| T1-T12 | first to twelfth thoracic vertebrae |
|---|---|
| T1 | spin-lattice or longitudinal relaxation time; tricuspid first sound |
| T + 1, T + 2, T + 3 | first, second, and third stages of increased intraocular tension |
| T-1, T-2, T-3 | first, second, and third stages of decreased intraocular tension |
| first c. |
primitive c.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
|---|---|
| first d. |
deciduous teeth; see under tooth.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| first degree atrioventricular b. |
a first degree heart block due to a block in the atrioventricular junctional tissue; the rate of conduction of impulses from the atria to the ventricles is slowed, resulting in regular electrocardiographic P–R intervals of greater than 0.21 second.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| first degree heart b. |
the mildest form of heart block, in which conduction time is prolonged but all impulses are conducted; often used specifically for first degree atrioventricular block.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| first f. |
pollex.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| first | of the highest quality |
|---|---|
| first | by first-class conveyance |
| first | (Great Britain) an honours degree of the highest class |
| first | mail that includes letters and postcards and packages sealed against inspection |
| first | not accepting reservations |
| first | burn causing redness of the skin surface |
| first | someone habitually a spectator at the openings of theatrical productions |
| first | a partial correlation in which the effects of only one variable are removed (held constant) |
| first | a finish in first place (as in a race) |
| first | (informal) of the highest quality |
| first | quite well |
| first | one who is first-rate |