Hb A abbr.
- H band
H band n. The pale area in the center of the A band of a striated muscle fiber.
[eych-beem] /ˈeɪtʃˌbim/ noun 1. an I-beam having flanges the width of the web. noun 1. a rolled steel joist or girder with a cross section in the form of a capital letter H Compare I-beam h-bar (āch’bär’) See Dirac’s constant.
- Hb as
Hb AS abbr. hemoglobin A and hemoglobin S (heterozygous state) (the sickle cell trait)
abbreviation (in Canada) 1. Hudson’s Bay Company