BIOL 030 Lecture Notes - Lecture 9: Pituitary Gland, Thyroid, Prolactin
19 May 2020
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Document Summary
Endocrine glands: ductless glands that secrete chemical messages into the blood. Hormones: chemical message secreted by endocrine glands. Target: end organ that will be acted upon by the hormone. Has 2 divisions: neurohypophysis, nervous tissue, posterior pituitary and adenohypophysis, glandular tissue, anterior pituitary. Antidiuretic hormone (adh: also called vasopressin, acts on kidneys to cause resorption of water, raises blood pressure. Oxytocin: uterine contractions during childbirth and milk release from breast. Growth hormone (gh: promotes total body growth. Prolactin (prl) stimulates production of milk in the breasts. Thyroid stimulating hormone (tsh: prompts the thyroid gland to secrete thyroid hormone which regulates metabolic rates. Adrenocorticotropic hormone (acth: stimulates the adrenal glands to secrete hormones that assist in responding to long-term and short-term stress. Follicle-stimulating hormone (fsh) and luteinizing hormone (lh: act on primary sex organs to stimulate gamete maturation and sex hormone secretion. Hypothalamus controls the activities of the pituitary gland.
