| 释义 |
foramen ovale
noun[ S ]
anatomy specializeduk /fəˌreɪ.men əʊˈvæl.i/ us /fəˌreɪ.mən oʊˈvæl.i/
a small opening in the heart of a fetus(= a baby before it is born) that allows blood to move directly to the heart without going through the lungs and that closes after the baby is born:
For those fetuses with a restrictive foramen ovale, delivery was scheduled in the cardiac unit.
After birth, the foramen ovale closes, and the ductus arteriosus becomes obliterated.
The defect, called a patent foramen ovale, is a hole between the two upper chambers of the heart.
Cardiorespiratory adaptation at birth results in an increase in pulmonary blood flow and closure of the fetal shunts which allow the blood to bypass the lungs; the foramen ovale and ductus arteriosus.
SMART Vocabulary: related words and phrases
Substances & structures in the body
abductor
accessorius
ACL
actin
adductor
funiculus
fusiform
glomerular
glomerulus
GnRH
navicular
neuroendocrine
neurohormonal
neurohormone
nociceptive
tendinous
tendinum
tendo
tensor
Th
See also
ductus arteriosus
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