rep pg. 1&2

genital system

other term for reproductive system?

reproductive system

Responsible for reproduction or procreation, the production of a new individual

reproductive system

Ensures perpetuation or continuation of the human species through sexual reproduction

reproductive system

Responsible for gametogenesis

spermatogenesis

Production of male gametes

oogenesis

Production of female gametes

reproductive system

Produce hormones responsible for anatomical and physiological differences between the sexes

23

how many chromosomes if haploid?

46

how many chromosomes if diploid?

sperm cell (spermatozoon)

male gamete is what?

egg cell (ovum)

female gamete is what?

fertilization

Union of a sperm cell and an ovum

fertilization

Produces a zygote (fertilized ovum)

diploid

The zygote is ???? because it inherits chromosomes from both gametes

zygote, embryo, fetus

what are the stages of human development?

zygote

Undergoes cleavage (mitotic divisions) and soon becomes an embryo

embryo

Developing human from implantation to the end of the 8th week after fertilization

fetus

Developing human from the end of the 8th week after fertilization until birth

penis testes suspended in a fibroblasts, scrotum

in male reproductive system external genitalia includes what?

tubuli rect, rete testis, ductuli efferentes, ductus epididymis, ductus deferens

in male reproductive system excretory ducts includes what?

seminal vesicles, prostate, bulbourethal glands

accessory glands in male reproductive system includes what?

penis

Responsible for both urination and sexual intercourse

penis, 2 corpora cavernosa, 1 unpaired corpus spongiosum

it consist of 3 cylindrical bodies: what are these?

unpaired corpus spongiosum

These cylindrical bodies forms the shaft of the penis

tunica albuginea

The shaft is surrounded by a thick fibrous capsule called the "????" and is covered by skin

corpora cavernosa

Form the dersal 2/3 of the shaft of the penis

corpora cavernosa

Made of erectile tissue with sponge-like irregular vascular spaces

corpora spongiosum

Occupies the shallow groove between the lower surfaces of the corpora cavernosa

corpora spongiosum

Contains the penile urethra running longitudinally through it

corpora spongiosum

Ends at the external urethral meatus in the glans penis

glans penis

Consists of dense CT containing a plexus of large anastomosing veins with both circular and longitudinal smooth muscles in their walls

prepuce

Skin covering glans penis

foreskin

other term for prepuce?

prepuce

is thin and contains an abundant subcutaneous layer with smooth muscles

prepuce

it lacks adipose tissue

testes

Ovoid, 4-5 cm x 2.5 cm

testes

average weight of testes?

testes

Develop early in embryonic life in the abdominal cavity and later descend into the scrotum

scrotum

Sac-like structure that houses the testicles

testes

During descent, they carry an out-pocketing of the peritoneum called the "tunica vaginalis testis”

tunica vaginalis testis

During descent, they carry an out-pocketing of the peritoneum called the "????”

exocrine organ, endocrine organ

testes function as what?

endocrine organ

Production of testosterone

exocrine organ

Production of spermatozoa

testosterone

Synthesized by interstitial cells of Leydig located in the interstitium between seminiferous tubules

testosterone

Production is stimulated by luteinizing hormone (LH) from the anterior pituitary

testosterone

Main male sex hormone (androgen)

testosterone

Crucial for fertility

testosterone

Sustains spermatogenesis in the seminiferous tubules

testosterone

Maintains function of accessory glands

testosterone

Responsible for development and maintenance of male secondary sexual characteristics

testosterone

Promotes puberty and male sexual maturation