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| 1. |
What is mean by holocrine, apocrine and merocrine glands |
| Answer» Exocrine glands are named apocrine glands, holocrine glands, or merocrine glands based on how their products are secreted.\tMerocrine\xa0secretion – cells excrete their substances by\xa0exocytosis\xa0into a duct; for example, pancreatic acinar cells, maximum\xa0sweat glands\xa0of humans,\xa0goblet cells,\xa0intestinal glands,\xa0tear glands, etc.\tApocrine\xa0secretion – a portion of the\xa0cell membrane\xa0that contains the excretion buds off. Examples are sweat glands of arm pits, pubic region, skin around ****, lips and nipples;\xa0mammary glands, etc.\tHolocrine\xa0secretion – the entire cell disintegrates to excrete its substance; for example, sebaceous glands of the\xa0skin\xa0and nose,\xa0meibomian gland,\xa0zeis gland, etc. | |