| clouding of consciousness | A state in which the patient's mental state is clouded and thus not fully in contact with the environment. (05 Mar 2000) |
|---|---|
| consciousness | Sense of awareness of self and of the environment. (12 Dec 1998) |
| consciousness disorders | Organic mental disorders in which there is marked impairment of awareness. (12 Dec 1998) |
| double consciousness | A condition in which one lives in two seemingly unrelated mental states, being, while in one, unaware of the other or of the acts performed in the other. See: dual personality. (05 Mar 2000) |
| threshold of consciousness | The lowest point at which a stimulus sensation can be perceived. (05 Mar 2000) |
| field of consciousness | The content of awareness at any given moment. (05 Mar 2000) |
| loss of consciousness | Total unresponsiveness. An important neurologic sign. (27 Sep 1997) |
| adenomatous colon polyps | <radiology> Probability of malignancy by size and type Size (cm) less than 1 1-2 greater than 2 --------------------------- tubular 1% 10% 34% mixed (TV) 4% 9% 45% villous 10% 10% 54%, most colon polyps (90%) are hyperplastic (size less than 5 mm) (12 Dec 1998) |
| arterial arches of colon | Anastomosing branches of the colic arteries that form arch's in the mesocolon from which the walls of the colon are supplied. See: marginal artery of colon. (05 Mar 2000) |
| ascending colon | <anatomy> The first part of the colon (large intestine) that starts in the right lower quadrant of the abdomen and ends at the transverse colon in the right upper quadrant of the abdomen. (27 Sep 1997) |
| bands of colon | teniae coli |
| cancer, colon | A malignant tumour arising from the inner wall of the large intestine. The third leading cause of cancer in males, fourth in females in the U.S. Risk factors for cancer of the colon and rectum (colorectal cancer) include heredity, colon polyps, and long standing ulcerative colitis. most colorectal cancers develop from polyps. Removal of colon polyps can prevent colorectal cancer. Colon polyps and early cancer can have no symptoms. Therefore, regular screening is important. Diagnosis can be made by barium enema or by colonoscopy with biopsy confirmation of cancer tissue. Surgery is the most common treatment for colorectal cancer. (12 Dec 1998) |
| cancer, colon: screening and surveillance | Colon cancer is both preventable and curable. It is preventable by removing precancerous colon polyps. It is curable if early cancer is surgically removed before cancer spread to other parts of the body. Therefore, if screening and surveillance programs were practiced universally, there would be a major reduction in the incidence and mortality of colon cancer. (12 Dec 1998) |
| marginal artery of colon | Artery formed by anastomoses between the right and left colic artery's; it passes downward from the left colic flexure to the aboral end of the pelvic colon. Synonym: artery of Drummond, Riolan's arc. (05 Mar 2000) |
| giant colon | An abnormally large or dilated colon, the condition may be congenital or acquired, acute or chronic. (18 Nov 1997) |