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Colon, Transverse
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D044684 |
[The segment of LARGE INTESTINE between ASCENDING COLON and DESCENDING COLON. It passes from the RIGHT COLIC FLEXURE across the ABDOMEN, then turns sharply at the left colonic flexure into the descending colon.
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Colonialism
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D018595 |
[The aggregate of various economic, political, and social policies by which an imperial power maintains or extends its control over other areas or peoples. It includes the practice of or belief in acquiring and retaining colonies. The emphasis is less on its identity as an ideological political system than on its designation in a period of history. (Webster, 3d ed; from Dr. J. Cassedy, NLM History of Medicine Division)
] |
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Colonic Diseases
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D003108 |
[Pathological processes in the COLON region of the large intestine (INTESTINE, LARGE).
] |
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Colonic Diseases, Functional
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D003109 |
[Chronic or recurrent colonic disorders without an identifiable structural or biochemical explanation. The widely recognized IRRITABLE BOWEL SYNDROME falls into this category.
] |
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Colonic Neoplasms
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D003110 |
[Tumors or cancer of the COLON.
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Colonic Polyps
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D003111 |
[Discrete tissue masses that protrude into the lumen of the COLON. These POLYPS are connected to the wall of the colon either by a stalk, pedunculus, or by a broad base.
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Colonic Pouches
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D039021 |
[Sacs or reservoirs created to function in place of the COLON and/or RECTUM in patients who have undergone restorative proctocolectomy (PROCTOCOLECTOMY, RESTORATIVE).
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Colonic Pseudo-Obstruction
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D003112 |
[Functional obstruction of the COLON leading to MEGACOLON in the absence of obvious COLONIC DISEASES or mechanical obstruction. When this condition is acquired, acute, and coexisting with another medical condition (trauma, surgery, serious injuries or illness, or medication), it is called Ogilvie's syndrome.
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Colonography, Computed Tomographic
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D023881 |
[A non-invasive imaging method that uses computed tomographic data combined with specialized imaging software to examine the colon.
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Colonoscopes
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D020685 |
[Specially designed endoscopes for visualizing the interior surface of the colon.
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Colonoscopy
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D003113 |
[Endoscopic examination, therapy or surgery of the luminal surface of the colon.
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Colony Collapse
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D056631 |
[A disorder of unknown cause affecting honeybees, whereby a colony rapidly loses its adult bee population. ISRAELI ACUTE PARALYSIS VIRUS OF BEES may have a role in the disorder.
, The sudden collapse and disappearance or diminution of a colony of organisms.
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Colony Count, Microbial
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D015169 |
[Enumeration by direct count of viable, isolated bacterial, archaeal, or fungal CELLS or SPORES capable of growth on solid CULTURE MEDIA. The method is used routinely by environmental microbiologists for quantifying organisms in AIR; FOOD; and WATER; by clinicians for measuring patients' microbial load; and in antimicrobial drug testing.
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Colony-Forming Units Assay
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D003114 |
[A cytologic technique for measuring the functional capacity of stem cells by assaying their activity.
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Colony-Stimulating Factors
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D003115 |
[Glycoproteins found in a subfraction of normal mammalian plasma and urine. They stimulate the proliferation of bone marrow cells in agar cultures and the formation of colonies of granulocytes and/or macrophages. The factors include INTERLEUKIN-3; (IL-3); GRANULOCYTE COLONY-STIMULATING FACTOR; (G-CSF); MACROPHAGE COLONY-STIMULATING FACTOR; (M-CSF); and GRANULOCYTE-MACROPHAGE COLONY-STIMULATING FACTOR; (GM-CSF).
] |
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Color
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D003116 |
[The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.
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Color Perception
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D003118 |
[Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary.
] |
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Color Perception Tests
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D003119 |
[Type of vision test used to determine COLOR VISION DEFECTS.
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Color Therapy
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D016500 |
[A form of phototherapy using color to influence health and to treat various physical or mental disorders. The color rays may be in the visible or invisible spectrum and can be administered through colored lights or applied mentally through suggestion.
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Color Vision
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D055253 |
[Function of the human eye that is used in bright illumination or in daylight (at photopic intensities). Photopic vision is performed by the three types of RETINAL CONE PHOTORECEPTORS with varied peak absorption wavelengths in the color spectrum (from violet to red, 400 - 700 nm).
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