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Compound racemose glands

Alveolar gland
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Section of pancreas of dog. X 250.
Identifiers
Code TH H2.00.02.0.03028
Dorlands
/Elsevier
g_06/12391106
Anatomical terminology
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If glands are categorized by shape, alveolar glands contrast with tubular glands. Alveolar glands have a saclike secretory portion, thus are also termed saccular glands. They typically have an enlarged lumen (cavity), hence the name similar to alveoli, the smallest air sacs in the lungs.

Branched alveolar glands are classified as follows:

Some sources draw a clear distinction between acinar and alveolar glands, based upon the size of the lumen. A further complication in the case of the alveolar glands may occur in the form of still smaller saccular diverticuli growing out from the main sacculi.

The term "racemose gland" is used to describe a "compound alveolar gland" or "compound acinar gland".

Alveoli of lacrimal gland.

Human submaxillary gland. At the right is a group of mucous alveoli, at the left a group of serous alveoli.

Section of portion of mamma.



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