Male Reproductive
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | seminiferous tubules, epididymis, epididymis and vas deferens
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| show | vas deferens, inguinal canal, bladder.
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| show | seminal vesicle, urethra, prostate gland
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| show | seminal vesicle, prostate, urethra
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| Sperm are _____ int he testes, ____ in the spididymis, and ____ through the vas deferens and urethra _____ the body. | show 🗑
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| There are ______ seminiferous tubules in each testis, all draining into the ______ | show 🗑
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| A layer of germ cells, called _______, surrounds the seminiferous tubule. | show 🗑
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| Spermatogonia divide by mitosis. Some of the progeny remian germ cells adn some divide further by meiosis. These are ____. | show 🗑
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| spermatocytes are enveloped by the _____, pass through the _____ and develop into sperm. | show 🗑
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| show | 10 weeks
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| show | FSH from the pituitary and testosterone from the adjacent interstitial cells
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| show | blood-testis barrier
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| show | Sertoli Cells
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| show | cytoplasm
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| show | hyaluronidase and proteases
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| show | penetrating the cellular and protein barriers around the egg
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| show | 1-4mm/min
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| An adult male produces _____ sperm per day | show 🗑
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| Only after about ______ in the epididymis do sperm become capable of motility, but inhibitory proteins ____ any movement | show 🗑
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| Sperm can remain alive for ______, mostly in storage in the ______. | show 🗑
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| Seminal vesicles are paired glandular structures that secrete ____, ____, and ____ in a mucus base | show 🗑
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| show | 60%
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| Prostaglandins is thought to have two functions: | show 🗑
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| show | Prostate Gland
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| show | bicarbonate, citrate, calcium, zinc
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| Semen volume at ejaculation contain ____ of total volume from the prostate gland | show 🗑
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| The prostate glad secretes bicarbonate that helps | show 🗑
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| The prostate gland secretes zinc which | show 🗑
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| show | is to deposit sperm as close to the cervis as possible
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| show | nitric oxoide (NO)
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| NO in penis erection causes | show 🗑
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| show | sexual excitement, restricted
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| Parasympathetic neurons release NO which increases cGMP, causing vasodialation. cGMP is degraded by phosphodiesterase 5 (PDE5). Viagra acts by | show 🗑
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| Ejaculation of semen is caused by reflex impulses by _______ neurons from _____ respond to sexual excitement | show 🗑
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| show | initiate rapid peristaltic contractions of the vas deferens, seminal vesicles, prostate glands and muscles at the base of the penis.
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| Semen volume is about _____. | show 🗑
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| At ejaculation sperm are _____ of fertilization | show 🗑
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| The development of sperm function is called | show 🗑
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| Capacitation involves | show 🗑
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| In sperm penetration of the egg, ____ cuts the extracellular matrix | show 🗑
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| The anterior membrane of the sperm binds to receptors on the ______ of the egg surface | show 🗑
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| show | acrosomal
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| show | Ca++ channels
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| The opening of Ca++ channels spreads rapidly causing a microskeletal retraction that | show 🗑
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| show | 50-100 million
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| Sperm on the outside are killed by _____, their bodies help | show 🗑
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| Sperm are non-self molecules for a woman, therefore | show 🗑
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| Previous intercourse will have initiated anitbody formation against | show 🗑
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| show | more enzymatic digestion is required than one acrosome can provide
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| The head of a sperm is about ____ in length and the tail in another ____. From cervix through uterus to the egg is _____ | show 🗑
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| Testosterone is produced in | show 🗑
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| show | beta-globulin, sex hormone binding globulin, plasma albumin
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| show | target tissue cells, liver hepatocytes
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| show | hepatocytes, bile, in the urine
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| show | 1) directs development of gender specific organs 2) controls descent of testes into the scrotal sac
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| show | direct development of male sex organs; directs grown of body hair in male specific pattern; deepens voice; increases muscle mass; thickens bone & directs male specific bone growth; increases basal metabolism; increases RBC concentration
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| Testosterone patterns in life | show 🗑
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| show | hypothalamus, anterior pituitary
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| The anterior pituitary releases ___ and ___ | show 🗑
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| LH stimulates _____ to secrete _____ | show 🗑
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| show | Sertoli Cells, Sperm
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| show | testosterone, ihibin
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| Describe Condoms | show 🗑
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| Describe a Vasectomy | show 🗑
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| Future Male Contraception injections of _____ derivatives | show 🗑
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| show | block LH-FSH with androgen gel or patch
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| Future Male Contraception RISUG | show 🗑
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| Future Male Contraception GnRH agonists | show 🗑
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| Future Male Contraception Adjudin | show 🗑
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| show | to inhibit ejaculation (ex phenoxybenzamine)
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| show | to block sperm movement
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| Future Male Contraception Gossypol | show 🗑
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| Exogenous Anabolic Steroids | show 🗑
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| show | increase muscle mass
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| Possible side effects to exogenous anabolic steroids | show 🗑
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| show | all effects as is men, PLUS male pattern body hair, deeper voice, blocked ovulation, miscarriage and fetal damage.
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Created by:
tackron