| D007909 |
Lenses |
Pieces of glass or other transparent materials used for magnification or increased visual acuity. |
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| D003116 |
Color |
The visually perceived property of objects created by absorption or reflection of specific wavelengths of light. |
Colors |
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| D004932 |
Esophageal and Gastric Varices |
Dilated blood vessels in the ESOPHAGUS or GASTRIC FUNDUS that shunt blood from the portal circulation (PORTAL SYSTEM) to the systemic venous circulation. Often they are observed in individuals with portal hypertension (HYPERTENSION, PORTAL). |
Esophageal Varices,Gastric Varices,Esophageal Varix,Gastric Varix,Varices, Esophageal,Varices, Gastric,Varix, Esophageal,Varix, Gastric |
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| D004945 |
Esophagoscopy |
Endoscopic examination, therapy or surgery of the esophagus. |
Esophagoscopic Surgical Procedures,Surgical Procedures, Esophagoscopic,Esophagoscopic Surgery,Surgery, Esophagoscopic,Esophagoscopic Surgeries,Esophagoscopic Surgical Procedure,Esophagoscopies,Procedure, Esophagoscopic Surgical,Procedures, Esophagoscopic Surgical,Surgeries, Esophagoscopic,Surgical Procedure, Esophagoscopic |
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| D005374 |
Filtration |
A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Filtrations |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000221 |
Adaptation, Ocular |
The adjustment of the eye to variations in the intensity of light. Light adaptation is the adjustment of the eye when the light threshold is increased; DARK ADAPTATION when the light is greatly reduced. (From Cline et al., Dictionary of Visual Science, 4th ed) |
Light Adaptation,Adaptation, Light,Adaptations, Light,Adaptations, Ocular,Light Adaptations,Ocular Adaptation,Ocular Adaptations |
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