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BIO 621
Midterm: 15.1
| Question | Answer |
|---|---|
| Gonadotrophic hormones | hormones that affect gonads: testes and ovaries. Ex. FSH LH |
| What cells are found in testes | Leydig cells and sertoli cells |
| What is spermatogenesis | production of sperm in semiferous tubules of the testes; stimulated by FSH |
| 46 | diploid number of chromosomes |
| 23 | haploid number of chromosomes. |
| What makes up the head of the sperm | acrosomal cap and nucleus |
| What makes up the middle piece of the sperm | mitochondria |
| what makes up the flagellum | axial filament and tail |
| What is semen | seminal fluid and sperm |
| What are contributors to seminal fluid | prostate gland, cowpers gland and seminal vesicles |
| Prostate | reduces acidity in birth canal |
| seminal vesicles | fructose for energy and stimulates muscle contraction in female to propel sperm |
| cowpers gland | mucus rich fluid, protection, reduces friction |
| follicule | cluster of cells containing an oogonium (primordial egg cell) and is found in the ovary |
| Name the four phases of menstruation | flow phase, follicular phase, ovulation phase and luteal phase |