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
References in classic literature ?
Although he was still under thirty, this forecasting habit had marked two semicircular lines above his eyebrows, which threatened, at this moment, to crease into their wonted shapes.
A feeling of great intimacy united the brother and sister, and the semicircular lines above their eyebrows disappeared.
The locations trace a semicircular line around the West Valley's hillsides, from Granada Hills in the north to Tarzana in the south.