11b Endocrine System

11b Endocrine System - Growth hormone (GH) or somatotropin...

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Hormone Target Function Antidiuretic hormone (ADH)  or vasopressin Kidney tubules Stimulates reabsorption of water by kidneys, reducing the  concentration of solutes in the blood Oxytocin uterine muscles Initiates uterine contractions during childbirth; stimulates flow of milk  from breasts during lactation Adrenocorticotropic hormone  (ACTH) Adrenal cortex Follicle-stimulating hormone  (FSH) Ovaries in females; testes  in males Stimulates egg production in females; stimulates sperm production in  males Luteinizing hormone (LH) Ovaries in females; testes  in males Stimulates progesterone & estrogen production; initiates ovulation in  females; stimulates T production Thyroid-stimulating hormone  (TSH) Thyroid gland Regulates secretion of the thyroid hormones - thyroxine and  triiodothyronine
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Unformatted text preview: Growth hormone (GH) or somatotropin Muscle & bone Regulates development of muscles and bones Prolactin (PRL) Mammary glands Stimulates milk production in breasts during lactation Function of Pituitary Adrenal Medulla produces the amine hormones epinephrine & norepinephrine (for fight-or-flight) Cortex produces steroid hormones, such as glucocorticoids (cortisol for stress, fever, illness) & mineralocorticoids (aldosterone for salt & water balance), & sex steroids- neural- endocrine Gonads Gonadotropin Testes Ovaries FSH stimulates spermatogenesis stimulates primordial germ cell to become ovarian follicle (=> E) LH stimulates Leydig cells (=>T) stimulates ovulation & formation of corpus luteum (=> E & P) (inhibin) Feedback Loops LH LH & T; FSH & inhibin GnRH or LHRH or LRF Hypothalamic Control HPG Axis...
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11b Endocrine System - Growth hormone (GH) or somatotropin...

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