placenta

Placental mammals, such as humans, have a chorioallantoic placenta that forms from the chorion and allantois.

Cçmponents

 chorion

• chorionic plate
• chorionic villi

Pathology : placental pathology

 placental macroscopical anomalies
 placental anomalies
 placental lesional syndromes
 placental diseases
 placental tumors

Videos

 Histology of the placenta (by Washington Deceit)

• http://www.youtube.com/v/PDo3KC_FFDY

See also

 placental pathology

Open references

 https://meridian.allenpress.com/aplm/article/140/7/698/65370/Sampling-and-Definitions-of-Placental-Lesions