| focal l. |
the distance between a lens and an object from which all rays of light are brought to a focus. Symbol f.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| focal l., anterior |
a line whose direction is perpendicular to the meridian of greatest curvature of a refracting surface.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| focal l., posterior |
a line whose direction is perpendicular to the meridian of least curvature of a refracting surface.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| focal m. |
myelopathy affecting a small area only, or several small areas.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| focal m. of heart |
a miliary lesion characterized by loss of muscular syncytium, preservation of stroma, absence of inflammatory reaction, and eventual necrosis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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