Webster's Online Dictionary
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Definition: CALLOSUM

Part of Speech Definition
Noun 1. The great band commissural fibers which unites the two cerebral hemispheres.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Date "Callosum" was first used in popular English literature: sometime before 1749. (references)

Etymology:Callosum \Cal*lo"sum\, noun. [New Latin expression, from callosus callous, hard.]. (references)

Common Expressions: CALLOSUM

Expressions Definition
Agenesis of the corpus callosum Agenesis of the Corpus Callosum (ACC) is a rare birth defect (Congenital disorder) in humans in which there is a complete or partial absence of the Corpus callosum. It can appear in both males and females, though in females agenesis may be caused by Aicardi syndrome, a condition identified by the French neurologist Dr Jean Aicardi in 1965. Agenesis of the Corpus Callosum is not progressive and could cause death in only the most serious of cases. (references)
Corpus callosum 1: (k[a^]l*l[=o]"s[u^]m); pl. Corpora callosa (-s?) [NL., callous body] (Anat.), the great band of commissural fibers uniting the cerebral hemispheres. Source: Webster's Revised Unabridged Dictionary.
  2: A broad transverse nerve tract connecting the two cerebral hemispheres. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved.
Corpus callosum The corpus callosum is the largest white matter structure in the mammalian brain. It consists of mostly of contralateral axon projections. It appears as a wide, flat region just ventral (below) the cortex. It is missing in monotremes. (references)

Source: compiled by the editor from various references; see credits.

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Specialty Expressions: CALLOSUM

Expressions Domain Definition
Corpus callosum Geology A band of white neural tissue that joins the left and right hemispheres of the cerebrum. (references)
Corpus Callosum Health Broad plate of dense myelinated fibers that reciprocally interconnect regions of the cortex in all lobes with corresponding regions of the opposite hemisphere. The corpus callosum is located deep in the longitudinal fissure. (references)

Source: compiled by the editor from various references; see credits.

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Topics by Level of Interest: CALLOSUM

Topics sorted by level of Interest Level (1=low, 600=high)     Topics sorted Alphabetically Level (1=low, 600=high)
Corpus callosum 29     Agenesis of the corpus callosum 12
Agenesis of the corpus callosum 12     Corpus callosum 29
Tapetum of corpus callosum 9     Genu of the corpus callosum 7
Genu of the corpus callosum 7     Rostrum of corpus callosum 5
Rostrum of corpus callosum 5     Tapetum of corpus callosum 9

Source: the editor, created by/for EVE to gauge likely levels of human interest in linguistically triggered topics (compiled across various sources, such as Wikipedia and specialty expression glosses).

Translations: CALLOSUM

Language Translations (or nearest inflections or synonyms, in parentheses)
Chinese Simplified 胼胝体 (corpus callosum). Additional references: Chinese Simplified, China, Brunei, callosum. (volunteer & more translations)
Chinese Traditional 胼胝體 (callus, corpus callosum). Additional references: Chinese Traditional, China, Brunei, callosum. (volunteer & more translations)
Français calleux (callous, horny, callosum, corny). Additional references: Français, France, Algeria, callosum. (volunteer & more translations)
French calleux (callous, horny, callosum, corny). Additional references: French, France, Algeria, callosum. (volunteer & more translations)
Japanese 脳梁 (callosum, corpus callosum, callosal body). Additional references: Japanese, Japan, Taiwan, callosum. (volunteer & more translations)
Source: Eve, based on a combination of meta analysis and graph theory (for near and back translations). Top

Constructed Language Translations: CALLOSUM

Language Translations for “callosum” or closest synonym(s); back translations in parentheses.
Athag cathagallathagosathagum (callosum). Additional references: Athag, callosum. (volunteer)
Double Dutch cagallagosagum (callosum). Additional references: Double Dutch, callosum. (volunteer)
Leet (4|_|_¤5 (callosum). Additional references: Leet, callosum. (volunteer)
Oppish copalloposopum (callosum). Additional references: Oppish, callosum. (volunteer)
Pig Latin allosumcay (callosum). Additional references: Pig Latin, callosum. (volunteer)
Terran B calleux (callosum). Additional references: Terran B, callosum. (volunteer)
Ubbi Dubbi cuballubosubum (callosum). Additional references: Ubbi Dubbi, callosum. (volunteer)
Source: compiled by the editor. Top