The pineal gland, or 松果體, is a part of the brain that secretes hormones.

He works as a neuroscientist.

A deficiency in male hormones can potentially lead to a decrease in physical strength and muscle power.

Part of this movie is based on actual events.

This plant secretes a special liquid.

His body started excessive secretion in response to stress.

His role is the team leader.

Hormones play an important role in the body of living organisms.

The pineal body is a small endocrine gland located in the brain.

The pineal gland is a very small gland that exists in the brain.