ANATOMY

GENERAL ANATOMY

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This part of the endocrine system looks like a pine cone and regulates sleep patterns.
A
hypothalamus
B
pineal gland
C
thyroid
D
pancreas
Explanation: 

Detailed explanation-1: -It’s a part of your endocrine system and secretes the hormone melatonin. Your pineal gland’s main job is to help control the circadian cycle of sleep and wakefulness by secreting melatonin. The pineal gland is shaped like a tiny pinecone, which is how it got its name (“pine”-al gland).

Detailed explanation-2: -The pineal gland is a very small gland in the centre of the brain shaped like a pine cone, which is where it gets its name.

Detailed explanation-3: -The main function of the pineal gland is to receive information about the state of the light-dark cycle from the environment and convey this information by the production and secretion of the hormone melatonin.

Detailed explanation-4: -The pineal gland, also called pineal body or epiphysis cerebri, is a small cone-shaped structure that extends posteriorly from the third ventricle of the brain. The pineal gland consists of portions of neurons, neuroglial cells, and specialized secretory cells called pinealocytes.

Detailed explanation-5: -The pineal gland is light-sensitive. When it gets dark out, your pineal gland releases melatonin into your body. This may make you start to feel sleepy. This is because melatonin plays a role in regulating your sleep patterns (circadian rhythms).

There is 1 question to complete.