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60 Cards in this Set

  • Front
  • Back
gametes
sex cells, produced by each parent
zygote
fertilized egg combination of both parents
Primary sex organs
produce gametes (testes or ovaries)
Secondary sex organs
organs other than the gonads that are necessary for reproduction male (system of ducts, glands)
female reproductive (uterine tubes, uterus and vagina)
external genitalia
located in the perineum most are externally visable
x
carries sperm fetilizes the egg female
y
carrying sperm fertilizes the egg male
gubernaculum
a connective tissue cord extends from the gonad to the floor of the pelvic cavity
inguinal hernia
most common site of herniation in boys and men
cryptorchidism
boys born with undescended testes
scrotum
pouch of skin muscle and fibrous connective tissue containing testes
spermatic cord
bundle of fibrous connective tissue containing the ductus deferens, blood and lymphatic vessels and testicular nerve
cremaster muscle
strips of the internal abdominal oblique muscle
testies
combined endorcine and exocrine gland that produce sex hormones and sperm
Tunica albuginea
white fibrous capsule on testes
seminiferous tubules
sperm production, each tubule lined with thick germinal epithelium for sperm generation
intersitital (Leydig) cells
bettween tubules produce testosterone
sustenacular (sertoli) cells
protect germ cells and promote their development, cells depend on them for nutrients and waste removal growth factors and other needs
Efferent ductules
12 small ciliated ducts collecting sperm from rete testes and transports to epididymis
Ductus (vas) deferens
muscular tube passing up from scrotum through inguinal canal to posterior surface of bladder
Gonadotropin Realsing hormone GnRH
Screte follicle stimulating hormone FSH
Luteinizing hormone
Sprematogenesis
process of sperm production in seminferous tubules
Mitosis
a body cell doubles its DNA and then divides to produce two genetically identical daughter cells
Meiosis
produces four gametes (haploid cells) each with only half the DNA of the diploid body cells
Prostate
produces a thin milky fluid contains calcium citrate and phosphate ions
Female reproductive system
Produces delivers gametes
provides nutrition and safe harbor for fetal developement
give birth
nourishes infant
Ovaries
Female gonads that produce egg cells and sex hormones
ovulation
bursting of the follicle and realeasing the egg
Uterus
thick muscular chamber that opens into roof of the vagina
Lumen
is roughly triangular upper two corners openings to uterine tube
Cervical canal
connects lumen to vagina
internal os
superior opening of canal into body of uterus
external os
inferior opening of canal into vagina
cervical glands
secerte mucus that prevents spread of microorganisms from vagaina into uterus
perimtrium
external serosa layer
myometrium
middle muscular layer
endometrium
inner mucosa
stratum fuctionalis
superficial half shed each menstrual period
stratum basalis
deep layer, stays behind and regenerates a new stratum functionalis with each menstrual cycle
metaplasia
the transformation of one tissue type to another
mons pubis
mound of fat over pubic symphysis bearing most of pubic hair
labia majora
pair of thick folds of skin and adipose tissue inferior to the mons
labia minora
medial to labia majora are thin hairless folds
mammary gland
developes within the breast during pregnacy
system of ducts
branching through fibrous stroma and converging on the nipple
FSH
stimulates developing ovarian follicles and they begin to secrete estrogen, progesterone, and small amount of androgen
Estrogens
feminizing hormones with widespread effects on the body
thelarche
onset of breast developement is the earilest noticeble sign of puberty
Pubarche
apperance of pubic and axillary hair, subaceous glands and axillary glands
menarche
first menstrual peroid
estradiol
stimulates vaginal metaplasia, stimulates a surge of LH and lesser spike of FSH by anterior pituitary
proesterone
primarily acts on the uterus preparing for possible pregnancy second half of the menstrual cycle
climacteric
midlife change in hormone secretion menopause cessation of menstruation
Mensturation
occurs during first 3 to 5 days of cycle
corpus luteum luteal phase
stimulates endometrial secretion and thickening
ovarian cycle
follicular phase, ovulation, and luteal phase
follicular phase
extends from beginning of menstruation until ovulation
Human chronionic gonadotropin (HCG)
secreted by blastocyst and placenta stimulates growth of corpus luteum
Posterior pituitary Oxytocin
promotes labor in two ways, directly stimulates muscles of myometrium, stimulates fetal membranes to produce prostaglandins
Positive feedback theory of labor
stretching of cervix, triggers a reflex contraction of uterine body