osculum


Also found in: Dictionary, Encyclopedia, Wikipedia.
Related to osculum: spongin, choanocyte, Osculum infame

osculum

 [os´ku-lum]
a minute opening.

os·cu·lum

, pl.

os·cu·la

(os'kyū-lŭm, -lă),
A pore or minute opening.
[L. dim. of os, mouth]

osculum

/os·cu·lum/ (os´ku-lum) pl. os´cula   [L.] a small aperture or minute opening.

os·cu·lum

, pl. oscula (os'kyū-lŭm, -lă)
A pore or minute opening.
[L. dim. of os, mouth]

osculum

the large aperture in sponges through which water passes out.

osculum

a small aperture or minute opening.
Mentioned in ?
References in periodicals archive ?
Each tall mound in the unusual form is surmounted by a single osculum, whereas oscula in T.
The dermal membrane also provides a rim (1-3 mm wide) around the edge of each osculum (Fig.
The calcareous sponge Leucosolenia laxa releases free-swimming coeloblastulae through the osculum with the excurrent water.
When specimens of these sponges were bisected transversely, both halves could develop a complete new animal with the same polarity, from osculum to base, as the original (Tuzet and Paris, 1963).
ehrenbergi has many small excurrent canals that are accommodated along a central larger canal, leading to the osculum (Fig.