arcuate line of rectus sheath(redirected from semicircular line)
ar·cu·ate line of rec·tus sheath[TA]
a crescentic line (not always clearly defined) that marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle.
Douglas,James, Scottish anatomist in London, 1675-1742.
cavum douglasi - Synonym(s): Douglas cul-de-sac
Douglas abscess - suppuration in Douglas pouch.
Douglas cul-de-sac - a pocket formed by the deflection of the peritoneum from the rectum to the uterus. Synonym(s): cavum douglasi; Douglas pouch; rectouterine pouch
Douglas fold - a fold of peritoneum, containing the rectouterine muscle, forming the lateral boundary of the rectouterine (Douglas) pouch. Synonym(s): sacrouterine fold
Douglas line - a crescentic line that marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle. Synonym(s): arcuate line of rectus sheath
Douglas pouch - Synonym(s): Douglas cul-de-sac