PSYCH 15 Lecture Notes - Lecture 15: Suprachiasmatic Nucleus, Antibody, Sexual Attraction
Document Summary
Developmental ( organizational ): development of anatomical, physiological, behavioral characteristics that differentiate sexes. Activational: triggering reproduction-related behavior in mature individuals. Exocrine: release chemicals into ducts that carry them to target. Endocrine: ductless--release hormones directly into circulatory system. Endocrine glands: primary function is hormone release. Fertilization: sperm + egg zygote (23 pairs) Peptides and proteins (chains of amino acids) Fat-soluble: able to enter cell and bind to receptors in cytoplasm/nucleus. Adult testes release more androgens; ovaries release more estrogens. Adrenal cortex: also releases small amounts of sex steroids. Anterior pituitary: tropic hormones (influence release of hormones by other glands) Vasopressin: antidiuretic hormone (controls salt content, affects blood pressure) Neurons, but release hormones instead of neurotransmitters. Anterior pituitary: hypothalamopituitary portal system carries hormones (via blood vessel) Thyrotropin-releasing hormone triggers release of thyrotropin from anterior pituitary. Stimulates release of hormones from thyroid gland. All endocrine glands (except anterior pituitary) release neural signals. Pfeiffer discovered sex difference in mammalian brain function.
