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The Male Reproductive System

front 1 _____________ is the production of a new individual for the propagation of the species.	back 1 Reproduction
front 2 Reproduction slumbers until ___________	back 2 puberty
front 3 ___________ ___________ organs, or Gonads (________) are called _______ in males and __________ in female.	back 3 The primary sex organ seeds testis ovaries
front 4 Gonads are responsable for the production of _________, (or _________) and ___________.	back 4 sex cells gametes sex hormones

front 5 Gonads have both __________ and ____________ functions	back 5 Exocrines Endocrines
front 6 ___________ function refers to ducts for production of and transport of gametes	back 6 Exocrine
front 7 Endocrine function refers to secretion of _________ __________	back 7 sex hormones
front 8 Female sex hormones are	back 8 Estrogens Progesterone

front 9 Male sex hormone is	back 9 Testosterone
front 10 The Haploid reproductive sex cells from : Male Female	back 10 Sperm Ova
front 11 The Male Reproductive System role is to manufacture male gametes called ________ and deliver them to the ________ reproductive tract. where __________ can occur.	back 11 Sperm female fertilization
front 12 The sperm-producing ______ or male _______ (seed), lie within the ___________.	back 12 testis gonad scrotum

front 13 ___________ , which means "pouch" is a sack of ______ and _______ ________ that hangs outside the abdominopelvic cavity at the root of the penis.	back 13 Scrotum skin Superficial facia
front 14 Scrotum is covered with _______ and contains paired oval __________	back 14 hair Testes
front 15 Scrotum is affected by ________________. The superficial location of the scrotum, which provides a temperature about ____ ºC lower, is an essential adaptation for ________ production.	back 15 Temperature 3ºC lower Sperm
front 16 Scrotum is formed of 3 main parts:	back 16 Superficial fascia, which contain Dartos muscles Skin

front 17 Scrotum is divided into ____ compartments, each one for each ______. This division starts with a loose Connective Tissue wall called ___________, which divides the scrotum into two compartments, at the superficial fascia Septum is supported by a median ridge (external) called ___________	back 17 2 testes septum of scrotum Raphae
front 18 The changes of scrotal surface area help maintain a fairly constant intrascrotal temperature and reflect the activity of two sets of muscles called __________, which are subcutaneous muscle of the scrotum which are also a part of the ___________. This muscle causes the skin of the scrotum to wrinkle.	back 18 dartos muscles septum
front 19 _____________ muscle surrounds each of the spermatic cords and testicles. It is a continuation of the internal oblique muscle. _____________ muscle functions in controlling the temperature of the testes, which need to be kept at a temperature of 3 degrees ______	back 19 Cremaster Muscle Cremaster lower
front 20 For maximum production of _________, Cremaster Muscle raises the testes during sexual arousal and upon exposure to the cold, and by lowering the testes away from the body when they get to warm.	back 20 Sperm

front 21 The primary sex organ of the male is called__________ these are plum size that weighs ____ to ___ grams, about _______ cm long, _____ wide, and is surrounded by ___ tunics.	back 21 Testes 10 to 15 grams 1.5 cm 2.5 cm 2
front 22 Tunica _________ is an out-pocketing of the parietal peritoneum which becomes a serous covering of the testicle.	back 22 Vaginalis
front 23 Tunica ___________ is a white fibrous capsule which covers each testicle and invaginates to form ________ walls which divide the testes into many compartments called ___________ (about _____ to _____ of them).	back 23 albuginea septa lobules 200 to 300 lobules
front 24 Lobules contain _________ tubules which produce ________ by spermatogenesis.	back 24 seminiferous tubules sperm

front 25 Seminiferous tubule are ______, highly ______ tubules which occupy the _________. These tubules are the ______ of sperm production.	back 25 long coiled lobules site
front 26 They contain Sustentacular (__________) or _______ cells, which secrete ________ to protect the developing ____________ from the male ________ system and nutrients.	back 26 Sustentocytes Sertoli cells inhibin spermatozoa Immune
front 27 Excess sperm would cause an _________ from the immune system	back 27 attack
front 28 Seminiferous tubules consist of a thick __________ epithelium surrounding a central fluid-containing _______. The epithelium consists of ________ ___________ (____ formation) cells embedded in substantially large columnar cells call _____________.	back 28 squamous lumen spheroid spermatogenic cells sperm formation Sustentocytes

front 29 _________ cells form a smooth muscle-like layer (3 to 5) which contract. _______ cells may help to squeeze sperm and testicular fluids through the tubules and out of the testes	back 29 Myoid Cells
front 30 Lying in the soft connective tissue surrounding the seminiferous tubules are the ___________ _________ cells, also known (_______ cells). These cells produce androgens, also known as __________, which is the male sex hormone.	back 30 Interstitial endocrine cells (Interstitial Endocrinocytes) leydig cells Testosterone
front 31 Undescended testes is a problem called _________ which could cause cancer.	back 31 cryptorchidism
front 32 SPERM All sperm are _________, which means they contain half the full chromosome number. Sperm are produced by _________ sex cell division.	back 32 haploid meiosis

front 33 Diploid cells account _______ chromosomes (also known as __________ chromosomes). Haploid cells account ________ chromosomes (also known as __________ chromosomes).	back 33 46 homologous 23
front 34 ____________________ (Sperm formation) is the process that occurs in the seminiferous tubules of the testes that produces male gametes (______ or ___________). It begins at ___________ Every day _______ million sperm are produced.	back 34 Spermatogenesis sperm spermatozoa puberty 300 million
front 35 It takes ________ days to produce sperm from. It starts with ________ spermatocytes cells, forming _________ spermatocytes continue into meiosis II to _________ - small round cells with large spherical nuclei - compact DNA - and it is No Motile. turn into ________ or spermatozoon is formed	back 35 24 days Primary Secondary spermatids Sperm
front 36 Sperm consist of three main part which will subdivide:	back 36 Head Midpiece Tail

front 37 Head contain paternal _________. It has a ________ called the _________ which contains an enzyme called __________ which aids the sperm in penetrating into the _______.	back 37 DNA cap Acrosome Hyaluonidase oocyte
front 38 Midpiece contains ___________ which use the ______ fructose to produce ______ for locomotion	back 38 mitochondria sugar ATP
front 39 Tail is a __________ used to propel the ______ along its way.	back 39 flagellum sperm
front 40 Still in the testicle, next to the testis exists a "cup-like shaped" _____________ (means beside the testes) or _____________. This is a highly coiled tubule (____ft) It lies on the posterior border of the _________.	back 40 Epididymis upon twin 20 ft testicle

front 41 Epididymis is a section where sperm is _______ and under-go final ___________. This is a _______ from the testis which functions as a _______ area of sperm before __________ as well as an area of _____________	back 41 stored maturation duct storage ejaculation maturation
front 42 The tails of ______ require to _____ to _____ days for the tail to mature for motility.	back 42 sperm 10 14 days
front 43 Sperm are ejaculated from the _____________. Once stimulated an ____________ is caused by the _______ muscles of the epididymis contracts, expelling sperm into the next segment.	back 43 Epididymis ejaculation smooth muscle
front 44 To continue, the _________ _________, also known as Van Deferens, a tubule which carries sperm ______ from the epididymis toward the male _________. Ductus Deferens means __________	back 44 Ductus Deferens away urethra carrying away

front 45 Ductus Deferens is lined with ______ _________ with _________. Contains _________ muscle for ___________, which delivers sperm toward the urethra.	back 45 Columnar epithelium microvilli smooth peristalsis
front 46 Some men opt to take full responsability for birth control by having a ____________ which means "cut the vas". This procedure the physician makes a small incision into the scrotum and then cuts through and ligates or cauterizes each ____________.	back 46 vasectomy duct Diferens
front 47 Ductus Deferense goes upward through the ________ Cord, which is a connective tissue sheath enclosing :	back 47 Spermatic Cord Duct Deferens Testicular Artery Testicular veins Autonomic Nerves Lymphatic vessels Cremaster muscle
front 48 Cremaster muscle is made of :	back 48 Skeletal muscle

front 49 Spermatic cord travels upward through the __________ _______, which is a hole in the abdominal wall through which the spermatic cord passes. It is a weak spot in the _______ of the __________ which can tear open causing an _____________________-	back 49 Inguinal Canal floor abdomen inguinal hernia
front 50 The ductus deferens joins a duct from _________ vessicle and enters the prostate as the _____________	back 50 Seminal vessicle Ejaculatory Duct
front 51 An approximate 8"inches duct in length which empties the urinary bladder is called:___________ It transports urine and semen (at different times), so it serves both _________ and ___________ systems in the next three regions	back 51 Urethra Urinary Reproductive Prostatic Urethra Membranous Urethra Spongy Urethra
front 52 The portion of Urethra that passes through the prostate, and is about 1" in length, is called _________	back 52 Prostatic Urethra

front 53 ___________ urethra is aprox. .5" in length as it passes through the urogenital diaphragm. It is also known as	back 53 Membranous urethra Intermediate part of the urethra
front 54 __________ urethra is approx. 6" in length, and passes through the corpus spongiosum	back 54 Spongy urethra
front 55 _______________ is an enlargement of the distal end of the urethra in the area of the glans penis.	back 55 Navicular Fossa
front 56 _____________ ____________ _________ is the distal opening of the urethra.	back 56 External Urethral Orifice

front 57 Accessory Sex Glands secrete most of the ________ portion of __________	back 57 liquid semen
front 58 Accessory Sex Glands in males are:	back 58 seminal vesicle, prostate, bulbo urethral urethral glands.
front 59 _________________ lie on the posterior surface of the urinary bladder; they secrete a viscous, ___________ (pH) fluid rich in fructose.	back 59 Seminal Vesicle alkaline fluid.
front 60 The alkalinity helps to __________ the acidity of the _______ reproductive tract. The fructose is used by the mitochondria of the sperm to produce ________ to power the ____________.	back 60 neutralize female ATP flagellum

front 61 The ___________ or Prostatic gland is a single ___________ -shaped gland about the size of a _______ It is inferior to the __________ _________.	back 61 Prostate doughnut-shaped chestnut urinary bladder
front 62 It secretes a ______, slightly ______ fluid containing citric acid, and several ________ enzymes to coagulate the ________ shortly after ejaculation. It produces ____% of semen volume.	back 62 milky alkaline clotting semen 30%
front 63 _____________________ Gland is about the size of a ____; they secrete an _____________ fluid to neutralize the acidity of the male ________, and mucus which ___________ the urethra as well as serving as a lubricant during __________ intercourse. Procudes ___% of semen vol.	back 63 Bulbo urethral Gland pea alkaline urethra lubricate sex intercourse 5%
front 64 SEMEN Is a mixture of ________ and the secretions from the _________ _______. It is a volume of about ____ to ___ ml, with _____ to _____ million sperm per ml	back 64 sperm accessory glands 2.5 to 5 ml 50 to 150 million sperm

front 65 When the sperm count bring less than 20 million/ml sperm, it is considered _________	back 65 Steril
front 66 Sterility depend on:	back 66 number of sperm size and shape of the sperm presence of hyaluronidase to dissolve the hyaluronic acid around the ovum motility
front 67 Sperm is a transport medium to carry ________ and __________ acidity.	back 67 nutrients neutralizes
front 68 ________________ _________ is a natural antibiotic which destroys bacteria in the reproductive tract.	back 68 Seminal plastin

front 69 PENIS is the mail _________ organ. Functions in ________ and ___________.	back 69 copulatory urination copulation
front 70 Sex reproductive organs known as ___________ are not copulatory organs.	back 70 Gonads
front 71 _______ ___________ are two cylinders dorsolateral of tissue (at the top) of the penis.	back 71 Corpus cavernosa
front 72 _______ ___________ is one cylinder midventral of tissue, at the lower part of penis	back 72 Corpus Spongiosum

front 73 During sexual arousal, _________ which convey blood to the two corporal _________ undergo __________ and engorge these two cylinders of tissue with blood.	back 73 arteries cavernosa vasodilation
front 74 2- The __________ which drain blood from these two cylinders undergo _____________ and restrict blood from leaving the two cylinders	back 74 veins vasoconstriction
front 75 The result of these two cylinders filling with blood is called an ______________	back 75 erection
front 76 The corpus ____________ does not undergo this process due to the fact that it would __________ the urethra and not allow passage of the __________.	back 76 spongiosum close off sperm

front 77 The propulsion of the semen from the urethra to the exterior is called	back 77 ejaculation
front 78 _________ _________ or acorn, is the head of the penis.	back 78 Glans Penis
front 79 Foresink or __________ is a loose fitting flap of skin covering the glans	back 79 Prepuce
front 80 This flap of skin is remove during a process called	back 80 Circumcision