The Ultimate Quiz On Cerebellum

White matter

On the superior surface, the deep primary fissure separates the relatively small anterior lobe from the much larger posterior lobe. On the underside, the conspicuous posterolateral fissure demarcates the location of small regions of the hemisphere (the flocculus) and vermis (the nodule), which together form the flocculonodular lobe.

The flocculonodular lobe is not one of the three cerebellar peduncles. The cerebellar peduncles are fiber bundles that connect the cerebellum to the brainstem, allowing for the transmission of information in both directions. The three cerebellar peduncles are the superior, middle, and inferior peduncles. The flocculonodular lobe, on the other hand, is a region of the cerebellum that is involved in balance and eye movement control, but it is not one of the peduncles.

Anatomically, the cerebellum is divided into anterior, posterior and flocculonodular lobes.

Cerebellar cortex

The vermis is a midline structure within the cerebellum that runs longitudinally, dividing it into two symmetrical hemispheres. It plays a crucial role in coordinating and integrating motor movements and balance.

The cerebellum constitutes the largest part of the hindbrain. (http://www.bartleby.com/107/187.html)

The cerebellum constitutes the largest part of the hindbrain. It lies behind the pons and medulla oblongata; between its central portion and these structures is the cavity of the fourth ventricle. (http://www.bartleby.com/107/187.html)

Some of these fissures are landmarks that are used to divide the cerebellum anatomically into three lobes.

Because of this fine-tuning function, damage to the cerebellum does not cause paralysis, but instead produces disorders in fine movement, equilibrium, posture, and motor learning.[2] (http://en.wikipedia.org/wiki/Cerebellum)

The surface of the cerebellum is highly convoluted, the folds, or folia, being oriented approximately transversely.
(http://www.neuroanatomy.wisc.edu/cere/text/P4/folia.htm)

The functions of the cerebellum are entirely motor and it operates at an unconscious level. It controls the maintenance of equilibrium (balance), influences posture and muscle tone, and coordinates movement.

The correct answer is "white matter". The cerebellum is a region in the brain that contains an inner core made up of white matter. White matter refers to the bundles of nerve fibers that are coated in myelin, a fatty substance that helps in the transmission of signals between different regions of the brain. These nerve fibers allow for communication and coordination of movements within the cerebellum and between the cerebellum and other parts of the brain.

Dentate nucleus

The arrow is pointing to the pons.

The cerebellum basically consists of an outer layer of grey matter called the cerebellar cortex.