Definition of pineal gland in English English dictionary
A small, pinecone-shaped endocrine gland found near the centre of the brain that produces melatonin
A small structure situated in the center of the head and connected to the brain that was originally the "third eye," which was located on the top of the head in primitive animals See also Melatonin
A small, cone-shaped organ in the brain of most vertebrates that secretes the hormone melatonin. Also called epiphysis, pineal body, pineal organ. or pineal body Endocrine gland in the brain that produces melatonin. It is large in children and begins to shrink at puberty. The gland may play a significant role in sexual maturation, circadian rhythm and sleep induction, and seasonal affective disorder and depression. In animals it is known to play a major role in sexual development, hibernation, and seasonal breeding
A small gland located deep within in the brain It is believed to secrete melatonin, and may therefore be part of the bodys sleep-regulation apparatus
a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin