furcula

(redirected from furculae)
Also found in: Dictionary, Thesaurus, Encyclopedia.

fur·cu·la

(fŭr'kyū-lă),
1. The fused clavicles, which form the V-shaped bone (wishbone) of the bird's skeleton.
2. In the embryo, an inverted U-shaped elevation that appears on the ventral wall of the pharynx, being formed by the two linear ridges and the caudal part of the hypopharyngeal eminence; the depression enclosed by the U shape is the laryngotracheal groove.
[L. a forked prop, dim. of furca, a fork]

furcula

(fûr′kyə-lə)
n. pl. furcu·lae (-lē′) Zoology
A forked part or bone, such as the wishbone of a bird. Also called fourchette.

fur′cu·lar adv.

furcula

  1. the wishbone (clavicle) of birds.
  2. the forked springing organ of COLLEMBOLA.
References in periodicals archive ?
The supra-anal plate (Figs 22, 31 vs 28, 31) and furculae differ as follows: in N.
The supra-anal plate (Figs 22, 31) is triangular, surface with a long, shallow median sulcus extending beyond midlength; furculae absent.
The supra-anal plate (Figs 28, 31 vs 22, 31) and furculae differ as follows: in N davidi n.
Furculae represented by two digitiform, robust, projections, longer than broad, with rounded tip.
Furculae represented by two small, digitiform, thin, projections longer than broad, with pointed tip.
Furculae represented by two, very small, digitiform, projections.
25): furculae triangular, acute, placed dose together; epiproctsubtriangular, with curved sides; cerci conical, tips incurved, reaching end of epiproct.
26) with very acute triangular furculae, placed close together, subtriangular epiproct, cerci simple, acute, slightly outcurved at apices.
furculae placed far apart, and epiproct with straight sides bent