Embryology and Anatomy Flashcards
during the 5th week of embryonic life the ___ cord develops from_____?
this later forms the _________ ________?
nephro- genic cord develops from the mesoderm
wolffian duct
when does the vagina develop?
when does complete canalization occur?
9th week from mullerian origin
6/7th month
- genital tubercle —–
- genital folds —–
- genital swellings —–
clitoris
labia minora
labia majora
labia majora what tissues/
what glands
adipose tissue
sebaceous
sweat glands
few specialised apocrine glands
labia minora how does it differ from majora?
sebacaeous glands bur no adipose tissue
vagina - what type of cell?
posterior length
anterior length
stratified squamous epithelium
longer in the posterior wall - 9cm
than anteriorly 7 cm
normal commensal of vagina?
how does it keep vaginal pH
doderlein’s bacillus - glycogen broken down into lactic acid - pH of 4.5
does the vagina have any glands
nope
what supports the upper part of the vagina thus important in prolapse?
cardinal ligaments and uterosacral ligaments
how much does an adult uterus weigh?
70g
how is the uterus divided?
body
isthmus - constriction of isthmus is where the internal os (anatomically) is found
point where corpus joins cervix
cervix
layers of uterus
outer serous layer - peritoneum
middle muscular layer - myometrium
inner mucous layer - endometrium
pretoneum forms which ligament?
broad ligament
upper cervix cell type?
single columnar epithelium
ciliated (this is lost during pregnancy and menstruation)
capacity of bladder?
400ml
