EMB 2 placenta and fetal membranes

Question 1

placenta and fetal membranes

fetal include? (5)

placenta is a? 2 components?

what happens at placenta?

Answer 1

Question 2

potency?

expression of cell lineage specific ______ begins in this. _________ goes to embryo and _________ extraembryonic tissue.

implantation occurs and ______ goes to _________

extraembrionic structures? (4)

Answer 2

Question 3

what is this?

layer of what? does what during parturition?

3 types?

what are each?

decidual reaction?

stain how? with what accumulation?

Answer 3

Question 4

implantation

completed in what week?

trophoblast contacts endometrium, differentiates into: (2) outer layer invade and displace what?

________ produces ________ which enters _______ via ________

syncytium?

Answer 4

Question 5

summary of implantation

implantation begins? completed?

zona pellucida _____ day _ due to?

blastocyst adheres to? day _

trophoblast differentiates into? day _

appear in syncytiotrophoblast ? day _

lacunar networks form by?

synchytiotrophoblast erodes? allowing?

primary develop

Answer 5

Question 6

ectopic pregnancy

what is it?

most occur where?

signs?

hCG?

Answer 6

Question 7

development of the amnion

amnion (_____): what is it?

primordial uteroplacental circulation?

amnioblasts: seprate from? —> enclose?

Answer 7

Question 8

amnion will eventually obliterate what?

forms what part of umbilical cord?

Answer 8

Question 9

amniotic fluid

functions?

derived from?

water content? via?

fetal urinary system?

Answer 9

Question 10

disorders of fluid volume? (2)

H- what is it? causes? clinical signs?

O- what is it? problems with? this decrease causes/

Answer 10

Question 11

the chorionic sac

extraembryonic mesoderm from? surrounds?

will seperate and split ____ into ____ layers

seperated by _______ _______ which is?

Answer 11

Question 12

chorionic sac

extraembryonic _____ mesoderm (2)

where are each located?

amnion and umbilical vesicle are attached to chorion via?

chorionic sacs made up of? ____+_____+_____+_____

secondary yolk sac?

Answer 12

Question 13

development of the placenta

characterized by rapid what?

parts? (2)

chorionic villi attach to _______ through ______ ____?

arteries?

Answer 13

Question 14

villi project into what space? exposed to?

maternal part?

circulation?

cytotrophoblastic shell?

Answer 14

Question 15

chorionic villi

appear by end of?

____ processes that grow into ______

form?

projections from? (what stage of placental development?)

Answer 15

Question 16

primary chorionic villi cover sac until?

degenerate because of? will leave?

villi associated with ____ rapidly increase?

form?

Answer 16

Question 17

structure of chorionic villus

originates from? and derives from?

fetal vessels are separated from maternal blood in the?

each villus has core of?

Answer 17

Question 18

primary villi?

secondary?

tertiary?

Answer 18

Question 19

chorionic villi invade the _____ and erode decidual tissue forming?

erosion produces?

cotyledons?

stem/anchoring villi?

branch villi?

Answer 19

Question 20

preeclampsia

Answer 20

Question 21

decidua capsularis forms capsule covering?

erbryo/fetus enlarges- decidua capsularis?

thins and fuses with? this obliterates?

Answer 21

Question 22

capsularis degenerates when?

what will fuse with pareitalis?

this does what?

which sac grown faster? this causes?

this membrane will?

Answer 22

Question 23

the placental membrane

site of main exchange?

provide what for materials exchange?

Answer 23

Question 24

placenta membrane

until 20th week?

after? what is lost?

3rd trimester? knots?

end of preg what thickens?

Answer 24

Question 25

placental transfer

can cross

do not cross?

Answer 25

Question 26

histology of the placenta

fetal side is?

maternal side?

Answer 26

Question 27

early placenta

made up of?

core of villus?

Answer 27

Question 28

Answer 28

Question 29

late placenta

syncytiotrophoblast cells from?

after 4th month?

predominate?

knots?

cells?

fibrin?

Answer 29

Question 30

Answer 30

Question 31

umbilical cord

contains?

fetal circulatory shunts?

Answer 31

Question 32

placental accreta

what is it?

due to?

3 types?

Answer 32

Question 33

abnormal extension of the placenta over or/close to interal opening of the cervical canal

types? (3)

symptom?

Answer 33

Question 34

gestational trophoblastic diseases

replacement of normal villi by dilated or hydropic translucent vesicles?

partial? fetus? arising from?

complete: of what origin? fetus?

for either vascular?

Answer 34

Question 35

gestational trophoblastic diseases

invasive: what is it? diagnosed by? trophoblast does what? can cause? responsive to?

Choriocarcinoma: what is it? arises from?

observed in about how many patients? treatment?

Answer 35

Question 36

twins

types?

membranes and placentas?

Answer 36

Question 37

dizygotic twins: amnion? chorion?

chorions and placentas may be?

Answer 37

Question 38

monozygotic twins- membranes dependant on?

embryoblast result in?

placenta? chorionic sac? amniotic sacs? placental vessels?

Question 39

monozygotic twins dependent upon timing?

embryonic blastomeres

amniotic? chorions? placentas?

Answer 39