paraphysis

(redirected from paraphysial body)
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pa·raph·y·sis

, pl.

pa·raph·y·ses

(pă-raf'i-sis, -sēz),
A median organ developing from the roofplate of the diencephalon in certain lower vertebrates. Present in the human embryo and fetus for a short time.
Synonym(s): paraphysial body
[G. an offshoot]

paraphysis

(pə-răf′ĭ-sĭs)
n. pl. paraphy·ses (-sēz′)
One of the erect sterile filaments often occurring among the reproductive organs of certain fungi, algae, and mosses.

paraphysis

(pă-răf′ĭ-sĭs) [Gr., offshoot]
The vestigial structure that originates from the roof plate of the telencephalon. Presumably the colloid cyst of the third ventricle arises from it. It is also a midline organ that develops from the roof plate of the diencephalon of some lower vertebrates.