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40 Cards in this Set
- Front
- Back
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what are the structure and function of the seminiferious tubules
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Tightly coiled structures that produce sperm
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Where is the scrotum located and what does it hold
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In between the legs and it hold the 2 testes.
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What is the coiled structure that sits on top of the testes, where sperm mature
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The epididymis
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the term that refers to the penis and scrotum
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External genitals
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The piece of skin, also called the foreskin, is removed during circumcision
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Prepuce
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The structure that carries both semen and urine in a man
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Urethra
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The male copulatory organ
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Penis
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These cells secrete testosterone
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Interstitial cells
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This state is caused by the filling of erectile tissue with blood
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erection
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What is the androgen thats necessary for sperm formation and the development of the male secondary sex characteristics
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testosterone
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The term that refers to the movement of sperm and glandular secretions from the testes and genital ducts into the urethra
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emission
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This hormone is also called cell stimulating hormone and stimulates the interstitial cells to secrete testosterone
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lutinizing hormone
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this is the skin-covered muscular region located between the vaginal orifice and the anus
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perineum
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implantation of the embryo occurs within this organ
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uterus
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The placenta forms in this organ
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uterus
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Def: Gametes
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Specialized reproductive or sex cells
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Male gametes=
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Sperm
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Female gametes=
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egg cells or ova
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When sperm and ova come together they produce.
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Zygote
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reproductive system is sometimes called.
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urogenital system
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the essentiel organs of reproduction in men and women are called.
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Gonads
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The gonads produce what sex cell.
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Spermatozoa and testosterone
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The testes are located in the
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scrotum
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The testes need to be cooler or warmer than the body temperature
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Cooler is required for the normal production and survival of sperm
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the testes is surrounded by a tough, whitish membrane called the
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tunica albuginea
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sperm production is called
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Spermatogenisis
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Sperm precursor (stem) cells are called
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Spermatogonia
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When the spermatogonium undergoes mitosis and produces
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2 daughter cells with 46 chromosomes
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when the primary spermacyte undergo meiosis
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it produces spermatids which has 23 chomosomes
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spermatids develop into.
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Spermatozoa
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What cells produce testosterone
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Interstitial cells
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Testosterone is also known as
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Masculinization hormone and anabolic hormone
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Where is sperm produced
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Walls of the seminiferous tubule
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The epididymis function and location
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Lies along the top and behind the testes inside the scrotum.sperm mature and develop their ability to move or swim as they are temporarily stored i the epididymis
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Whats the name of the tube that permits sperm to exit from the epididymis
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Ductus deferens or vas deferens
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What is cryptochidism?
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A condition where the baby's scrotum are still in the abdominal cavity~ normally the scrotum descends 2months before birth
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What is semen or seminal fluid
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Is a mixture of sex cells, produced by the testes. Protects the the sperm.
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what are the function of the Seminal vesicles
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produce the fraction of the seminal fluid that helps provide a source of energy for the highly motile sperm
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What and where is the prostate gland?
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lies below the bladder. the urethra passes through the center.secretes 30% of the seminal fluid
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What is the bulbourethral glands
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Also called Cowper's gland.2 glands that are located below the prostate and empty their secretions into the penile portion of the urethra. sometimes called the pre ejaculate the function is to 1)neutralize the acidic urine in the terminal urethra and 2) lubricate the urethra to protect the sperm form friction during ejaculation
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