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The 4-vessel Sampling Approach to Integrative Studies of Human Placental Physiology In Vivo
Published on: August 2, 2017
Factors influencing placental development and function in the mare
1The Paul Mellon Laboratory of Equine Reproduction, Newmarket, Suffolk, UK. pml@binternet.com
Equine Veterinary Journal. Supplement
|May 19, 2012
Summary
Equine placental development transitions from yolk sac nourishment to allantochorion-based nutrition, crucial for fetal growth. Understanding these stages aids in managing equine pregnancy and fetal development.
Area of Science:
- Reproductive Biology
- Developmental Biology
- Veterinary Science
Background:
- Equine placental development is a complex, stage-specific process.
- Early embryonic nutrition relies on histotrophy via the yolk sac.
- Later gestation shifts to haemotrophic nutrition as the allantochorion develops.
Purpose of the Study:
- To review the development of the equine allantochorionic placenta.
- To discuss factors influencing placental growth, size, and function.
- To explore the placenta's role in controlling fetal growth and maturation.
Main Methods:
- Literature review of equine placental development.
- Analysis of factors affecting placental growth and function.
- Synthesis of information on placental control of fetal development.
Main Results:
- The equine placenta undergoes distinct developmental stages.
- Haemotrophic nutrition becomes dominant as microcotyledons form.
- Placental characteristics significantly influence fetal outcomes.
Conclusions:
- The allantochorionic placenta is vital for sustained fetal nourishment in mares.
- Factors influencing placental development directly impact fetal growth and maturation.
- Further research into placental regulation can improve equine reproductive success.
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