The Male Reproductive System

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Male Reproductive System
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1

_____________ is the production of a new individual for the propagation of the species.

Reproduction

2

Reproduction slumbers until ___________

puberty

3

___________ ___________ organs, or Gonads (________) are called _______ in males and __________ in female.

  • The primary sex organ
  • seeds
  • testis
  • ovaries
4

Gonads are responsable for the production of _________, (or _________) and ___________.

  • sex cells
  • gametes
  • sex hormones
5

Gonads have both __________ and ____________ functions

  • Exocrines
  • Endocrines
6

___________ function refers to ducts for production of and transport of gametes

Exocrine

7

Endocrine function refers to secretion of _________ __________

  • sex hormones
8

Female sex hormones are

  • Estrogens
  • Progesterone
9

Male sex hormone is

Testosterone

10

The Haploid reproductive sex cells from :

  • Male
  • Female
  • Sperm
  • Ova
11

The Male Reproductive System role is to manufacture male gametes called ________ and deliver them to the ________ reproductive tract. where __________ can occur.

  • Sperm
  • female
  • fertilization
12
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The sperm-producing ______ or male _______ (seed), lie within the ___________.

card image
  • testis
  • gonad
  • scrotum
13

___________ , which means "pouch" is a sack of ______ and _______ ________ that hangs outside the abdominopelvic cavity at the root of the penis.

  • Scrotum
  • skin
  • Superficial facia
14

Scrotum is covered with _______ and contains paired oval __________

  • hair
  • Testes
15
  • Scrotum is affected by ________________.
  • The superficial location of the scrotum, which provides a temperature about ____ ºC lower, is an essential adaptation for ________ production.
  • Temperature
  • 3ºC lower
  • Sperm
16

Scrotum is formed of 3 main parts:

  1. Superficial fascia, which contain
    • Dartos muscles
  2. Skin
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 ___________
  • 2
  • testes
  • septum of scrotum
  • Raphae
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.

  • dartos muscles
  • septum
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 ______

  • Cremaster Muscle
  • Cremaster
  • lower
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.

Sperm

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.
  • Testes
  • 10 to 15 grams
  • 1.5 cm
  • 2.5 cm
  • 2
22

Tunica _________ is an out-pocketing of the parietal peritoneum which becomes a serous covering of the testicle.

Vaginalis

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).

  • albuginea
  • septa
  • lobules
  • 200 to 300 lobules
24

Lobules contain _________ tubules which produce ________ by spermatogenesis.

  • seminiferous tubules
  • sperm
25
  • Seminiferous tubule are ______, highly ______ tubules which occupy the _________.
  • These tubules are the ______ of sperm production.
  • long
  • coiled
  • lobules
  • site
26
  • They contain Sustentacular (__________) or _______ cells, which secrete ________ to protect the developing ____________ from the male ________ system and nutrients.
  • Sustentocytes
  • Sertoli cells
  • inhibin
  • spermatozoa
  • Immune
27

Excess sperm would cause an _________ from the immune system

attack

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 _____________.
  • squamous
  • lumen
  • spheroid spermatogenic cells
  • sperm formation
  • Sustentocytes
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

  • Myoid Cells
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.

  • Interstitial endocrine cells (Interstitial Endocrinocytes)
  • leydig cells
  • Testosterone
31

Undescended testes is a problem called _________ which could cause cancer.

cryptorchidism

32
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SPERM

All sperm are _________, which means they contain half the full chromosome number.

Sperm are produced by _________ sex cell division.

  • haploid
  • meiosis
33

Diploid cells account _______ chromosomes (also known as __________ chromosomes).

Haploid cells account ________ chromosomes (also known as __________ chromosomes).

  • 46
  • homologous
  • 23
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.
  • Spermatogenesis
  • sperm
  • spermatozoa
  • puberty
  • 300 million
35

It takes ________ days to produce sperm from.

  1. It starts with ________ spermatocytes cells, forming
  2. _________ spermatocytes continue into meiosis II to
  3. _________ - small round cells with large spherical nuclei - compact DNA - and it is No Motile. turn into
  4. ________ or spermatozoon is formed
  • 24 days
  • Primary
  • Secondary
  • spermatids
  • Sperm
36

Sperm consist of three main part which will subdivide:

  1. Head
  2. Midpiece
  3. Tail
37
  • Head contain paternal _________.
  • It has a ________ called the _________ which contains an enzyme called __________ which aids the sperm in penetrating into the _______.
  • DNA
  • cap
  • Acrosome
  • Hyaluonidase
  • oocyte
38

Midpiece contains ___________ which use the ______ fructose to produce ______ for locomotion

  • mitochondria
  • sugar
  • ATP
39

Tail is a __________ used to propel the ______ along its way.

  • flagellum
  • sperm
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 _________.
  • Epididymis
  • upon twin
  • 20 ft
  • testicle
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 _____________
  • stored
  • maturation
  • duct
  • storage
  • ejaculation
  • maturation
42

The tails of ______ require to _____ to _____ days for the tail to mature for motility.

  • sperm
  • 10
  • 14 days
43

Sperm are ejaculated from the _____________.

Once stimulated an ____________ is caused by the _______ muscles of the epididymis contracts, expelling sperm into the next segment.

  • Epididymis
  • ejaculation
  • smooth muscle
44

To continue, the _________ _________, also known as Van Deferens, a tubule which carries sperm ______ from the epididymis toward the male _________.

Ductus Deferens means __________

  • Ductus Deferens
  • away
  • urethra
  • carrying away
45
  • Ductus Deferens is lined with ______ _________ with _________.
  • Contains _________ muscle for ___________, which delivers sperm toward the urethra.
  • Columnar epithelium
  • microvilli
  • smooth
  • peristalsis
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 ____________.

  • vasectomy
  • duct Diferens
47

Ductus Deferense goes upward through the ________ Cord, which is a connective tissue sheath enclosing :

  • Spermatic Cord
    • Duct Deferens
    • Testicular Artery
    • Testicular veins
    • Autonomic Nerves
    • Lymphatic vessels
    • Cremaster muscle
48

Cremaster muscle is made of :

Skeletal muscle

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 _____________________-

  • Inguinal Canal
  • floor
  • abdomen
  • inguinal hernia
50

The ductus deferens joins a duct from _________ vessicle and enters the prostate as the _____________

  • Seminal vessicle
  • Ejaculatory Duct
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

  • Urethra
  • Urinary
  • Reproductive
    • Prostatic Urethra
    • Membranous Urethra
    • Spongy Urethra
52

The portion of Urethra that passes through the prostate, and is about 1" in length, is called _________

Prostatic Urethra

53

___________ urethra is aprox. .5" in length as it passes through the urogenital diaphragm.

It is also known as

  • Membranous urethra
  • Intermediate part of the urethra
54

__________ urethra is approx. 6" in length, and passes through the corpus spongiosum

Spongy urethra

55
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_______________ is an enlargement of the distal end of the urethra in the area of the glans penis.

Navicular Fossa

56

_____________ ____________ _________ is the distal opening of the urethra.

External Urethral Orifice

57

Accessory Sex Glands secrete most of the ________ portion of __________

  • liquid
  • semen
58

Accessory Sex Glands in males are:

  • seminal vesicle,
  • prostate,
  • bulbo urethral
  • urethral glands.
59

_________________ lie on the posterior surface of the urinary bladder; they secrete a viscous, ___________ (pH) fluid rich in fructose.

  • Seminal Vesicle
  • alkaline fluid.
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 ____________.

  • neutralize
  • female
  • ATP
  • flagellum
61
  • The ___________ or Prostatic gland is a single ___________ -shaped gland about the size of a _______
  • It is inferior to the __________ _________.
  • Prostate
  • doughnut-shaped
  • chestnut
  • urinary bladder
62

It secretes a ______, slightly ______ fluid containing citric acid, and several ________ enzymes to coagulate the ________ shortly after ejaculation.

It produces ____% of semen volume.

  • milky
  • alkaline
  • clotting
  • semen
  • 30%
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.

  • Bulbo urethral Gland
  • pea
  • alkaline
  • urethra
  • lubricate
  • sex intercourse
  • 5%
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

  • sperm
  • accessory glands
  • 2.5 to 5 ml
  • 50 to 150 million sperm
65

When the sperm count bring less than 20 million/ml sperm, it is considered _________

Steril

66

Sterility depend on:

  1. number of sperm
  2. size and shape of the sperm
  3. presence of hyaluronidase to dissolve the hyaluronic acid around the ovum
  4. motility
67
  • Sperm is a transport medium to carry ________ and __________ acidity.
  • nutrients
  • neutralizes
68

________________ _________ is a natural antibiotic which destroys bacteria in the reproductive tract.

  • Seminal plastin
69

PENIS is the mail _________ organ. Functions in ________ and ___________.

  • copulatory
  • urination
  • copulation
70

Sex reproductive organs known as ___________ are not copulatory organs.

Gonads

71

_______ ___________ are two cylinders dorsolateral of tissue (at the top) of the penis.

Corpus cavernosa

72

_______ ___________ is one cylinder midventral of tissue, at the lower part of penis

Corpus Spongiosum

73
  1. During sexual arousal, _________ which convey blood to the two corporal _________ undergo __________ and engorge these two cylinders of tissue with blood.
  • arteries
  • cavernosa
  • vasodilation
74

2- The __________ which drain blood from these two cylinders undergo _____________ and restrict blood from leaving the two cylinders

  • veins
  • vasoconstriction
75

The result of these two cylinders filling with blood is called an ______________

erection

76

The corpus ____________ does not undergo this process due to the fact that it would __________ the urethra and not allow passage of the __________.

  • spongiosum
  • close off
  • sperm
77

The propulsion of the semen from the urethra to the exterior is called

ejaculation

78

_________ _________ or acorn, is the head of the penis.

Glans Penis

79

Foresink or __________ is a loose fitting flap of skin covering the glans

Prepuce

80

This flap of skin is remove during a process called

Circumcision