Parathyroid gland, anatom, histology, and physiology : a short review

الملخص EN

Parathyroid glands take a special place in human physiology and anatomy, as they were the last major organs to be identified in humans.

The average parathyroid gland measures about five to seven mm in length, and three to four mm in width and weighs about forty to sixty mg.

The four parathyroid glands are derivative from the posterior endoderm of the 3rd and 4th pharyngeal pouches.

Normally, there are four parathyroid glands (superior and inferior).

It takes the bean-shaped or oval.

The main function of the parathyroid gland is to release hormone called parathyroid hormone (PTH) consists of 84- amino acid, which is involved in calcium homeostasis.