| first m. |
a factor or hormone that binds to a receptor on the external surface of a cell and sets off a series of reactions that eventually convert a precursor into a second messenger.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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|---|---|
| first n. |
nervus olfactorius.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| first order b.’s |
adjustments made in a labial arch wire, incorporating offsets in the horizontal plane, which are usually made in the areas of the cuspids and premolar and molar teeth, accommodating differences in thickness in the labiolingual or buccolingual diameters of the teeth.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| first p. of vertebral artery |
pars transversaria arteriae vertebralis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| first pass radionuclide a. |
a form of radionuclide angiocardiography in which a rapid sequence of images is taken immediately after administration of a bolus of radionuclide, recording only the initial transit of the isotope through the central circulation.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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