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Herring bodies

Structures in the pituitary gland

Structures in the pituitary gland

FieldValue
NameNeurosecretory body
Latincorpusculum neurosecretorium
LocationPosterior pituitary

Herring bodies or neurosecretory bodies are structures found in the posterior pituitary. They represent the terminal end of the axons from the hypothalamus, and hormones are temporarily stored in these locations. They are neurosecretory terminals.

Antidiuretic hormone (ADH) and oxytocin are both stored in Herring bodies, but are not stored simultaneously in the same Herring body.

In addition, each Herring body also contains ATP and a type of neurophysin. Neurophysins are binding proteins, of which there are two types: neurophysin I and neurophysin II, which bind to oxytocin and ADH, respectively. Neurophysin and its hormone become a complex considered a single protein and stored in the neurohypophysis. Upon stimulation by the hypothalamus, secretory granules release stored hormones into the bloodstream. Fibers from supraoptic nuclei are concerned with ADH secretion; paraventricular nuclei with oxytocin.

This anatomical structure was first described by Percy Theodore Herring in 1908.

References

References

  1. Kwang W. Jeon. (18 August 2005). "International Review of Cytology: A Survey of Cell Biology". Gulf Professional Publishing.
  2. {{KansasHistology. endo. endo08
  3. (2013). "Junqueira's Basic Histology: Text and Atlas". McGraw-Hill Medical.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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