BTSFANS
BTSFANS BTSFANS
  • 01-01-2020
  • Biology
contestada

formation of placenta????​

Respuesta :

Dragonshine
Dragonshine Dragonshine
  • 01-01-2020

Answer:

The placenta begins to develop upon implantation of the blastocyst into the maternal endometrium. ... It forms as a result of differentiation and fusion of the underlying cytotrophoblast cells, a process that continues throughout placental development.

Answer Link

Otras preguntas

Choose a positive and negative connotation for the following denotation: (to walk) Postive; Negative;
anyone know the answer to this one too​
Vamos al lago a ______________.
PLEASE HELP ME IF YOU CAN ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Identify the graph of the system of constr
Help me with 12 and 13, please! The question is, “Write a subtraction number sentence for the models shown.” Please explain too!
Please, answer this thank you
President Polk promised to gain full control over the territory in the Pacific Northwest known as the
Can you please help me
which organisms are in the trophic level that receives the larger percentage of enery captured by the producers?
Please help me on this problem. ​