oolemma


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Related to oolemma: ooplasm, Acrosome reaction

oolemma

[¦ō·ə′lem·ə]
(histology)
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The contact between cumulus cells themselves decreased but was not completely eliminated; junctional apparatuses were still frequent between these projections and the oolemma at the points of contact.
We did not observe a massive formation of cortical granules in close proximity to the oolemma as the diameter of follicles increased.
The result of this histochemical staining showed histological sections of the previtellogenic ovaries that were gray, indicating that at this stage of growth oocytes are composed mainly ofphospholipids, both oolemma and ooplasm.
One weak piezo pulse was applied to puncture the oolemma at the pipette tip.
The early vitellogenic oocyte was partially surrounded by follicle cells, which maintained intimate contact with the smooth oolemma of the oocyte.
A vitelline layer and jelly coat surrounded the eggs, and cortical granules were dispersed along the oolemma (Fig.
FITC-phalloidin labeled the fertilization cone as a well-defined region on the oolemma surrounding the sperm nucleus (Fig.
Fertilized eggs had a 50-[mu]m-wide perivitelline space between the oolemma and the fertilization envelope (Fig.
In addition, projections of the follicle cells also can attach to the oolemma of the oocyte by means of gap junctions that allow small molecules to pass between the follicle cells and the prophase-arrested oocyte (Anderson and Albertini, 1976; Patino and Purkiss, 1993; York et al.