Approx. 500–600g (about 1/6th of the baby's weight).
The part underlying the conceptus (forms the maternal placenta). Decidua Capsularis: The part overlying the conceptus. Decidua Parietalis: The remainder of the uterine lining. 4. Formation of Chorionic Villi
. The syncytiotrophoblast is "invasive," secreting enzymes to burrow deep into the mother’s uterine lining. 2. Building the Network: The Villi Stages Development Of Placenta Ppt
The Formation of Chorionic Villi
The placenta is a feto-maternal organ. It has two primary components: Approx
, widening them to ensure a steady flow of oxygenated blood into the "intervillous space". The Placenta: Its Development and Function
"Let’s pause here and look closely at the three stages of villous development, as this is the core concept of placental formation. Decidua Capsularis: The part overlying the conceptus
: Acts as a barrier against certain bacteria and provides passive immunity by transferring maternal antibodies. Presentation Resources