antrum

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Related to antral: antral gastritis, Antral follicle

antrum

Anatomy a natural cavity, hollow, or sinus, esp in a bone

antrum

[′an·trəm]
(anatomy)
A cavity of a hollow organ or a sinus.
References in periodicals archive ?
of Follicular waves###Range of Antral Follicles count###Repeatability###P-Value
C) Immunohistochemical localization of P450arom in the granulosa cell layers of the large antral follicles; e-h are enlargements of the regions marked in a-d (original magnification: a-d, 100x; e-h, 400x; bars = 80 pm in a-d and 30 pm in e-h).
In both phases of the oestrous cycle, primordial and developing primary follicles predominated, while secondary and antral follicles had a high degree of degeneration (Fig.
001 Types of Pre- Follicles Antral follicles ovulatory Follicles StagesGroups 6 7 8 Initial 10.
Retrieval of oocytes from the cultured large preantral and early antral follicles
Diagnosis of Helicobacter pylori infection using urease rapid test in patients with bleeding duodenal ulcer: influence of endoscopic signs and simultaneous corporal and antral biopsies.
Cx43 protein was expressed in fetal ovaries and was localized to primordial follicles, the granulosa layer of primary, secondary, and antral follicles, to theca layer of antral follicles, and an area between the ooeyte and granulosa layer.
During these periods a few follicles may develop to the antral stage, but they soon regress.
Las biopsias tomadas en region antral en proximidad de la incisura angularis [A y B] fueron significativamente mas sensibles para el diagnostico de MI y displasia gastrica que las biopsias obtenidas en la cara anterior y la curvatura mayor del antro [C y D] (Cuadro 2).
Ovarian volume and antral follicle counts as indicators of menopausal status.