Chorioallantois (Noun)
Meaning
The very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois.
Classification
Nouns denoting animals.
Examples
- The development of the placenta begins with the formation of the chorioallantois.
- During fetal development, the chorioallantois gives rise to the maternal side of the placenta.
- In amniotes, the chorioallantois forms an intimate relationship with the uterine tissue, enabling nutrient transfer between the mother and fetus.
- Disruptions to the formation or function of the chorioallantois can have serious implications for fetal growth and development.
- Anomalies of the chorioallantois can sometimes be identified on ultrasound or at postmortem examination, offering valuable insights into prenatal and perinatal conditions.