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15 Cards in this Set
- Front
- Back
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Gonadotropin Releasing Hormone (GnRH) |
neuropeptide source: hypothalamic surge and tonic center male/female target: anterior pituitary (gonadotroph cells) |
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Luteinizing hormone (LH) |
glycoprotein source: anterior pituitary (gonadotroph cells) male target: testis (interstitial cells of Leydig) female target: ovary (cells of theca interna and luteal cells) male action: stimulates T production female action: stimulates ovulation, formation of CL, P4 secretion |
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follicle-stimulating hormone (FSH) |
glycoprotein source: anterior pituitary (gonadotroph cells) male target: testis (Sertoli cells) female target: ovary (granulosal cells) male action: Sertoli cell function female function: follicular dev and E2 synthesis |
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Prolactin (Prl) |
protein anterior pituitary (lactotroph cells) male target: testis and brain female target: mammary cells, CL in some species male action: induce maternal behavior female action: lactation, maternal behavior, CL function in some species |
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oxytocin (OT) |
neuropeptide source: synthesized in the hypothal, stored in the posterior pit, synthesized by CL male target: smooth muscle of epididymal tail, ductus deferens, and ampulla female target: myometrium and endometrium of uterus, myoepithelial cells of mammary gland Male action: PGF2a synthesis and pre-ejaculatory movement of spermatozoa female action: uterine motility, promotes uterine PGF2a synthesis, milk ejection |
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Estradiol (E2) |
steroid source: granulosal cells of follicle, placenta, Sertoli cells of testis male target: brain, inhibits long bone growth female target: hypothal, entire repro tract and mammary gland male action: sexual behavior female action: sexual behavior, GnRH, elevated secretory activity of the entire tract, enhanced uterine motility |
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progesterone (P4) |
steroid source: CL and placenta female target: uterine endometrium, mammary gland, myometrium, hypothal female action: endometrial secretion, inhibits GnRH release, inhibits reproductive behavior, promotes maintenance of preg |
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testosterone (T) |
steroid source: interstitial cells of Leydig, cells of theca interna in female male target: accessory sex glands tunica dartos of scrotum, seminiferous epithelium, skeletal muscle female target: brain, skeletal muscle, granulosal cells male action: anabolic growth, promotes spermatogenesis, promotes secretion of accessory sex glands female action: substrate for E2 synthesis, abnormal masculinization |
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Inhibin |
glycoprotein source: granulosal cells (female), Sertoli cells (male) target: gonadotrophs of ant pit action: inhibits FSH secretion |
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Activin |
glycoprotein source: placental cells, granulosal cells, Sertoli cells Target: gonadotrophs of ant pit action: stimulates FSH secretion |
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Prostaglandin F2a (PGF2a) |
prostaglandin source: uterine endometrium, vesicular glands male target: epididymis female target: CL, uterine myometrium, ovulatory follicles male action: affects metabolic activity of sperm, causes epididymal contractions female actions: luteolysis, promotes uterine tone and contraction, ovulation |
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Prostaglandin E2 (PGE2) |
prostaglandin source: ovary, uterus, embryonic membranes target: CL, oviduct action: ovulation, stimulates CL secretion of P4 |
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hCG |
glycoprotein source: trophoblast (chorion) target: ovary male target: increase growth of fetal testis female target: facilitate production of P4 by ovary |
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eCG |
glycoprotein source: chorionic girdle cells target: ovary action: causes formation of accessory CL |
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placental lactogen |
protein source: placenta target: mammary gland of dam action: mammary stimulation of dam |
