Question

What are the functions of each hormone in the neurohypophyseal hormone?

Answer 1

1. Anti-Diuretic Hormone (ADH) or Vasopressin :
   1. ADH has an anti-diuretic effect as well as an increase in blood pressure.
   2. It is a regulating hormone that is important in osmoregulation.
   3. It enhances the permeability of the distal convoluted tubule or collecting tubules of the kidney's uriniferous tubules.
2. Oxytocin (Birth hormone) :
   1. Oxytocin promotes parturition.
   2. It also activates mammary gland myoepithelial cells for milk ejection during lactation.
   3. It also aids in fertilisation by causing strong contractions of the uterine musculature to propel sperms upward into the fallopian tubes.
3. Coherin:
   1. It induces prolonged. rhythmic integrated contractions of the jejunum.