Anatomy books

Monday, April 29, 2024

General embryology : Chorion

 

Chorion

For learning anatomy, please visit :

My youtube channel :  @easyhumanatomy73

My website : http://easyhumananatomy.com

My facebook pagehttps://www.facebook.com/easyhumanatomy/

My bloghttp://www.easyhumanatomy73.blogspot.com

My bloghttp://www.microscopicanatomybd.blogspot.com

It is a highly specialized extra-embryonic membrane that participates in the formation of the placenta.

Formation :it is formed by

1.     Somatopleuric layer of extraembryonic mesoderm

2.     Cytotrophoblast

3.     Syncytotrophoblast

Parts of chorion:

It has two parts

·        Chorion frondosum:the part of chorion where chorionic villi are well developed and it form the fetal parts of placenta.

·        Chorion leave:the part of chorion where chorionic villi are less developed.

Chorionic villi

Numerous small finger-like projections arise from the surface of the chorion is known as  chorionic villi.

Types of chorionic villi:

Primary, Secondary, Tertiary 

 

No comments: