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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Branched tubuloacinar gland

Introduction

Template:Infobox Anatomy


In contrast to tubular glands, in the second main variety of gland, the secretory portion is enlarged and the lumen variously increased in size. These are termed alveolar glands[1] (or saccular glands[2][3], or acinar glands[4], or acinous glands[5][6]).

Some sources draw a clear distinction between acinar and alveolar glands, based upon the shape of the lumen.[7]

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. These are termed alveoli.

The term “tubulo-alveolar” (or “tubulo-acinar”[8], or “compound tubulo-acinar”, or “compound tubulo-alveolar”[9]) is used to describe that start out as branched tubular, and branch further to terminate in alveoli. This type of gland is found in the salivary glands[10][11] and esophagus[12].

The term “racemose gland”[13] is used to describe a “compound alveolar gland” or “compound acinar gland”.[14]

Additional images

Additional images

  • Alveoli of lacrimal 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.
    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.
    Section of portion of mamma.
See also

See also

References

References

  1. ↑ Template:EMedicineDictionary
  2. ↑ Template:EMedicineDictionary
  3. ↑ Template:Dorlands
  4. ↑ http://students.kennesaw.edu/~rnn6016/acinar.html
  5. ↑ Template:EMedicineDictionary
  6. ↑ Template:Dorlands
  7. ↑ http://www.lab.anhb.uwa.edu.au/mb140/CorePages/Epithelia/Epithel.htm#Classification
  8. ↑ Template:Dorlands
  9. ↑ Histology at KUMC glands-glands17
  10. ↑ Histology at KUMC glands-glands14 “Compound Tubulo- Alveolar”
  11. ↑ Histology at University of Southern California epi/c_58
  12. ↑ Template:LoyolaMedEd
  13. ↑ Template:EMedicineDictionary
  14. ↑ http://www.siumed.edu/~dking2/intro/glands.htm#acinus

Template:Glands

Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753