theca

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theca

 [the´kah] (L.)
a case or sheath. adj., adj the´cal.
theca cor´dis pericardium.
theca folli´culi an envelope of condensed connective tissue surrounding a vesicular ovarian follicle; it is composed of an internal vascular layer (theca interna) and an external fibrous layer (theca externa).

the·ca

, pl.

the·cae

(thē'kă, thē'sē),
A sheath or capsule.
[G. thēkē, a box]

theca

/the·ca/ (the´kah) pl. the´cae   [L.] a case or sheath.the´cal
theca folli´culi  an envelope of condensed connective tissue surrounding a vesicular ovarian follicle, comprising an internal vascular layer (tunica interna) and an external fibrous layer (tunica externa) .

theca

(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.

the′cal (-kəl) adj.

theca

[thē′kə] pl. thecae,
a sheath or capsule, such as the theca cordis or pericardium.

the·ca

, pl. thecae (thē'kă, -sē)
A sheath or capsule.
[G. thēkē, a box]

theca

A casing, outer covering or sheath.

theca

  1. a sheath or case.
  2. the protective sheath surrounding the GRAAFIAN FOLLICLE.
  3. an obsolete term for ASCUS.

theca

pl. thecae [L.] a case or sheath.

theca cell
an epithelioid cell of the corpus luteum.
theca cordis
pericardium.
theca folliculi
an envelope of condensed connective tissue surrounding a vesicular ovarian follicle, comprising an internal vascular layer (theca interna) and an external fibrous layer (theca externa).
granulosa theca cell tumor
may secrete estrogen and progesterone in dogs and cause persistent or irregular estrus, alopecia, enlargement of nipples and vulva. Uterine changes range from cystic endometrial hyperplasia to pyometra.