Chapter 27

Question 0

Is a milky white, somewhat sticky mixture of sperm, testicular fluid, and accessory gland secretions.

Answer 0

Semen

Question 1

Are pea-sized glands located inferior to the prostate in the urogenital diaphragm?

Answer 1

Bulbourethral glands

Question 2

The normal chromosome number in most body cell is the ___ ___ __ of the organism, symbolized as 2n.

Answer 2

Diploid chromosomal number

Question 3

___ is the sequence of events in the seminiferous tubules of the testes that produces male gametes.

Answer 3

Spermatogenesis

Question 4

The diploid chromosomal number is _

Answer 4

46

Question 5

Diploid cells contains 23 pairs of similar chromosomes called

Answer 5

Homologous chromosomes

Question 6

The number of chromosomes in human gametes is ____ referred to as the _____ _____ _____ or n.

Answer 6

23

Haploid chromosomal number

Question 7

What is the copulatory organ designed to deliver sperm into the female reproductive tract called?

Answer 7

Penis

Question 8

Gamete formation in both sexes involves _____ a unique kind of nuclear division that for most part occurs only in the gonads.

Answer 8

Meiosis

Question 9

Enlargement and stiffening of the penis, results from engorgement of the erectile bodies with blood? (Parasympathetic control)

Answer 9

Erection

Question 10

Is the propulsion of semen from the male duct system. (Sympathetic control)

Answer 10

Ejaculation

Question 11

Is a single doughnut shaped gland about the size of a peach pit?

Answer 11

Prostate

Question 12

_____ Is the terminal portion of the male duct system. It conveys both urine and semen.

Answer 12

Urethra

Question 13

The cup shaped _____, head contains the efferent ductules caps the superior aspect of the testis.

Answer 13

Epididymis

Question 14

Runs upward as part of the spermatic cord from the epididymis through the inguinal canal into the pelvic cavity.

Answer 14

Ductus deferens or vas deferens

Question 15

Lie on the posterior bladder surface? (70% of the volume of semen)

Answer 15

Seminal glands

Question 16

________ contains mitochondria spiral tightly around the microtubules of the tail?

Answer 16

Midpiece

Question 17

_____ _____ include the paired seminal glands, and bulbourethral glands, and the single prostate.

Answer 17

Accessory glands

Question 18

Extends from the basil lamina to their tight junctions and contains spermatogonia and the earliest primary spermatocytes?

Answer 18

Basal compartment

Question 19

Make up most of the penis and are bound by the fibrous tunica albuginea. Their proximal end form the crura of the penis. (Paired dorsal erectile bodies)

Answer 19

Corpora cavernosa

Question 20

The tight junctions between the sustenocytes form the what?

Answer 20

Blood testis barrier

Question 21

The skin covering the penis is loose and when it slides distally if forms a cuff called??

Answer 21

Prepuce or foreskin

Question 22

A layer of smooth muscle in the superficial fascia, wrinkled the scrotal skin?

Answer 22

Dartos muscle

Question 23

________ suspends the scrotum and contains the root of the penis and the anus “it is the diamond shaped region located between the public symphysis anteriorly”

Answer 23

Perineum

Question 24

Bands of skeletal muscle that arise from the internal oblique muscles of the trunk, elevate the testes?

Answer 24

Cremaster muscles

Question 25

The sperm producing _____ lie within the scrotum.

Answer 25

Testes (male gonads)

Question 26

A sac of skin and superficial fascia that hangs outside the abdominopelvic cavity at the root of the penis.

Answer 26

Scrotum

Question 27

__ __ are steroid hormones secreted by gametes.

Answer 27

Sex hormones

Question 28

Are the tested in male and ovaries in females.

Answer 28

Gonads

Question 29

Ducts, glands, and external genitalia are the?

Answer 29

Accessory reproductive organs

Question 30

Lying in the soft connective tissue surrounding the seminiferous tubules are the? (Produce androgens)

Answer 30

Interstitial endocrine cells (leydig cells)

Question 31

Sperm can be produced at ___ than the body temperature.

Answer 31

3degrees C

Question 32

The __ __ derived from the peritoneum and surrounds each of the testes.

Answer 32

Tunica vaginalis

Question 33

Septa divide the testis into a 250-300 lobules, each containing 1-4 __ __

Answer 33

Seminiferous tubules

Question 34

The epithelium consist of sphenoid __ __. (Sperm forming)

Answer 34

Spermatogenic cells

Question 35

The surgical removal of the prepuce is ___

Answer 35

Circumcision

Question 36

Encloses nerve fibers blood vessels and lymphatics that supply the testis

Answer 36

Spermatic cord

Question 37

Blood supply comes from testicular _____ & _____

Answer 37

Arteries | Veins

Question 38

Sperm are delivered to the exterior through a system of _____

Answer 38

Ducts

Question 39

Enzymes that allow sperm to penetrate the egg are located in the ______ of the sperm cell

Answer 39

Acrosome

Question 40

The testicular cells that construct the blood testis barriers are the?

Answer 40

Sustenocytes

Question 41

The release of ______ encourages interstitial endocrine to release _____

Answer 41

Lh | Testosterone

Question 42

Which is housed within the spermatic cord?

Answer 42

Testicular artery and veins

Question 43

At what point During meiosis do homologous chromosomes pair up?

Answer 43

Prophase 1

Question 44

Sperm is produced in the ______ __ of the testes

Answer 44

Seminiferous tubules