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colliculus |
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colliculus /col·lic·u·lus/ (kah-lik´u-lus) pl. colli´culi [L.] a small elevation.
seminal colliculus , colliculus semina´lis verumontanum; a portion of the male urethral crest on which are the openings of the prostatic utricle and the ejaculatory ducts.
colliculus [kŏ-lik´u-lus] (pl. colli´culi) (L.) 1. a small elevation. 2. either of the two pairs of rounded eminences in the midbrain concerned with visual and auditory reflexes. seminal colliculus a prominent portion of the male urethral crest, on which are the opening of the prostatic utricle and, on either side of it, the orifices of the ejaculatory ducts; called also verumontanum.
colliculus pl. colliculi; a small elevation. caudal colliculus see midbrain colliculus (below). midbrain colliculus there are four colliculi in the tectum of the midbrain, two caudal (inferior) and two rostral (superior) containing the visual and auditory reflex centers. Called also corpora quadrigemina. seminal colliculus, colliculus seminalis a prominent portion of the male urethral crest, on either side of which, depending on the species, are the openings of the vasa deferens or ejaculatory ducts; called also verumontanum. superior colliculus see midbrain colliculus (above). Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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