In the glandular cells, polar differences are clearly visible. Caused by the direction of the secretion process, such as during the external secretion from the base to the tip of the cell. periodic changes in glandular cells related to the formation, accumulation, ejaculation and regeneration for further ejaculation called the ejaculation cycle to create secrets from blood and lymph various inorganic compounds water and low molecular weight organic matter It enters the glandular cells from the side of the basal surface.
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โพสต์โดย : advance12
