calamus scriptorius

(redirected from Arantius ventricle)

cal·a·mus scrip·to·'ri·us

inferior part of the rhomboid fossa; the narrow lower end of the fourth ventricle between the two clavae.
Synonym(s): Arantius ventricle
[L. writing pen]

cal·a·mus scrip·to·ri·us

(kal'ă-mŭs skrip-tō'rē-ŭs)
Inferior part of the rhomboid fossa; the narrow lower end of the fourth ventricle between the two clavae.
[L. writing pen]

Arantius,

(Aranzio), Giulio C., Italian anatomist and physician, 1530-1589.
Arantius ligament - a thin fibrous cord, lying in the fissure of the ligamentum venosum; the remains of the ductus venosus of the fetus. Synonym(s): ligamentum venosum
Arantius nodule - a nodule at the center of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta.Synonym(s): corpus arantii; nodule of semilunar valve
Arantius ventricle - inferior part of the rhomboid fossa. Synonym(s): calamus scriptorius
corpus arantii - Synonym(s): Arantius nodule
ductus venosus arantii - rarely used term for ductus venosus.

calamus

in the shape of a reed or pen.

calamus scriptorius
reed-shaped portion of the floor of the fourth ventricle of the brain situated between the restiform bodies.