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单词 corpus callosum
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corpus callosum


corpus cal·lo·sum

C0658000 (kə-lō′səm)n. pl. corpora cal·lo·sa (kə-lō′sə) The arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain.
[New Latin corpus callōsum : Latin corpus, body + Latin callōsum, neuter of callōsus, callous.]

corpus callosum

(kəˈləʊsəm) n, pl corpora callosa (kəˈləʊsə) (Anatomy) the band of white fibres that connects the cerebral hemispheres in mammals[New Latin, literally: callous body]

cor•pus cal•lo•sum

(ˈkɔr pəs kəˈloʊ səm)

n., pl. cor•po•ra cal•lo•sa (ˈkɔr pər ə kəˈloʊ sə) the thick band of transverse nerve fibers between the two halves of the cerebrum in placental mammals. [1700–10; < New Latin: literally, firm body]

corpus callosum

The band of nerve fibers joining both hemispheres of the cerebrum.
Thesaurus
Noun1.corpus callosum - a broad transverse nerve tract connecting the two cerebral hemispherescorpus callosum - a broad transverse nerve tract connecting the two cerebral hemispherescommissure - a bundle of nerve fibers passing from one side to the other of the brain or spinal cordforebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube
Translations
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corpus callosum


corpus callosum:

see brainbrain,
the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought. Anatomy and Function
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.

Corpus Callosum

 

in placental mammals and man, the aggregation of nerve fibers connecting the cerebral hemispheres.

The corpus callosum develops in the higher mammals from the commissure of the mantle (present in lung-fish, amphibians, reptiles, birds, and cloacal mammals) in connection with the strong development of the cerebral cortex. The fibers of the corpus callosum run mostly in a transverse direction, connecting and exchanging neural impulses between matching areas of the hemispheres. Therefore, both hemispheres together constitute a single unit. Fibers connecting different gyri in the two hemispheres also pass through the corpus callosum (for example, frontal with parietal or occipital). The fibers of the corpus callosum also send collaterals (associative fibers) to different parts of the same hemisphere.

corpus callosum

[′kȯr·pəs kə′lō·səm] (neuroscience) A band of nerve tissue connecting the cerebral hemispheres in humans and higher mammals.

corpus callosum


corpus

 [kor´pus] (pl. cor´pora) (L.) body.corpus al´bicans white fibrous tissue that replaces the regressing corpus luteum in the human ovary in the latter half of pregnancy, or soon after ovulation when pregnancy does not supervene.corpus amygdaloi´deum body" >amygdaloid body.cor´pora amyla´cea small hyaline masses of degenerate cells found in the prostate, neuroglia, and other sites.corpus callo´sum an arched mass of matter" >white matter in the depths of the fissure" >longitudinal fissure, made up of transverse fibers connecting the hemispheres" >cerebral hemispheres.corpus caverno´sum either of the two columns of erectile tissue forming the body of the penis or clitoris.corpus fimbria´tum a band of white matter bordering the lateral edge of the lower cornu of the lateral ventricle of the brain.corpus genicula´tum see geniculate bodies, lateral, and geniculate bodies, medial.corpus hemorrha´gicum 1. an ovarian follicle containing blood.2. a corpus luteum containing a blood clot.3. a blood clot formed in the cavity left by rupture of a graafian follicle.corpus lu´teum a yellow glandular mass in the ovary formed by an ovarian follicle that has matured and discharged its ovum; see also ovulation.corpus mammilla´re body" >mamillary body.cor´pora quadrige´mina four rounded eminences on the posterior surface of the mesencephalon.corpus spongio´sum pe´nis a column of erectile tissue forming the urethral surface of the penis, in which the urethra is found.corpus ster´ni body of sternum.corpus stria´tum a subcortical mass of matter" >gray matter and matter" >white matter in front of and lateral to the thalamus in each hemisphere" >cerebral hemisphere.corpus u´teri that part of the uterus above the isthmus and below the orifices of the fallopian tubes" >fallopian tubes.

cor·pus cal·lo·sum

[TA] the great commissural plate of nerve fibers interconnecting the cortical hemispheres (with the exception of most of the temporal lobes, which are interconnected by the anterior commissure). Lying at the floor of the longitudinal fissure, and covered on each side by the cingulate gyrus, it is arched from behind forward and is thicker at each extremity (splenium [TA] and genu [TA]) but thinner in its long central portion (truncus [TA]); it curves back underneath itself at the genu to form the rostrum [TA] of the corpus callosum. Synonym(s): commissure of cerebral hemispheres

corpus callosum

(kə-lō′səm)n. pl. corpora callosa (kə-lō′sə) The arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain.

cor·pus cal·lo·sum

(kōr'pŭs ka-lō'sŭm) [TA] The great commissural plate of nerve fibers interconnecting the cortical hemispheres (with the exception of most of the temporal lobes, which are interconnected by the anterior commissure). Lying at the floor of the longitudinal fissure, and covered on each side by the cingulate gyrus, it is arched from behind forward and is thick at each extremity (splenium and genu) but thinner in its long central portion (truncus); it curves back underneath itself at the genu to form the rostrum of the corpus callosum.

corpus callosum

The wide curved band of nerve fibres (white matter) that connects the two cerebral hemispheres.

corpus callosum

a band of nervous tissue connecting the cerebral hemispheres in the higher mammals.

corpus callosum 

Transverse white fibres connecting the two cerebral hemispheres. See commissure; stereoblindness.

cor·pus cal·lo·sum

(kōr'pŭs ka-lō'sŭm) [TA] The great commissural plate of nerve fibers interconnecting the cortical hemispheres.
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corpus callosum


Related to corpus callosum: thalamus, Anterior commissure, Corpus callosum agenesis
  • noun

Words related to corpus callosum

noun a broad transverse nerve tract connecting the two cerebral hemispheres

Related Words

  • commissure
  • forebrain
  • prosencephalon
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