PATHOLOGY

PATHOLOGY MCQ

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where is the melatonin produced?
A
Pancreas
B
Pineal Gland
C
Hypothalmius
D
Ovary
Explanation: 

Detailed explanation-1: -Your pineal gland, also called the pineal body or epiphysis cerebri, is a tiny gland in your brain that’s located beneath the back part of the corpus callosum. It’s a part of your endocrine system and secretes the hormone melatonin.

Detailed explanation-2: -In humans melatonin is produced mainly in the pineal gland and a small portion in the retina.

Detailed explanation-3: -The pineal gland or epiphysis synthesizes and secretes melatonin, a structurally simple hormone that communicates information about environmental lighting to various parts of the body. Ultimately, melatonin has the ability to entrain biological rhythms and has important effects on reproductive function of many animals.

Detailed explanation-4: -The name “third eye” comes from the pineal gland’s primary function of ‘letting in light and darkness’, just as our two eyes do. This gland is the melatonin-secreting neuroendocrine organ containing light-sensitive cells that control the circadian rhythm (1).

There is 1 question to complete.