Acinus

Acinus
Illustrated section of pancreas of dog. X 250. (Alveolus labeled at center top.)
Centroacinar cells

An acinus (adjective: acinar, plural acini) refers to the berry-shaped termination of an exocrine gland, where the secretion is produced.

They are found in many organs, including:

• the stomachHistology at OU 51_07 - pyloric stomach

• the sebaceous gland of the scalp

• the salivary glands of the tongueHistology at OU 46_03 - sublingual gland

• the liver

• the lacrimal glands

• the pancreas Histology at BU 10405loa

Mucous acini usually stain pale, while serous acini usually stain dark.

The term "acinus" is considered synonymous with alveolus by some sources, but not all.

human acinar cells

See also

• Intercalated duct

References

External links

• acinus at eMedicine Dictionary
• a_09/12107053 at Dorland\'s Medical Dictionary

This anatomy article is a stub. You can help Wikipedia by expanding it.

v • d • e Glands (Endocrine, Exocrine)
Classification	mechanism (Merocrine, Apocrine, Holocrine) shape (Tubular gland, Alveolar gland) secretion (Serous glands, Mucous glands, Serous demilune)
Ducts	Interlobar duct, Interlobular duct, Intralobular duct (Striated duct, Intercalated duct), Acinus

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