| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
|
| D009787 |
Occupational Medicine |
Medical specialty concerned with the promotion and maintenance of the physical and mental health of employees in occupational settings. |
Industrial Medicine,Medicine, Industrial,Medicine, Occupational |
|
| D011044 |
Poland |
A country in central Europe, east of Germany. The capital is Warsaw. |
Polish People's Republic,Republic of Poland |
|
| D011890 |
Railroads |
Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well. |
Subways,Railroad,Subway |
|
| D003118 |
Color Perception |
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. |
Color Perceptions,Perception, Color,Perceptions, Color |
|
| D003119 |
Color Perception Tests |
Type of vision test used to determine COLOR VISION DEFECTS. |
Color Perception Test,Perception Test, Color,Perception Tests, Color,Test, Color Perception,Tests, Color Perception |
|
| D005139 |
Eyeglasses |
A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available. |
Glasses,Spectacles,Sun Glasses, Prescription,Glasses, Prescription Sun,Prescription Sun Glasses |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000293 |
Adolescent |
A person 13 to 18 years of age. |
Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths |
|
| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
|