a large portion of the brain, serving to coordinate voluntary movements, posture, and balance in humans, being in back of and below the cerebrum and consisting of two lateral lobes and a central lobe.
noun (pl) -lums, -la (-lə)
one of the major divisions of the vertebrate brain, situated in man above the medulla oblongata and beneath the cerebrum, whose function is coordination of voluntary movements and maintenance of bodily equilibrium
1560s, from Latin cerebellum “a small brain,” diminutive of cerebrum “brain” (see cerebral).
cerebellum cer·e·bel·lum (sěr’ə-běl’əm)
n. pl. cer·e·bel·lums or cer·e·bel·la (-běl’ə)
The trilobed structure of the brain, lying posterior to the pons and medulla oblongata and inferior to the occipital lobes of the cerebral hemispheres, responsible for the regulation and coordination of complex voluntary muscular movement and the maintenance of posture and balance.
cer’e·bel’lar (-běl’ər) adj.
Plural cerebellums or cerebella
The part of the vertebrate brain that is located below the cerebrum at the rear of the skull and that coordinates balance and muscle activity. In mammals, the cerebellum is made up of two connecting hemispheres that consist of a core of white matter surrounded by gray matter.
The part of the brain that helps control muscle coordination.
- Cerebellar artery
cerebellar artery n. An artery with origin in the basilar artery, with distribution to the lateral lobes of the cerebellum, and with anastomosis to the posterior inferior cerebellar artery; anterior inferior cerebellar arterty. An artery with origin in the vertebral artery, with distribution to the medulla, choroid plexus, and cerebellum, and with anastomoses to the […]
- Cerebellar cortex
cerebellar cortex n. The thin gray surface layer of the cerebellum, consisting of an outer molecular layer and an inner granular layer.
- Cerebellar fissure
cerebellar fissure n. Any of the deep furrows between the lobules of the cerebellum.
- Cerebellar gait
cerebellar gait n. A staggering gait, often with a tendency to fall.