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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.
col·lic·u·lus (k-lky-ls)
n. pl. col·lic·u·li (-l)
A small elevation above the surrounding parts of a structure.
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).
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