Melatonin and Biorhythms Flashcards
1
Q
pineal gland
A
small mass of tissue near center of mammalian brain
- light sensitive cells
- nervous connections to eyes
- secretes melatonin
2
Q
melatonin
A
modified amino acid
- regulates functions related to light and seasons
- skin pigmentation
how much is secreted depends on day length
-winter= more melatonin
