Merocrine

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Merocrine or eccrine – by exocytosis
Apocrine – by membrane budding (loss of cytoplasm)
Holocrine – by membrane rupture
File:405 Modes of Secretion by Glands Merocine.png
Merocrine secretion
File:Histology of paneth cells, annotated.jpg
Paneth cells, located at the base of the crypts of the small intestinal mucosa, and displaying merocrine secretion of bright red cytoplasmic granules. H&E stain.

Merocrine (or eccrine) is a term used to classify exocrine glands and their secretions in the study of histology. A cell is classified as merocrine if the secretions of that cell are excreted via exocytosis from secretory cells into an epithelial-walled duct or ducts and then onto a bodily surface or into the lumen.

Merocrine is the most common manner of secretion. The gland releases its product and no part of the gland is lost or damaged (compare holocrine and apocrine).

The term eccrine is specifically used to designate merocrine secretions from sweat glands (eccrine sweat glands),[1] although the term merocrine is often used interchangeably.[2][3]

Examples

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References

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  1. ^ Eccrine and Apocrine Glands Script error: No such module "webarchive". Donald J. Baker, M.D., and Warren R. Heymann, M.D. American Academy of Dermatology. Retrieved on April 18, 2010
  2. ^ Page Module:Citation/CS1/styles.css has no content.Melo, Angel I.; González-Mariscal, Gabriela (2010-01-01), Litwack, Gerald (ed.), "Chapter Fifteen - Communication by Olfactory Signals in Rabbits: Its Role in Reproduction", Vitamins & Hormones, Pheromones, 83, Academic Press: 351–371, doi:10.1016/s0083-6729(10)83015-8, PMID 20831954, retrieved 2020-10-23
  3. ^ Page Module:Citation/CS1/styles.css has no content.Lombardini, Eric D.; Pacheco-Thompson, Michelle E.; Melanson, Mark A. (2013-01-01), Haschek, Wanda M.; Rousseaux, Colin G.; Wallig, Matthew A. (eds.), "Chapter 44 - Radiation and Other Physical Agents", Haschek and Rousseaux's Handbook of Toxicologic Pathology (Third Edition), Boston: Academic Press, pp. 1421–1503, doi:10.1016/b978-0-12-415759-0.00044-3, ISBN 978-0-12-415759-0, retrieved 2020-10-23{{citation}}: CS1 maint: work parameter with ISBN (link)
  4. ^ Page Module:Citation/CS1/styles.css has no content.Matsubara F (1977). "Morphological study of the Paneth cell. Paneth cells in intestinal metaplasia of the stomach and duodenum of man". Acta Pathol Jpn. 27 (5): 677–95. doi:10.1111/j.1440-1827.1977.tb00185.x. PMID 930588.

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