Applied Embryology Flashcards
the female hormonal cycle coordinates ovulation and ___________ preparation
follicular oestradiol stimulates endometrial __________
rising levels eventually trigger ________
progesterone promotes development of the endometrial glands to prepare for _________
there is an __________ window
endometrial
thickening
ovulation
implantation
implantation
what are the three esential components required for conception?
an egg
a sperm
a pathway
how long cna sperm survive?
hwo long can the occyte survive?
sperm = 5 days
oocyte = 24 hours
what is the process of sperm getting into the egg?
it is psobbile for multiple pserm to get into an egg
what is the process of early embryo development?
morula - early-stage embryo consisting of 16 cells (called blastomeres) in a solid ball contained within the zona pellucida
blastocyte - 2 distict cell groups, outer layer which is the trophoblast or the inner cell mass
day 6 - blasocyst implants into the endometrium
what is placentation? and what is its functions?
placentation refers to the formation, type and structure, or arrangement of the placenta
placentation part 2
what happens in ebryo development in days 12-23?
the primitive streak forms at the _______ end of the embryo
what is its function
caudal
orientation of the embryo
at either end of the embryo there are two small areas without any mesoderm, what are they called?
buccopharyngeal membrane
the cloacal membrane
what does the ectoderm, mesoderm and the endoderm give rise to?
what is the process of the neural tube forming?
what are the three parts of the mesoderm
what does the paraxial mesoderm form?
what does the intermediate and lateral mesoderm give rise to?
what happens in the 3rd and 4th week of embryo development
what happens in week 4 and 5 of embryo development
what happens in week 6 and 7 of embryo development?
what happens in weke 8 of embryo development?
what are the two reasons that multiple pregnancies happen?
where does the urinary tract develop?
in the intermediate mesoderm
there are three stages of development during the development of the kidneys, what are they and where do they drian?
what does the mesonephros go on to form in males and females?
males - vas deferens
females - disspears
what is the development of the bladder?
what is the process of sex determinartion?
what is the process of migration of the primordial germ cells?
what is the process of development of the indifferent gonad?
what is the process of developemnt of the testis?
what is the process of the development of the ovary?
there are two sets of genital ducts:
mesonephric duct and parmesonephric duct
what determines if they stay or not?
presence or absence of AMH determines which develops and which regresses
in the male the presence of AMH causes the paramesonephric ducts to regress and these do not form any part of the adult
describe the development of the uterus, fallopian tubes and ovaries
when does descent of the testis occur?
what is the first step of developmentof the external genitalia?
what is the development of external genitalia in men?
what is the development of external genitalia in women?
ASRM classification of congenital defects of the female reproductive tract
ESHRE classification
more modern
congenital defects of the femalereproductive tract - what are some further types of anomalys?
Conclusion
