Douglas, James
(dŭg'lăs 
)
Scottish anatomist, 1675–1742.
D. cul-de-sac The peritoneal space or pouch that lies behind the uterus and in front of the rectum. SYN: cul-de-sac (2);Douglas pouch; rectouterine fold; rectouterine pouch.
D. line A crescent-shaped line at the lower limit of the posterior sheath of the rectus abdominis muscle. It is sometimes indistinct.