| insula | 1. An oval region of the cerebral cortex overlying the extreme capsule, lateral to the lenticular nucleus, buried in the depth of the fissura lateralis cerebri (sylvian fissure). Synonym: insular area, insular cortex, island of Reil. Synonym: island. 3. Any circumscribed body or patch on the skin. Origin: L. Island (05 Mar 2000) |
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| insular | Relating to any insula, especially the island of Reil. (05 Mar 2000) |
| insular area | 1. An oval region of the cerebral cortex overlying the extreme capsule, lateral to the lenticular nucleus, buried in the depth of the fissura lateralis cerebri (sylvian fissure). Synonym: insular area, insular cortex, island of Reil. Synonym: island. 3. Any circumscribed body or patch on the skin. Origin: L. Island (05 Mar 2000) |
| insular arteries | Branches from the insular part of the middle cerebral artery distributed to the cortex of the insula. Synonym: arteriae insulares. (05 Mar 2000) |
| insular cortex | 1. An oval region of the cerebral cortex overlying the extreme capsule, lateral to the lenticular nucleus, buried in the depth of the fissura lateralis cerebri (sylvian fissure). Synonym: insular area, insular cortex, island of Reil. Synonym: island. 3. Any circumscribed body or patch on the skin. Origin: L. Island (05 Mar 2000) |
| insular gyri | The short gyri of insula and long gyrus of insula. Synonym: gyri insulae. (05 Mar 2000) |
| insular hypothesis | An obsolete theory of the origin of diabetes mellitus from destruction or loss of function of the islets of Langerhans in the pancreas. (05 Mar 2000) |
| insular part | insular part |
| insular part of middle cerebral artery | insular part of middle cerebral artery |
| insular sclerosis | <neurology> Neurodegenerative disease characterised by the gradual accumulation of focal plaques of demyelination particularly in the periventricular areas of the brain. Peripheral nerves are not affected. Onset usually in 3rd or 4th decade with intermittent progression over an extended period. Cause still uncertain. (18 Nov 1997) |
| insular veins | Veins draining the cortex of the insula, tributaries to the deep middle cerebral vein. Synonym: insular veins. (05 Mar 2000) |
| insulate | 1. To make an island of. 2. To place in a detached situation, or in a state having no communication with surrounding objects; to isolate; to separate. 3. <physics> To prevent the transfer o electricity or heat to or from (bodies) by the interposition of nonconductors. <physics> Insulating stool, a stool with legs of glass or some other nonconductor of electricity, used for insulating a person or any object placed upon it. Origin: L. Insulatus insulated, fr. Insula island. See Isle, and cf. Isolate. Source: Websters Dictionary (01 Mar 1998) |
| insulated | 1. Standing by itself; not being contiguous to other bodies; separated; unconnected; isolated; as, an insulated house or column. "The special and insulated situation of the Jews." (De Quincey) 2. <physics> Separated from other bodies by means of nonconductors of heat or electricity. 3. <astronomy> Situated at so great a distance as to be beyond the effect of gravitation; said of stars supposed to be so far apart that the affect of their mutual attraction is insensible. Insulated wire, wire wound with silk, or covered with other nonconducting material, for electrical use. Source: Websters Dictionary (01 Mar 1998) |
| insulation | 1. The act of insulating, or the state of being insulated; detachment from other objects; isolation. 2. <physics> The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity or of heat; also, the state of a body so separated. Source: Websters Dictionary (01 Mar 1998) |
| insulator | 1. One who, or that which, insulates. 2. <physics> The substance or body that insulates; a nonconductor. Source: Websters Dictionary (01 Mar 1998) |
| circular sulcus of insula | A saemicircular fissure demarcating the insula from the opercula above, below, and behind. Synonym: sulcus circularis insulae, circular sulcus of Reil, limiting sulcus of Reil. (05 Mar 2000) |
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| Haller's insula | A doubling of the thoracic duct for part of its course through the thorax. Synonym: Haller's annulus. (05 Mar 2000) |
| short gyri of insula | Several short, radiating gyri converging toward the base of the insula, composing the anterior two-thirds of the insular cortex. Synonym: gyri breves insulae. (05 Mar 2000) |
| long gyrus of insula | The most posterior and longest of the slender straight gyri that compose the insula. Synonym: gyrus longus insulae. (05 Mar 2000) |