Pineal gland

This tutorial by Nicole from Kenhub covers the pineal gland, detailing its structure, location, function, and blood supply. The pineal gland, also known as the Epiphysis cerebri, is a small endocrine gland in the brain that produces melatonin, influencing sleep and reproductive functions. It is located in the diencephalic part of the forebrain and is not isolated by the blood-brain barrier. The tutorial also explains the pineal stalk, laminae, and the gland's blood supply and drainage.

How does the pineal gland contribute to reproductive functions?

Explain the significance of the pineal gland in relation to the blood-brain barrier.