Akademik

Any beak-shaped structure. [L. a beak]

- r. corporis callosi [TA] SYN: r. of corpus callosum.

- r. of corpus callosum [TA] beak of the corpus callosum, the recurved portion of the corpus callosum passing backward from the genu to the anterior commissure. SYN: r. corporis callosi [TA].

- sphenoidal r. [TA] the anterior projecting part of the body of the sphenoid bone that articulates with the vomer. SYN: r. sphenoidale [TA], r. of the sphenoid bone.

- r. sphenoidale [TA] SYN: sphenoidal r..

- r. of the sphenoid bone SYN: sphenoidal r..

ros·trum 'räs-trəmalso 'rȯs- n, pl rostrums or ros·tra -trə a bodily part or process suggesting a bird's bill: as

a) the reflected anterior portion of the corpus callosum below the genu

b) the interior median spine of the body of the basisphenoid bone articulating with the vomer

n. (pl. rostra)

(in anatomy) a beaklike projection, such as that on the sphenoid bone.

• rostral adj.