Examlex
During the first trimester of pregnancy,the ovaries are active endocrine glands.
Glucocorticoids
A class of steroid hormones that play a vital role in the regulation of metabolism, inflammation, and immune response.
Melatonin
Hormone secreted by the pineal gland during the dark phase of the day-night cycle; influences daily and seasonal biorhythms.
Arousal
A physiological and psychological state of being awoken or of sense organs stimulated to a point of perception.
Suprachiasmatic Nucleus
A small region of the hypothalamus in the brain responsible for controlling circadian rhythms.
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