oocyte

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Related to Cell nest: chondrification

oocyte

[′ō·ə‚sīt]
(histology)
An egg before the completion of maturation.
References in periodicals archive ?
The basal and peritrophic membranes exhibited a moderate reaction to PAS, allowing their identification; whereas the regenerative cell nests and muscle layers were negative for this histochemical test (Fig.
The defining female characteristics were the formation of protogonial germ tissue into spherical germ cell nests, separation of a tissue layer from the outer epithelial layer of the lobe-forming ovarian walls, a tissue bud growing from the suspensory tissue that helped form the ovary wall, and the proliferation of oogonia and oocytes.
We showed that CTAVN and solid cell nests of the thyroid gland are identical structures and indicated that CTAVN is an ultimobranchial heterotopia secondary to an alteration in cardiac neural crest cell development.