The Extraembryonic membranes Flashcards
The Extraembryonic Membranes
________: encompasses yolk
amnion: enclosing the amniotic cavity
allantois: outgrowth of hindgut
yolk sac
The Extraembryonic Membranes
yolk sac: encompasses yolk
_______: enclosing the amniotic cavity
allantois: outgrowth of hindgut
amnion
The Extraembryonic Membranes
yolk sac: encompasses yolk
amnion: enclosing the amniotic cavity
________: outgrowth of hindgut
allantois
The Extraembryonic Membranes
yolk sac: encompasses yolk
amnion: enclosing the amniotic cavity
allantois: outgrowth of _______
hindgut
The Extraembryonic membranes
- _________: chorio-allantoic membrane
- can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
- growing stages
- head fold and tail fold: forming the amniotic cavity
angiogenesis
The Extraembryonic membranes
- angiogenesis: ___________ membrane
- can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
- growing stages
- head fold and tail fold: forming the amniotic cavity
chorio-allantoic
The Extraembryonic membranes
- angiogenesis: chorio-allantoic membrane
- can be used as a model to ______ angiogenesis: ability of a substance to develop blood cells
- growing stages
- head fold and tail fold: forming the amniotic cavity
assay
The Extraembryonic membranes
- angiogenesis: chorio-allantoic membrane
- can be used as a model to assay angiogenesis: ability of a substance to develop _______ cells
- growing stages
- head fold and tail fold: forming the amniotic cavity
blood
The Extraembryonic membranes
- angiogenesis: chorio-allantoic membrane
- can be used as a model to assay angiogenesis: ability of a substanceto develop blood cells
- growing stages
- head fold and tail fold: forming the ______ ______
amniotic cavity
Human Extraembryonic Membranes
- formation of each is ______
- blastocyst: inner cell mass and trophoblast
- trophoblast: equivalent of chorion
No head folding
Formation is Independent of amnion
different
Human Extraembryonic Membranes
- formation of each is different
- ________: inner cell mass and trophoblast
- trophoblast: equivalent of chorion
No head folding
Formation is Independent of amnion
blastocyst
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: ______ _____ _____and trophoblast
- trophoblast: equivalent of chorion
No head folding
Formation is Independent of amnion
inner cell mass
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and _______
- trophoblast: equivalent of chorion
No head folding
Formation is Independent of amnion
trophoblast
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and trophoblast
- ________: equivalent of chorion
No head folding
Formation is Independent of amnion
trophoblast
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and trophoblast
- trophoblast: equivalent of ______
No head folding
Formation is Independent of amnion
chorion
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and trophoblast
- trophoblast: equivalent of chorion
_____ head folding
Formation is Independent of amnion
No
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and trophoblast
- trophoblast: equivalent of chorion
No head folding
Formation is ________ of amnion
independent
Human Extraembryonic Membranes
- formation of each is different
- blastocyst: inner cell mass and trophoblast
- trophoblast: equivalent of chorion
No head folding
Formation is Independent of _______
amnion
Human Extraembryonic Membranes
- ______: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
amnion
Human Extraembryonic Membranes
- amnion: from _____ ____ ______
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
inner cell mass
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng _____; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
butas
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; ______ to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
fuse
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become _____ ______ - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
amniotic cavity
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng _____ ____
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
yolk sac
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in _____ (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
avian
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (_______ ____ growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
endodermal cells
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the ____) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
yolk
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - ______ __ _____: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
rest of cells
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will ______ to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: allantois
divide
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form ______ and ______
-formation of primitive streak - posterior part of gut: evagination: allantois
epiblast, hypoblast
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of ______ _______ - posterior part of gut: evagination: allantois
primitive streak
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - ______ part of gut: evagination: allantois
posterior
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of ___: evagination: allantois
gut
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: ______: allantois
evagination
Human Extraembryonic Membranes
- amnion: from inner cell mass
Magkakaroon ng butas; fuse to become amniotic cavity - natitira: magfoform ng yolk sac
Unlike in avian (endodermal cells growing around the yolk) - rest of cells: will divide to form epiblast and hypoblast
-formation of primitive streak - posterior part of gut: evagination: _____
allantois
Mammalian Extraembryonic Membranes
- as it rolls down the _____
- hatches from zona pellucida
- buries itself with inner cell mass on one side, facing
- the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus
- chorin growing into the substance of the wall
uterus
Mammalian Extraembryonic Membranes
- as it rolls down the uterus
- hatches from _____ ______
- buries itself with inner cell mass on one side, facing
- the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus
- chorin growing into the substance of the wall
zona pellucida
Mammalian Extraembryonic Membranes
- as it rolls down the uterus
- hatches from zona pellucida
- buries itself with _____ ___ _____ on one side, facing
- the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus
- chorin growing into the substance of the wall
inner cell mass
Mammalian Extraembryonic Membranes
- as it rolls down the uterus
- hatches from zona pellucida
- buries itself with inner cell mass on one side, facing
- the side where the ICM is growing: the one responsible to secrete ______ to cut itself to the wall of uterus
- chorin growing into the substance of the wall
enzymes
Mammalian Extraembryonic Membranes
- as it rolls down the uterus
- hatches from zona pellucida
- buries itself with inner cell mass on one side, facing
- the side where the ICM is growing: the one responsible to secrete enzymes to cut itself to the wall of uterus
- _______ growing into the substance of the wall
chorion
Mammalian Extraembryonic Membranes
- _____ becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
chorion
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
________ : the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
cytotrophoblast
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the ______ walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
cellular
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are _____ and _____ _______syncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
clear, well differentiated
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiated_________ :
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
syncitiotrophoblast
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are ___ _______from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
not differentiated
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a ____ ______
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
cell membrane
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to ___ ______ from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
Blood: maternal contribution
cut itself
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the ______, bathe the blood vessels that come from the embryo
Blood: maternal contribution
mother
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the ______ ______ that come from the embryo
Blood: maternal contribution
blood vessels
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the ______
Blood: maternal contribution
embryo
Mammalian Extraembryonic Membranes
- chorion becomes divided into two:
cytotrophoblast: the cellular walls
> cells are clear and well differentiatedsyncitiotrophoblast:
> cells are not differentiated from each other by a cell membrane
> secreting substances to cut itself from the wall - red: spaces: blood from the mother, bathe the blood vessels that come from the embryo
______ : maternal contribution
Blood
Mammalian Extraembryonic Membranes
- the whole of the _____ is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
embryo
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the _____
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
villi
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi _______ only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
concentrate
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- ______ ____ forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
umbilical stalk
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will ______
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
disappear
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
- _______ of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth - fetal contribution to placenta
capsule
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
______ ______: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to placenta
chorion fondosum
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of _____
chorion laeve: chorion is smooth
- fetal contribution to placenta
villi
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
______ ______: chorion is smooth
- fetal contribution to placenta
chorion laeve
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is _______
- fetal contribution to placenta
smooth
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- ______ contribution to placenta
fetal
Mammalian Extraembryonic Membranes
- the whole of the embryo is covered by the villi
- villi concentrate only where it started in the beginning
- umbilical stalk forms
- all the villi will disappear
-capsule of embryo is divided into:
chorion fondosum: has a lot of villi
chorion laeve: chorion is smooth
- fetal contribution to ________
placenta
Mammalian Extraembryonic Membranes
maternal contribution also divided into two:
______ _____
desidua capsulares
Next to leave
- other parts of uterine wall where the baby is not growing: desidua parietalis
- dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts
- chorio-allantoic membrane
Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder
-villi of chorion is made up from the allantois
desidua basalis
Mammalian Extraembryonic Membranes
maternal contribution also divided into two:
desidua basalis
________ ________
Next to leave
- other parts of uterine wall where the baby is not growing: desidua parietalis
- dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts
- chorio-allantoic membrane
Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder
-villi of chorion is made up from the allantois
desidua capsulares
Mammalian Extraembryonic Membranes
maternal contribution also divided into two:
desidua basalis
desidua capsulares
Next to leave
- other parts of uterine wall where the baby is not growing: _______ _______
- dumidikit capsulares with parietalis: kapag naggrow na ung baby sa buong parts
- chorio-allantoic membrane
Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder
-villi of chorion is made up from the allantois
desidua parietalis
Mammalian Extraembryonic Membranes
maternal contribution also divided into two:
desidua basalis
desidua capsulares
Next to leave
- other parts of uterine wall where the baby is not growing: desidua parietalis
- _______ capsulares with parietalis: kapag naggrow na ung baby sa buong parts
- chorio-allantoic membrane
Allantois: very vascularized - here: only most proximal part of allantois is useful that will become the u. bladder
-villi of chorion is made up from the allantois
dumidikit