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22 Cards in this Set
- Front
- Back
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In males, Testosterone negatively inhibits _____
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Gonadotopin-Releasing Hormone (GnRH)
Luteinizing Hormone (LH) |
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In males, Inhibin negatively inhibits _______
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Follicle Stimulating Hormone (FSH)
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Sperm develop _______ the Sertoli cells in the _______
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between
seminiferous tubules |
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Spermatogonium
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Produced in the fetus
46 single chromosomes |
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@ puberty, spermatogonium undergo ______ to become spermatogonia
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mitosis
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Spermatogozoa
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23 haploid chromosomes
Single Strands |
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Secondary spermatocytes have ______ chromosomes
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23 diploid double strands
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Sperm travels from the testes-->_____-->_____-->___
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Epididymus
Vas Deferens Urethra |
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Seminal Vesicles secrete____ to ejaculate
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Fructose which provides energy to the sperm
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The prostate gland adds ____ to ejaculate
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Alkaline fluid to neutralize the acidic environment of vagina
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LH binds to receptor and _____ activity of cAMP
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increases
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Increased activity of cAMP leads to _____ action of pk-A
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Increased
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pk-A stimulates conversion of ______ to testosterone
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cholesterol
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Secondary Male Sex Characteristics
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Increased muscle mass
Increased hair (face, chest, pubic areas) Male Pattern Baldness Deepening of voice |
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Determines whether testosterone is converted to other androgens
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What other enzymes are present
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Testosterone is produced in ______
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Leydig Cells
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Low estrogen levels produce ____ feedback
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Negative
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Prolonged high estrogen levels produce _____ feedback
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Positive
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High Estrogen + High Progesterone produce ____ feedback
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Negative
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Primary oocytes are arrested in their first stage of ____ division
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meiotic
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The first meiotic division is completed just ______
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Before ovulation
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The second meiotic division is completed just _____
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After fertilization
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