| Douglas' line | A crescentic line, not always clearly defined, which marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle. Synonym: linea arcuata vaginae musculi recti abdominis, Douglas' line, linea saemicircularis, saemicircular line. (05 Mar 2000) |
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| Douglas mechanism | Mechanism of spontaneous evolution in transverse lie; extreme lateral flexion of the vertebral column with birth of the lateral aspect of thorax before the buttocks. (05 Mar 2000) |
| douglas' pouch | A sac or recess formed by a fold of the peritoneum. (12 Dec 1998) |
| Douglas' spontaneous evolution | A mechanism whereby molding of the foetus and impaction of the shoulder and prolapsed arm occurs in transverse lie, allowing vaginal delivery with the lateral aspect of the thorax following the prolapsed shoulder. (05 Mar 2000) |
| Torre, Douglas | <person> U.S. Dermatologist, *1919. See: Torre's syndrome, Muir-Torre syndrome. (05 Mar 2000) |
| Abernethy, John | <person> British surgeon and anatomist, 1764-1831. See: Abernethy's fascia. (05 Mar 2000) |
| Baker, john Randal | <person> English zoologist, *1900. See: Baker's pyridine extraction, Baker's acid haematein. (05 Mar 2000) |
| Baldy, John | <person> U.S. Gynecologist, 1860-1934. See: Baldy's operation. (05 Mar 2000) |
| Barlow, John | <person> 20th century South African cardiologist. See: Barlow syndrome. (05 Mar 2000) |
| Barton, John Rhea | <person> U.S. Surgeon, 1794-1871. See: Barton's bandage, Barton's forceps, Barton's fracture. (05 Mar 2000) |
| Beckwith, John Beckwith | <person> U.S. Pathologist, *1933. See: Beckwith-Wiedemann syndrome. (05 Mar 2000) |
| Bell, John | <person> Scottish surgeon and anatomist, 1763-1820. See: Bell's muscle. (05 Mar 2000) |
| Bittner, John | <person> U.S. Oncologist, 1904-1961. See: Bittner agent, Bittner's milk factor. (05 Mar 2000) |
| Bowen, John | <person> U.S. Dermatologist, 1857-1941. See: Bowen's disease, Bowen's precancerous dermatosis, bowenoid papulosis, Bowenoid cells. (05 Mar 2000) |
| Braxton Hicks, John | <person> British gynecologist, 1823-1897. See: Braxton Hicks contraction, Braxton Hicks sign, Braxton Hicks version. (05 Mar 2000) |