pineal

🇺🇸 /paɪˈniːəl/ 🇬🇧 /paɪˈniːəl/
Frequency
Difficulty
Tags RARE
noun
R

A small gland in the brain that helps control sleep and wake cycles by producing a hormone called melatonin.

The pineal gland is responsible for the body's internal clock, regulating sleep patterns.

translation

n. A small gland in the brain that helps control sleep and wake cycles by producing a hormone called melatonin.

Word Forms

Plural pineals