Female Reproductive System Flashcards
what are these
fallopian tubes
arrow pointing to ciliated simple columnar epithelium
What is the name for the first menstrual period of a female in puberty?
menarche
How long is the average menstrual cycle?
21-34 days
What is the average range of onset of menopause?
45-55 years old
What is the name for gametogenesis in females?
oogenesis
What is the name for the developing gamete in females?
oocyte
What is the name for the mature gamete in females?
ovum
What are the two primary hormones involved in steroidogenesis in females?
estrogen and progesterone
What 3 functions does estrogen have in the female reproductive system?
promotes growth of sex organs
responsible for female sex characteristics
breast development
What 2 functions does progesterone have in the female reproductive system?
secretory changes in endometrium
promotes lobular proliferation
What are the three attachments of the ovary?
posterior surface
superior surface
inferior surface
What would you expect the surface of the ovary to be in a female in puberty?
semi-smooth
What would you expect the surface of an ovary to be in a female in a middle-aged woman?
rough due to scarring
What are the two distinct regions of the ovary?
cortex and medulla
What part of the ovary would blood vessels, lymphatic vessels, and nerves most likely to be found?
medulla
What type of cells is typically found in the germinal epithelium of ovary?
simple cuboidal
From what component of the ovary do most malignancies arise from?
epithelial surface
What is the name for the dense connective tissue layer that lies between the germinal epithelium and the cortex of the ovary?
tunica albuginea
When does the first ovulation occur in menstruating females?
puberty
What are the three major stages of follicle development in an ovary based on morphology?
primordial
growing
mature/graffian
At what month do primordial follicles start appearing in development?
3rd month of fetal development
Where in the mature ovary are the primordial follicles found?
cortex
What body is seen in primordial follicles of the ovary that represent an accumulation of Golgi membranes, ER, centrioles, mitochondria, and lysosomes?
balbiani body
What is the name of the foam extracellular coat found between the oocyte and follicle cells that secrete proteins?
zona pellucida
What is the secondary spermatozoa-binding protein produced by the zona pellucida?
ZP-3
What is the name for follicle cells in the stratum granulosum?
granuloma cells
What is the name of the connective tissue cells or sheath that form the thecal layers of the primary follicle?
theca folliculi
What component of the thecal folliculi possess LH hormone receptors and secrete androgens that are precursors to estrogen?
theca interna
What is a morphologic feature of the secondary follicle?
fluid antrum
What 3 factors are required for an oocyte and follicular growth?
follicle stimulating hormone (FSH)
growth factors
calcium ions
What is the name for a thickened mound of granulosa cells associated with the oocyte which projects into the antrum of a mature Graafian follicle?
cumulus oophorus
What is the name for the cells of the cumulus oophorus that immediately surround the oocyte and remain during ovulation?
corona radiata
What bodies may be seen between the granulosa cells that are PAS positive and are secreted by the granulosa cells?
call-exner bodies
What 5 morphologic changes does a mature Graafian follicle undergo to prepare for ovulation?
decreased mitotic activity of granuloma cells
space between granulosa cells enlarge
oocyte and cumulus cells loosen
cumulus cells form layer around oocyte
theca layer becomes more prominent
When does the first meiotic division of the primary oocyte occur after a LH surge?
after 12-24 hours
Which 2 cells in the ovary go through a luteinization and produce progesterone?
granulosa and thecal cells
What is the name for the area of the germinal epithelium that becomes elevated and then ruptures?
macula pellucida
Where is the most common place for an ectopic pregnancy to occur?
fallopian tube
What is the purpose of polar bodies in oogenesis?
eliminate half of diploid chromosomes
How long can the 1st meiotic prophase be arrested for in oogenesis?
12-50 years
When is the 2nd oocyte arrested in oogenesis?
just before ovulation
What is the name of the process where granulosa cells and theca interna layers differentiate into granulosa luteal cells and theca luteal cells, demonstrating an increase in size and lipid droplets?
luteinization