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organized structures of DNA and proteins that are found in cells
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in women, FSH helps control the menstrual cycle and the production of eggs by the ovaries. In men, FSH helps control the production of sperm
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68wm6 reproductive
| Question | Answer |
|---|---|
| organized structures of DNA and proteins that are found in cells | chromosomes |
| in women, FSH helps control the menstrual cycle and the production of eggs by the ovaries. In men, FSH helps control the production of sperm | follicle-stimulating hormone(FSH) |
| luteinizing hormone (LH) in the male | Interstitial cell stimulating hormone (ICSH) |
| in the female, an acute rise triggers ovulation. In the male, where LH is called interstitial cell stimulating hormone (ICSH) it stimulates production of testosterone | luteinizing hormone |
| a type of cell division by which germ cells (eggs and sperm) are produced. Meiosis involves a reduction in the amount of genetic material | meiosis |
| process by chich a cell duplicates the chromosomes in its cell nucleus, in order to generate two, identical, daughter nuclei | mitosis |
| the creation of an ovum (egg cell) | oogenesis |
| occurs when a mature egg is released from the ovary | ovulation |
| the process by which male spermatogonia develop into mature spermatozoa | spermatogenesis |
| a cell that is the result of fertilization | zygote |
| male primary sex organ | testes |
| produce and secrete primary male sex hormone, testosterone | interstitial cells |
| seminiferous tubules | sperm is formed here |
| Head,acrosome body tail | parts of sperm |
| composed of nucleus, 23 chromosomes, | head |
| contains enzymes to help soerm penetrate an egg cell | acrosome |
| midpiece, consist of a filamentous core, contains many mitochondria | body |
| flagellum, propels sperm cells through semen, mitocondria provides energy for lashing movement | tail |
| male internal reproductive organs | epididymis, vas deferens, seminal vesicles, prostate gland, bulbourethral gland, semen |
| tightly coiled tube. about 20 feet in length, emerges from top of testis, leads into the vas deferens, stores sperm until they mature | epididymis |
| muscular tube, ends behind urinary bladder, joins seminal vesicle to form the efaculatory duct | vas deferens |
| pouchlike structure attached to the vas deferens, secretes rich in fructose and other nutrients, accounts for 60% of semen volume | seminal vesicle |
| doughnut shaped, surounds urethra below the bladder, it secretes a thin, milky, alkaline fluid which neutralizes semen, accounts for 30% of semen volume, enhances sperm motility | prostate gland |
| located below the prostate gland, responds to sexual stimulation, secretes mucus-like fluid, often called pre-ejaculate, protects sperm from damage, accounts for less than 5% of semen volume, also called cowpers gland | bulbourethral gland |
| slightly alkaline, contains nutrients and prostaglandens, enhance sperm cell survival and movement through female reproductive tract | semen |
| cylindrical organ, conveys urine and semen, specializes in becoming erect | penis |
| corpora cavernosa | a pair of dorsally located cylinders |
| corpus spongiosum | a single cylinder of erectile tissue that surrounds the urethra, forms glans penis |
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danield71111
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