Term
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Definition
| Primary:gonads (prenatal) Secondary=all other SEXUALLY DIMORPHIC characteristics |
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Term
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Definition
| Testosterone, DHT, & Androstenedione |
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Term
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Definition
| Estradiol, Estriol, Estrone |
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Term
| Locations of Estrogen Receptors |
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Definition
| Central Nervous System, Cardiovascular System, Breast, Liver, Gastriontestinal tract, Bone, Muscles |
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Term
| GnRH Activation is an Orchestraion of: |
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Definition
| INTERNAL and EXTERNAL signals |
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Term
| Development Clock involves 2 important signaling hormones directly related to energy balance (2) |
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Definition
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Term
| Reproductive Functions of the MALE (3) |
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Definition
| 1.Produce sperm to provide 1/2 genetic material for offspring 2.Deliver sperm to Female for fertilication 3.Biologically, a male may serve the purpose of producing as many offspring as possible |
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Term
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Definition
| 1.GnRH 2.LH and FSH 3.Testosterone 4.DHT 5.Estrogen 6.Inhibin 7.Oxytocin |
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Term
| Fluctuations in TESTOSTERONE (5) |
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Definition
| 1.Daily Cycles (higher levels in the morning and lower levels in the evening 2.Seasonal Cycle (higher in Nov. and Lower in Apr.) 3.Monthly cycle unique to each individual 4.Mate giving birth lowers levels 5.Response to Competition (varies)(winning/losing) |
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Term
| TESTIS - Sources of Hormones |
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Definition
| LEYDIG cells (testosterone) and SERTOLI cells (inhibin & estrogen) |
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Term
| Location of ANDROGEN RECEPTORS in Males |
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Definition
| Testes, Prostate Gland, Seminal Vesticles, Epididymis, Penis, Vas Defernes, Muscle, Oil Glands, Bone, SPinal Cord, Kidney, Brain |
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Term
| Location of ESTROGEN RECEPTORS in Males |
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Definition
| Testes, Prostate Gland, Epididymis, Vas Defernes, Muscle, Fat Tissue, Bone, Kidney, Cardivascular System, Brain. (In some cells, Testosterone is converted to estrogen) |
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Term
| Functions of Testosterone in Males (5)(Often via DHT) |
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Definition
| 1.Maintenacne of functions reproductive structures and secondary sexual characteristics 2.Necessary for Spermatogenesis 3.Maintains muscle mass 4.Regulate LDL/HDL cholesterol ratio 5.Stimulate skeletal growth |
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Term
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Definition
| Stimulation and maintenance of body and facial hair and Head hair regression (baldness) |
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Term
| Functions of ESTROGEN in Males (4) |
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Definition
| 1.Sexual differentiation of specific brain regions 2.Cessation of skeletal growth following puberty 3.Maintenance of bone density in adulthood 4.May play a role in Spermatogenesis |
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Term
| Excess of Estrogen can lead to: |
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Definition
| Gynocomastia (breast enlargment) |
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Term
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Definition
| Reduced testosterone may lead to: -lowered mood levels -loss of muscle mass -reduced sperm production (Erectile dysfunction is NOT related to testosterone levels) |
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