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28 terms

Male Reproductive System

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Sperm
The male reproductive cell.
Testes
The male gonads, which produce sperm and secrete male sex hormones.
Semen
The thick white fluid containing sperm that is ejaculated by the male genital tract.
Penis
The male reproductive organ. Used for ejaculation and the elimination of waste as urine.
Scrotum
Located outside of the body and composed of erectile tissue, a sac-like organ that contains the testes and protects them.
Epididymis
Structure in the male reproductive system that stores mature sperm cells.
Vas Deferens
Attached to the Epididymis, either of two ducts or tubes that allow sperm to pass from the testicles by carrying sperm around the bladder to the urethra.
Seminal Vesicle
Secretes an alkaline fluid that helps neutralize the sperm's acidity, enhances sperm's mobility by adding a thick milky fluid.
Prostate Gland
Golf ball sized organ that secretes prostaglandins that help keep sperm alive.
Spermatogenesis
The production of sperm cells.
Pituitary Gland
Gives off FSH (Follicle stimulating hormone).
# of chambers per teste
20 to 30
Sperm production depends on.....
The amount of hormones involved.
Temperature
Environmental Factors
Health
Age
Diet
Ejaculation
The propulsion of semen from the urethra of the penis.
Foreskin
Surrounds the glans penis.
Root
The uppermost area of the penis.
Erection
Process that occurs when a penis swells with blood and elongates.
Cowper's Gland (Bulbourethral Gland)
Releases cleansing materials prior to ejaculation that clean the urethral channel.
Nurse Cells
Surround immature sperm cells.
Male Reproductive System
Gonads, Testes, Genital Ducts, Ductus(vas)deferens, Urethra. Accessory Organs (Prostate, Genitalia, Penis, Scrotum).
Spermatogonia
Sperm cell w/ 46 chromosomes (Fact: We want 23!)
# of chromosomes a mature sperm cell has....
23
Gametes
Sex cells
Haploid
1
Diploid
2
Testosterone
The male sex hormone.
somniferous tubule
Small sections or cubules that create divisions within the Testes.
What processes are included?
Meiosis I and Meiosis II