theca folliculi

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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 fol·lic·'u·li

the wall of a vesicular ovarian follicle.
See also: tunica externa, tunica interna thecae folliculi.

the·ca fol·lic·u·li

(thē'kă fŏ-lik'yū-lī)
The wall of a vesicular ovarian follicle.
See also: tunica externa

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.
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References in periodicals archive ?
Fibroblasts of the tunica albuginea and theca externa change from a quiescent, resting to an active, proliferating state, and begin to dissociate from one another.
Connective tissue of the tunica albuginea and theca externa at the apex of the follicle becomes more loosely organized and less tenacious.
It is generally agreed that the major prerequisite for ovulation is degradation of collagenous layers of the theca externa and tunica albuginea at the apex of the ovulatory follicle.
Characterization of dissimilar steroid productions by granulosa, theca interna and theca externa cells during follicular maturation in the turkey (Meleagris gallopavo).