, of many birds, where it is connected with the sternum.

Meaning of Hypocleidium from wikipedia

- oviraptorids in having a midline keel on the anterior surface of the hypocleidium−a downwards directed projection at the center of the furcula. This bone...
- branches placed at an angle of 104°. It is V-shaped and possesses a small hypocleidium at the front. The arm as a whole is not especially developed in length...
- length. Tinamous have a proper semicircular furcula, with no trace of a hypocleidium. There is an acute angle between the sca**** and coracoid, as in all...
- fused into a scapulocoracoid; a boomeranged-shaped furcula without a hypocleidium; proximal margin of humerus concave centrally; deltopectoral crest large...
- Neornithes including a deeply keeled sternum, a narrow furcula with a short hypocleidium, and ulnar quill ****s that indicate increased aerial abilities. At least...
- and more basal groups. These include a robust furcula with a prominent hypocleidium, and (in Mengciusornis) teeth at the tip of the premaxilla. The cladogram...
- Archaeopteryx, was a simple curved bar lacking a pointed process at the back, a hypocleidium. The sternum was relatively broad and had a low keel which was raised...
- avialans more derived than Archaeopteryx, including the presence of a hypocleidium-bearing furcula, and a hypertrophied, carinate sternum. Chatterjee's...
- possession of an alula, a thumb feather that could serve as a nose vane. The hypocleidium of the wishbone is also well developed. Dalsätt, J.; Ericson, P. G. P...
- this is the other way round. The thin upper edges continue over the hypocleidium so that this protrusion has a cross-section like an inverted T. The fact...