התפתחות השלייה 3 [Compatibility Mode]

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Umbilical cord

Decidua Basalis) ) ( BP

Endovascular invasion Embryonic E b i pole

Bushy chorion ( (chorion frondosum)

Abembryonic pole Smooth chorion (Chorion laeve)

CP

CP Chorionic Plate

SV Stem Villi Anchoring g villi

SV

TV T i l Villi Terminal

BP Basal Plate

BP

Basalis

Syncytium

Cytotrophoblast

BPBushy chorion

Smooth Chorion

Amniochorionic memnbrane

6

9

- 001 - 08

02 51

Full term placenta 2CO

3 " 51-52 " 005-006

Terminal Villus Stem Villus Spiral Artery

Septum

jelly of Wharton

Battledore placenta

Ve a e tus Velamentus insertion

. )( . .

. 1. 2 CO 2 30-20) O/( 2) O ( 2. 3. , , Nutrients 4. : +Rh- ,Rh Erythroblastosis F t li E th bl t i Fetalis (HDN) Hemolytic Disease Newborn

. 1. " 2. )( 3. h-CG 3 h CG 4. Somatomammotropin GH .

Placenta blood volume-150 ml and being replaced every 2-4 mins

Monozygotic Twins yg

,

,

Dizygotic Twins yg