ortho-, orth- +
(Greek: right, straight, correct, true; designed to correct)
orthotics
1. The science pertaining to mechanical appliances for orthopedic use.
2. The use of orthopedic appliances.
orthotist
A practitioner of orthotics, or someone who works with devices, or appliances, that are worn by patients to correct or to prevent joint deformities, etc.
orthotone
Having its own accent as an independent word; accented; spec. said of a word ordinarily unaccented (as an enclitic or proclitic) when it retains or takes an independent accent.
orthotonos
Muscle spasm or rigidity in which the neck and back are held in a straight line; associated especially, with tetanus.
orthotonus
1. A spasmodic condition inducing the head, body, and limbs to be held rigidly in a straight line.
2. A spasmodic or tetanic contraction of axial muscles causing the body to be held rigid in a straight line.
orthotopic
1. A reference to a tissue graft to a site on the body where that tissue would normally be present.
2. Describing a tissue transplant that is grafted into its normal anatomical position.
3. Occurring in the normal, or usual, place; not heterotopic nor ectopic.
orthotropic
In botany, growing vertically with reference to developing plant organs that grow nearly vertically, either upward or downward.
orthotropism
1. An upward, or downward, vertical growth response or tropism of organs to a given stimulus.
2. A tendency to grow upward, or downward, in a vertical direction, in response to an orienting stimulus; such as, sunlight or gravity.
orthovoltage
High voltage, as used for x-ray production, in the range of 200 to 300 kilovolts.
surgical orthodontics
The correction of malocclusions by the surgical repositioning of the jaw, or segments of the jaw.
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