cerebellum

Definitions

  • WordNet 3.6
    • n cerebellum a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation
    • n Cerebellum (Anat) The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. See Brain.
    • ***
Century Dictionary and Cyclopedia
    • n cerebellum The little brain or hind-brain of a vertebrate animal; a lobe of the brain developed on the dorsal side of the cerebrospinal axis, between the corpora quadrigemina in front and the medulla oblongata behind, and forming part of the roof of the fourth ventricle. The pons Varolii is the corresponding ventral portion of the cerebrospinal axis, and these two parts together are sometimes called the epencephalon. In man the cerebellum is a well-developed mass, having an average weight of about 5½ ounces, occupying the inferior occipital fossa, and separated from the posterior portions of the cerebral hemispheres above by the tentorium. A median portion or vermis and two lateral hemispheres are distinguished, and these are divided by transverse clefts into thin, closely packed laminæ. The cerebellum has three pairs of peduncles by which it is connected with the rest of the brain: the superior peduncles, which join it with the cerebrum; the middle peduncles, which pass down on either side to form the pons Varolii; and the Inferior peduncles or restiform bodies, which connect it with the medulla oblongata. The surface of the laminæ is of gray matter, while the interior is white, so that a section at right angles to the lamellæ presents a foliaceous appearance, which has received the name of arbor-vitæ. There are other masses of gray matter within, namely, the corpus dentatum, nucleus emboliformis, nucleus globosus, and nucleus fastigii. (See corpus and nucleus.) The cerebellum seems to he principally concerned with the coördination of voluntary movements. See cuts under brain and corpus.
    • n cerebellum In Insecta, the subesophageal ganglion, situated in the lower part of the head, and connected with the supra-esophageal ganglion or cerebrum by two nerve-chords surrounding the gullet
    • ***
Chambers's Twentieth Century Dictionary
    • n Cerebellum the hinder and lower part of the brain
    • ***

Etymology

Webster's Revised Unabridged Dictionary
L., dim. of cerebrum, brain
Chambers's Twentieth Century Dictionary
L. cerebrum, the brain; prob. cog. with Gr. kara, the head, kranion, the cranium.

Usage

In literature:

Behind the cerebellum is the superior end of the spinal cord.
"Buchanan's Journal of Man, June 1887" by Various
Cerebrum or cerebellum, papa-sy?
"The Ghost" by William. D. O'Connor
The mastoid process, the bony prominence behind the ear is a projection exterior to the cerebellum.
"Buchanan's Journal of Man, July 1887" by Various
The cerebral tissue is greatly thinned out, but the cerebellum and cranial nerves usually remain unaffected.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
The larger, upper part the cerebrum, the smaller mass at the back the cerebellum.
"The Pygmy Planet" by John Stewart Williamson
The Idens, in their little way, were Tories, too, right to the centre of the cerebellum; the Flammas were hot Republicans.
"Amaryllis at the Fair" by Richard Jefferies
The CEREBELLUM is about seven times smaller than the cerebrum.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
The phrenologists taught that the cerebellum was the center for the sexual instinct, but there is no evidence in favor of this guess.
"Psychology" by Robert S. Woodworth
The brain, the cerebellum, the spinal marrow?
"A Problem in Modern Ethics" by John Addington Symonds
The cerebellum consists of both grey and white matter.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4" by Various
Like it, also, the surface of the cerebellum is composed of gray matter, and its interior is chiefly white matter.
"A Treatise on Physiology and Hygiene" by Joseph Chrisman Hutchison
In comparison with reptiles the cerebellum of birds shows high development.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various
When the medullary substance of the cerebrum and cerebellum was cut into, there appeared a great number of bloody points.
"Observations on Madness and Melancholy" by John Haslam
The cerebellum is in all cases prominent to the rear, presenting the laminated appearance always distinctive of the organ.
"The Relations of Science and Religion" by Henry Calderwood
When the human cerebellum is cut vertically, a tree-like appearance seen receives this name.
"Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)" by Various
In the brain the hemispheres do not cover the cerebellum.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
In the brain the smooth hemispheres are so short as to leave the cerebellum and sometimes even the corpora quadrigemina exposed.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 6" by Various
The actual performance of the action is then taken up by the cerebellum, medulla, and spinal ganglia.
"A Civic Biology" by George William Hunter
The cerebellum is much larger than in the majority of Ganoids, and resembles in all essential features the cerebellum of Teleostei.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour
Next overlapping this is the cerebellum, always single.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg
***

In news:

The cerebellum is a part of the brain that is involved in coordination of movement.
Chase's Challenge: How to Help the Boy Born Without A Cerebellum .
Cerebellum, Basal Ganglia, Olfactory System.
What’s the deal with these visions of Brandon Bender that keeping prancin’ round my cerebellum.
Your brain has three main components: the cerebrum (which consists of the left and right cerebral hemispheres), the cerebellum and the brain stem.
Pair high-cortical involvement tasks -- those that involve judgment -- with routine, physical tasks that the cerebellum, the brain's autopilot, can handle.
CEREBELLUM'S FRONT AND BACK can be combined into single flat maps (shown here in Euclidean and hyperbolic views) to reveal details that are normally hidden in the brain's folds.
Have students use a map of the brain and brain stem to locate these regions: frontal lobe, parietal lobe, occipital lobe, temporal lobe, cerebellum, and brain stem.
***

In science:

Drawing of the cells of the chick cerebellum, from “Estructura de los centros nerviosos de las aves”, Madrid, 1905.
Interplay between Network Topology and Dynamics in Neural Systems
Figure 2.2: Drawing of the cells of the chick cerebellum, from “Estructura de los centros nerviosos de las aves”, Madrid, 1905.
Interplay between Network Topology and Dynamics in Neural Systems
The NUSE and RLE boxplots (Fig. H1) for the cerebellum dataset display an eyecatching pattern: They show systematically much better quality in Lab M then in Lab I.
Quality assessment for short oligonucleotide microarray data
We are looking at HU95 chips from two sample cohorts (a total of about 40 sub jects) in each of the brain regions anterior cingulate cortex, cerebellum, and dorsolateral prefrontal cortex.
Quality assessment for short oligonucleotide microarray data
While for cerebellum the quality in lab M is still better than in the replicate in one of the other labs, for the other two brain regions the ranking is reversed. Effects of a slight underexposure in lab M may now have become more visible.
Quality assessment for short oligonucleotide microarray data
In cerebellum, lab M still produced slightly higher quality hybridizations than lab I, while the ranking is reversed and more pronounced in anterior cingulate cortex.
Quality assessment for short oligonucleotide microarray data
***