Zona Sentence Examples

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  • Conn's syndrome is also very rare, caused by a benign adenoma or hyperplasia of the zona glomerulosa producing excess aldosterone.

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  • The zona granulosa cells begin to secrete progesterone (granulosa lutein cells ).

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  • The egg is surrounded by a special coat called the zona pellucida.

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  • For fertilization to occur, a sperm must penetrate the tough outer membrane of the egg called the zona pellucida.

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  • When one sperm successfully binds with the zona pellucida, a series of chemical reactions occurs to allow only that sperm to penetrate.

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  • About sixty hours after fertilization, approximately sixteen cells have formed to what is called a morula, still enclosed by the zona pellucida; three days after fertilization, the morula enters the uterus.

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  • The zona pellucida disappears and the morula becomes a blastocyst.

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