BIO 169 Test -- Reproductive Systems, Pregnancy
Development, Inheritance and Genetics Exam
Questions Solved 100% Correct |Verified Solutions
site of mixing sperm and contribution of seminal vesicles - ✔✔ejaculatory duct
urethra has two functions: - ✔✔passageway for urine and semen
secretes additional fluid into prostatic urthera - ✔✔prostate gland
prostate gland ___ of semen - ✔✔1/3
small; located lateral to membranous urethra and secretes thick, clear fluid that precedes
ejaculation; flushes spongy urethra and lubricates head of penis - ✔✔bulbourethral glands
3 types of urethra: - ✔✔-spongy/penile
- prostatic
-membranous
delivers sperm to female reproductive tract - ✔✔penis
during early fetal development - ✔✔testes form in areas near kidneys
spermatic cord composed of CT, muscle, and - ✔✔ductus deferens and vessels, and nerves
passes thru inguinal canal - ✔✔spermatic cord
,as the fetus grows the CT band does not lengthen, what does it do to testes? - ✔✔pull the
forward towards scrotum
late in fetal development, hormones cause CT bands to do what through the inguinal canal into
scrotum - ✔✔shorten and pull testes
testes and epididymides are separated by - ✔✔septum
testes and epididymides are separated by septum and surrounded by - ✔✔paired folds of
peritoneum
spermatogenesis occurs at - ✔✔~34 degree celcius
failure of the testes to descend into scrotum - ✔✔cryptorchidism
cryptorchidism leads to - ✔✔infertility
failure of the testes to descend does not affect what hormone? - ✔✔testosterone
for properly descended testes, two sets of muscles relax and contract in order to -
✔✔maintain appropriate scrotal temperature
covers testes and spermatic cord within scrotum - ✔✔cremaster muscle
within wall of scrotum - ✔✔dartos muscle
testes are covered by fibrous CT capsule called the - ✔✔tunica albuginea
,internal extensions of CT capsule ____ divide testis - ✔✔septa
the septa divides the testes into ____ lobules - ✔✔~250
each lobule of testis contains ____ seminiferous tubules - ✔✔1-4
site of spermatogenesis - ✔✔seminiferous tubules
seminiferous tubules converge to form maze-like - ✔✔rete testis
rete testis connected to ____ by multiple efferent ductules - ✔✔epididymis
immature sperm produced in seminiferous tubules move into head of ________ -
✔✔epididymis
as sperm mature they pass through the body and then into the tail for storage until -
✔✔ejaculation
maturation of sperm take ____ days - ✔✔20
transports sperm from epididymis to ejaculatory duct via peristalsis - ✔✔ductus deferens or
vas deferns
site of spermatogenesis; surrounded by muscle like cells that contract to slowly propel sperm
through tubules - ✔✔seminiferous tubules within testes
filler cells that produce hormones; formerly Leydig cells that fill spaces between seminiferous
tubules as they produce and secrete male sex hormones - ✔✔interstitial endocrine cells
, male and female reproductive systems work together to - ✔✔procreate
production of offspring ensures - ✔✔survival of species
reproductive system of both sexes includes - ✔✔gonads and accessory organs
organs responsible for production of gametes and hormones and accessory organs -
✔✔gonads
male gonads are - ✔✔testes
female gonads are - ✔✔ovaries
ductus deferens, seminal glands/vesicles, prostate gland, urethra, epididymides, external
genitalia (penis and scrotum) are all - ✔✔male accessory organs
uterine tubes, uterus, vagina, external genitalia (clitoris & labia) and mammary glands are all -
✔✔female accessory organ
The testes produce male gametes called - ✔✔sperm
testes also produce male sex hormones called - ✔✔androgens
external pouch that houses testes and epididymides; divided internally into two compartments
by septum - ✔✔scrotum
scrotum is divided into two compartments by - ✔✔septum
Development, Inheritance and Genetics Exam
Questions Solved 100% Correct |Verified Solutions
site of mixing sperm and contribution of seminal vesicles - ✔✔ejaculatory duct
urethra has two functions: - ✔✔passageway for urine and semen
secretes additional fluid into prostatic urthera - ✔✔prostate gland
prostate gland ___ of semen - ✔✔1/3
small; located lateral to membranous urethra and secretes thick, clear fluid that precedes
ejaculation; flushes spongy urethra and lubricates head of penis - ✔✔bulbourethral glands
3 types of urethra: - ✔✔-spongy/penile
- prostatic
-membranous
delivers sperm to female reproductive tract - ✔✔penis
during early fetal development - ✔✔testes form in areas near kidneys
spermatic cord composed of CT, muscle, and - ✔✔ductus deferens and vessels, and nerves
passes thru inguinal canal - ✔✔spermatic cord
,as the fetus grows the CT band does not lengthen, what does it do to testes? - ✔✔pull the
forward towards scrotum
late in fetal development, hormones cause CT bands to do what through the inguinal canal into
scrotum - ✔✔shorten and pull testes
testes and epididymides are separated by - ✔✔septum
testes and epididymides are separated by septum and surrounded by - ✔✔paired folds of
peritoneum
spermatogenesis occurs at - ✔✔~34 degree celcius
failure of the testes to descend into scrotum - ✔✔cryptorchidism
cryptorchidism leads to - ✔✔infertility
failure of the testes to descend does not affect what hormone? - ✔✔testosterone
for properly descended testes, two sets of muscles relax and contract in order to -
✔✔maintain appropriate scrotal temperature
covers testes and spermatic cord within scrotum - ✔✔cremaster muscle
within wall of scrotum - ✔✔dartos muscle
testes are covered by fibrous CT capsule called the - ✔✔tunica albuginea
,internal extensions of CT capsule ____ divide testis - ✔✔septa
the septa divides the testes into ____ lobules - ✔✔~250
each lobule of testis contains ____ seminiferous tubules - ✔✔1-4
site of spermatogenesis - ✔✔seminiferous tubules
seminiferous tubules converge to form maze-like - ✔✔rete testis
rete testis connected to ____ by multiple efferent ductules - ✔✔epididymis
immature sperm produced in seminiferous tubules move into head of ________ -
✔✔epididymis
as sperm mature they pass through the body and then into the tail for storage until -
✔✔ejaculation
maturation of sperm take ____ days - ✔✔20
transports sperm from epididymis to ejaculatory duct via peristalsis - ✔✔ductus deferens or
vas deferns
site of spermatogenesis; surrounded by muscle like cells that contract to slowly propel sperm
through tubules - ✔✔seminiferous tubules within testes
filler cells that produce hormones; formerly Leydig cells that fill spaces between seminiferous
tubules as they produce and secrete male sex hormones - ✔✔interstitial endocrine cells
, male and female reproductive systems work together to - ✔✔procreate
production of offspring ensures - ✔✔survival of species
reproductive system of both sexes includes - ✔✔gonads and accessory organs
organs responsible for production of gametes and hormones and accessory organs -
✔✔gonads
male gonads are - ✔✔testes
female gonads are - ✔✔ovaries
ductus deferens, seminal glands/vesicles, prostate gland, urethra, epididymides, external
genitalia (penis and scrotum) are all - ✔✔male accessory organs
uterine tubes, uterus, vagina, external genitalia (clitoris & labia) and mammary glands are all -
✔✔female accessory organ
The testes produce male gametes called - ✔✔sperm
testes also produce male sex hormones called - ✔✔androgens
external pouch that houses testes and epididymides; divided internally into two compartments
by septum - ✔✔scrotum
scrotum is divided into two compartments by - ✔✔septum
