masterdavey2761 masterdavey2761
  • 11-04-2019
  • Biology
contestada

What three membranes make up the placenta

Respuesta :

josiebricker807
josiebricker807 josiebricker807
  • 15-04-2019

Answer:

he innermost placental layer surrounding the fetus is called the amnion. The allantois is the middle layer of the placenta (derived from the embryonic hindgut); blood vessels originating from the umbilicus traverse this membrane.

Explanation:

Answer Link

Otras preguntas

Helpppp pleaseeeeeeeeeeeee
Please help!!!!!!!! I give Brainiest
As latitude increases, the average yearly temperature decreases. Explain why this happens.
Was the industrial revolution good for the world? Why or why not
what is the gcf of f(x)=3x^4-27x^3​
What is general election​
This is Greek Mythology, Please help me... Look at the pictures below, start reading the 2nd picture and then the 3rd picture, and then answer the questions in
Which line first suggests that Mrs. Stevenson might be the intended victim?
Mrs. Schlair has an annual salary of $96,402. a. What would her semimonthly salary be?
Please help me ill give u 11 BRAINLIEST