theca

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the·ca

 (thē′kə)
n. pl. the·cae (-sē′, -kē′)
A case, covering, or sheath, such as the covering of the pollen sacs of an anther or the thick cell wall of certain dinoflagellates.

[Latin thēca, case, receptacle, from Greek thēkē; see dhē- in Indo-European roots.]

the′cal (-kəl) adj.

theca

(ˈθiːkə)
n, pl -cae (-siː)
1. (Botany) botany an enclosing organ, cell, or spore case, esp the capsule of a moss
2. (Zoology) zoology a hard outer covering, such as the cup-shaped container of a coral polyp
[C17: from Latin thēca, from Greek thēkē case; related to Greek tithenai to place]
ˈthecal, ˈthecate adj

the•ca

(ˈθi kə)

n., pl. -cae (-sē).
1. a case or sheath enclosing an animal organ, structure, etc., as the horny covering of an insect pupa.
2. a sac, cell, capsule, or sporangium of a plant or mushroom.
[1655–65; < Latin thēca < Greek thḗkē case, cover, akin to tithénai to place, put]
the′cal, the′cate (-kɪt, -keɪt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.theca - a case or sheath especially a pollen sac or moss capsule
covering, natural covering, cover - a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover"
2.theca - outer sheath of the pupa of certain insects
sheath, case - an enveloping structure or covering enclosing an animal or plant organ or part
Translations

the·ca

n. teca, envoltura o capa que actúa esp. como protectora de un órgano.
References in periodicals archive ?
Tumors of the specialized gonadal stroma in human male patients: androblastoma, Sertoli cell tumor, granulosa theca cell tumor of the testis, and gonadal stromal tumor.
Granulosa theca cell tumors in premenarchal girls: A clinical and pathologic study of ten cases.