corpus callosum

(redirected from Corpus callosums)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Corpus callosums: Corpus callosum agenesis

corpus cal·lo·sum

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

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.corpus callosum - a broad transverse nerve tract connecting the two cerebral hemispherescorpus callosum - a broad transverse nerve tract connecting the two cerebral hemispheres
commissure - a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
forebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube

cor·pus cal·lo·sum

n. L. corpus callosum, comisura mayor del cerebro.
References in periodicals archive ?
Repeated MRI examinations showed more extensive signal changes in the frontal lobes, parietal lobes, right temporal lobes, corpus callosums, basal ganglias, and brainstem, resulting in multiple patchy and strip hypointense on T1-weighted imaging, isointense T2-weighted imaging, and hyperintense FLAIR imaging [Figure 1]d with a relatively small edema.
Magnetic resonance imaging (MRI) of the cerebrum revealed the hyperintensity in T2-weighted and fluid-attenuated inversion recovery (FLAIR) images of the frontal lobe, parietal lobe, right temporal lobe, corpus callosum, and the periventricular cerebral white matter [Figure 1]a.
A significantly gad-enhancing lesion was found in the corpus callosum [Figure 2]b.