crus cerebri (redirected from Cerebral crus)

crus (krus) pl. cru´ra   [L.]

1. leg (1).

2. a leglike part.

---

crus ce´rebri  a structure comprising fiber tracts descending from the cerebral cortex to form the longitudinal fascicles of the pons.

crus of clitoris  the continuation of each corpus cavernosum of the clitoris, diverging posteriorly to be attached to the pubic arch.

crura of diaphragm  two fibromuscular bands that arise from the lumbar vertebrae and insert into the central tendon of the diaphragm.

crus of fornix  either of two flattened bands of white substance that unite to form the body of the fornix.

crus of penis  the continuation of each corpus cavernosum of the penis, diverging posteriorly to be attached to the pubic arch.

---

crus cerebri

[ser′əbrī, -brē]

Etymology: L, crus + cerebrum, brain

either of the two cerebral peduncles, composed of the descending fiber tracts passing from the cerebral cortex to form the longitudinal fascicles of the pons. Also called basis pedunculi cerebri.

---

crus

pl. crura [L.]

1. shaped like the human leg.

2. a leglike part. Called also branch, e.g. the branches or crura of the atrioventricular bundle.

---

crus cerebri

the ventral part of the cerebral peduncles comprising fiber tracts descending from the cerebral cortex to form the longitudinal fascicles of the pons.

clitoridal crus

the continuation of the corpora cavernosa of the clitoris, diverging posteriorly to be attached to the sciatic arch.

diaphragmatic crus

two fibromuscular bands that arise from the lumbar vertebrae and insert into the central tendon of the diaphragm.

fornical crus

two flattened bands of white matter that unite to form the body of the fornix of the cerebrum.

penile crus

the continuation of each corpus cavernosum of the penis, diverging caudally to be attached to the sciatic arch.