| Houston, John | <person> Irish physician, 1802-1845. See: Houston's folds, Houston's muscle, Houston's valves. (05 Mar 2000) |
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| Houston's folds | The three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Nelaton's fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the rectouterine or rectovesical pouch); the inferior rectal fold is on the left side about 5 cm above the anus. Synonym: plicae transversales recti, Houston's folds, Houston's valves, Kohlrausch's valves, plicae recti, rectal folds, rectal valves. (05 Mar 2000) |
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| Houston's muscle | A variation of the bulbospongiosus muscle in which some fibres pass dorsal to the dorsal vein of the penis; thought at one time to be an important component in the mechanism of erection. Synonym: Houston's muscle. (05 Mar 2000) |
| Houston's valves | The three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Nelaton's fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the rectouterine or rectovesical pouch); the inferior rectal fold is on the left side about 5 cm above the anus. Synonym: plicae transversales recti, Houston's folds, Houston's valves, Kohlrausch's valves, plicae recti, rectal folds, rectal valves. (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) |
| Browne, Sir Denis John | <person> British surgeon, *1892. See: Denis Browne's pouch, Denis Browne splint. (05 Mar 2000) |
| Caffey, John Patrick | <person> U.S. Physician, radiologist, and peditrician, the "the father of paediatric radiology", 1895-1978. See: Caffey's disease, Caffey's syndrome, Caffey-Kempe syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |