Cribellum - definition of cribellum by The Free Dictionary
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, pl -la
(Zoology) a sievelike spinning organ in certain spiders that occurs between the spinnerets
[C19: New Latin, from Late Latin cribellum, diminutive of Latin cribrum a sieve]
References in periodicals archive
The Arabs took this word ultimately from a Latin word cribellum
that meant "sieve.
Cribellar threads derive their stickiness from thousands of fine, looped fibrils that are produced by the spigots of a cribellum
spinning plate located at the posterior of the spider's abdomen.
of female obviously divided and narrower than the width of anterior lateral spinnerets.
The lack of cribellate threads on the sheet of juvenile spiders (2nd to 6th instar) may either represent an ancestral condition, an undeveloped condition of the cribellum
apparatus, or both.
Some anatomical aspects of Hypochilus thorelli with special reference to the calamistrum and cribellum