CBSE Class 11-science Answered
Define the follwing with examples:
1.Merocrine secretion
2.Apocrine secretion
3.Holocrine secretion
Asked by pb_ckt | 23 Apr, 2019, 09:09: PM
Expert Answer
1. Merocrine secretion: A secretion in which the product is discharged through the cell membrane, the cell itself remaining intact. No part of the cell is damaged. Example- Glands of gastrointestinal tract.
2. Apocrine secretion: A secretion in which the apical end of the secreting cell is broken and its contents are extruded. Here some cytoplasm is partially lost. Example- Mammary gland
3. Holocrine secretion: A secretion in which entire cell and its constituents are extruded as part of secretory product. Example- Sebaceous glands
Answered by Sivanand Patnaik | 24 Apr, 2019, 09:33: AM
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