Index
Uterus

 Germ layers

 Fetus

 Amnion and placenta

Pregnant uterus,Week 5

Pregnant uterus, Week 8

Germ Layer
Derivatives

Signal transmission
in utero

Embryogenesis

Embryogenesis at
a glance


Method for measuring
the length of fetus

Sognogram of
human embryo

Delivery

Photos of fetus

 Enblargement of
the amnion

Transfer across the
placental membrane

Chorionic villus

Chorionic villus
sampling and
amniocentesis

Delivery

The structure and
morphology of
mature Placenta

Copyright © 1995
to the "Frontiers in Bioscience"