Intra-uterine respiration-like movements in relation to development of the fetal vascular system. A discussion of intra-uterine physiology based upon cases of congenital absence of the trachea, abnormal vascular development, and other anomalies.
D002319:Cardiovascular System; D005333:Fetus; D006801:Humans; D012119:Respiration; D012137:Respiratory System; D014132:Trachea
CARDIOVASCULAR SYSTEM; FETUS; RESPIRATORY TRACT