fetal circulation
Học thuậtThân thiện
Definition
Noun: The unique circulatory pathway in a developing fetus, which includes specialized structures like the ductus arteriosus and foramen ovale, allowing blood to bypass the non-functional lungs and receive oxygen from the placenta.
Usage
This is a specific, uncountable noun used in medical and biological contexts to describe the prenatal circulatory system. It is typically used in formal writing, academic discussions, or medical explanations.
Examples
- The fetal circulation relies on the placenta for gas exchange.
- Understanding changes in fetal circulation is crucial for neonatal medicine.
- The lecture detailed the transition from fetal circulation to the adult pattern after birth.
Advanced Usage
- In utero: Refers to the state or processes occurring within the uterus.
- The shunt is a normal part of the circulatory system in utero.
- Persistent fetal circulation: A medical condition where the circulatory adaptations of the fetus fail to close after birth.
- The newborn was diagnosed with persistent fetal circulation.
Variants and Related Words
- Fetal (adj): Pertaining to a fetus.
- fetal development, fetal heartbeat
- Circulation (n): The movement of blood through the body.
- pulmonary circulation, systemic circulation
- Ductus arteriosus: A blood vessel in the fetal circulation connecting the pulmonary artery to the aorta.
- Foramen ovale: An opening in the fetal heart between the right and left atria.
Synonyms
- Prenatal circulation
- Foetal circulation (British English spelling)
Related Phrases
- Transitional circulation: The period when the fetal circulatory pathways are closing after birth.
- Placental circulation: The part of the fetal system involving blood flow to and from the placenta.
Noun
- the system of blood vessels and structures through which blood moves in a fetus