spiculum


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Related to spiculum: speculum

spic·u·lum

 (spĭk′yə-ləm)
n. pl. spic·u·la (-lə)
A small needlelike structure, such as a copulatory organ in a nematode.

[Latin spīculum, diminutive of spīca, point, ear of grain.]

spiculum

(ˈspɪkjʊləm)
n, pl -la (-lə)
(Biology) another word for spicule1
[C18: from Latin: small sharp point, from spica]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spiculum - small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and coralsspiculum - small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
appendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
References in periodicals archive ?
male genitalia: (11) tergite VII; (12) tergite VIII; (13) tegmen; (14) spiculum gastrale; (15) aedeagus, lateral view; (16) ventral view; (17) dorsal view; (18) phallobase; (19) median lobe, enlarged membranous portion.
Endosoma rather broad, coiled or strongly wound at middle, bearing a single spiculum below secondary gonopore; apical blade often accompanied with sclerotized plate and/or minute spinules.