Orphan drug
A drug developed to specifically treat a rare medical condition. This rare medical condition is referred to as an orphan disease.
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- Ortho- (prefix)
straight or erect. Examples of terms involving ortho- include orthodontics (straightening the teeth), orthopaedics (straightening the child), orthopnea (breathing easily only in an upright position), orthostatic (an upright posture), etc.
- Orthodontic treatment (dental braces)
The use of devices to move teeth or adjust underlying bone. The ideal age for starting orthodontic treatment is between ages 8 to 14 years while growth is still occurring. An evaluation for orthodontic treatment is recommended by the age of 7. Teeth can be moved by removable appliances or by fixed braces. Crowding of […]
- Orthodontics
The dental specialty that is concerned with the diagnosis and treatment of dental deformities as well as irregularity in the relationship of the lower to the upper jaw.
- Ortholog
A gene in two or more species that has evolved from a common ancestor. Also called an orthologous gene.
- Orthomolecular medicine
1. A term coined by the chemist Linus Pauling in a paper published in the journal Science in 1968. A key concept in Orthomolecular Medicine is that genetic factors affect not only the physical characteristics of individuals, but also to their biochemical milieu. Biochemical pathways of the body have significant genetic variability and diseases such […]