interpeduncular fossa in·ter·pe·dun·cu·lar fossa (ĭn’tər-pĭ-dŭng’kyə-lər)
A deep depression on the inferior surface of the mesencephalon between the two cerebral peduncles.
- Interpeduncular nucleus
interpeduncular nucleus n. A median ovoid cell group at the base of the midbrain tegmentum between the left and right cerebral peduncles, receiving the retroflex fasciculus from the habenula and projecting to the raphe nuclei and the central gray substance of the midbrain.
[in-ter-pel-uh nt] /ˌɪn tərˈpɛl ənt/ noun 1. a person who interpellates; interpellator. /ˌɪntəˈpɛlənt/ adjective 1. causing an interpellation noun 2. a deputy who interpellates
[in-ter-pel-eyt, in-tur-puh-leyt] /ˌɪn tərˈpɛl eɪt, ɪnˈtɜr pəˌleɪt/ verb (used with object), interpellated, interpellating. 1. to call formally upon (a minister or member of a government) in . /ɪnˈtɜːpɛˌleɪt/ verb 1. (transitive) (parliamentary procedure) (in European legislatures) to question (a member of the government) on a point of government policy, often interrupting the business of the […]
[in-ter-puh-ley-shuh n, in-tur-puh-] /ˌɪn tər pəˈleɪ ʃən, ɪnˌtɜr pə-/ noun 1. a procedure in some legislative bodies of asking a government official to explain an act or policy, sometimes leading, in parliamentary government, to a vote of confidence or a change of government. n. late 15c., “an appeal,” from Latin interpellationem, noun of action from […]