Exam 4 (Placentation) Flashcards by Jennica Quast

Q

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Amniotic epithelium

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Chorio-amniotic connective tissue

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Placental labyrinth

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Q

What species does this placenta belong to?

A

Human

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Amniotic epithelium

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Chorio-amniotic connective tissue

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Q

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Placental labyrinth

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Amniotic epithelium

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Q

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Chorio-amniotic connective tissue

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Q

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Chorionic villi of
placental labyrinth

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Chorionic villi

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Fetal chorionic villi

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Endometrial connective tissue

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Chorionic villi

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Endometrial connective tissue

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Blue arrows = Intervillous lacunae

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Chorionic villi

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Endometrial connective tissue

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Red arrows = Chorionic villi

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Blue arrows = Intervillous lacunae

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Yellow arrows = Cytotrophoblasts

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Black arrows = Syncytiotrophoblasts

Q

What species does this placenta begin to?

A

Horse

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Yellow arrows = Microcotyledons

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Black arrow = Maternal tissue

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Blue arrow = Allantoic epithelium

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Red arrows = chorioallantoic connective tissue

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Yellow arrow = fetal + maternal villi

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Black arrows = Uterine glands

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Blue arrow = Allantoic epithelium

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Yellow = chorionic villi

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Blue arrow = uterine epithelium

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Blue arrow = uterine epithelium

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Fetal villi

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Maternal tissue

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Black arrows = Trophoblasts

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Yellow arrow = Fetal blood vessel

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Brown arrow = Maternal blood vessel

Q

What species does this placenta belong to?

A

Cow

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Placentome

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Myometrium

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Chorioallantoic membrane

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What are the brown and black arrows?

A

Brown arrows = Chorio-allantoic connective tissue
Black arrows = Allantoic epithelium

Q

What are the green and blue arrows?

A

Green arrows = Fetal vessels
Blue arrows = Fetal connective tissue

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Red arrows = Maternal vessels

Q

What species does this placenta belong to?

A

Dog

Q

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Red arrows = Maternal vessels
Green arrows = Fetal vessels