- convolutions of cerebrum
- gyri cerebri.
Medical dictionary. 2011.
convolutions of cerebrum
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Cerebrum — Brain: Cerebrum Diagram depicting the main subdivisions of the embryonic vertebrate brain. Artery anterior cerebral, middle cerebral, poster … Wikipedia
cerebrum — /seuh ree breuhm, ser euh /, n., pl. cerebrums, cerebra / breuh/. Anat., Zool. 1. the anterior and largest part of the brain, consisting of two halves or hemispheres and serving to control voluntary movements and coordinate mental actions. 2. the … Universalium
gyrus — One of the prominent rounded elevations that form the cerebral hemispheres, each consisting of an exposed superficial portion and a portion hidden from view in the wall and floor of the sulcus. [L. fr. G. gyros, circle] angular g. [TA] a folded… … Medical dictionary
Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… … Medical dictionary
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
frontal gyrus — noun any of the convolutions of the outer surface of the frontal lobe of the cerebrum • Hypernyms: ↑gyrus, ↑convolution • Part Holonyms: ↑frontal lobe, ↑frontal cortex * * * noun see frontal convolution * * * A … Useful english dictionary
Myelinogenesis — The third (labeled CP for posterior centrale, BA 3,1,2, primary somatosensory cortex) and fourth (labeled CA for anterior centrale, BA 4, primary motor cortex) areas of the cerebral cortex to myelinate nissl stain parasaggital section of a 7… … Wikipedia
Lissencephaly — A brain malformation characterized by microcephaly and the lack of normal convolutions (folds) in the brain. Lissencephaly literally means smooth brain. It is caused by defective neuronal migration, a defect in the process in which nerve cells… … Medical dictionary
Cerebral cortex — The outer portion of the cerebrum, a key part of the brain, consisting of layers of nerve cells and the nerve pathways that connect them. The cerebral cortex is responsible for the processes of thought, perception and memory. Nerve cells in the… … Medical dictionary
Lamina — A plate or layer. For example, the lamina arcus vertebrae, usually just called the lamina, are plates of bone in each vertebral body. * * * SYN: plate (1). SEE ALSO: layer, stratum. [L] l. affixa [TA] that part of the medial ependymal wall of the … Medical dictionary
