protamine
— Noun
– English
～ a simple protein found in fish sperm; rich in arginine; simpler in composition than globulin or albumin; counteracts the anticoagulant effect of heparin
protanopia
— Noun
– English
～ dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
protanopic
— Adjective
– English
～ inability to see the color red or to distinguish red and bluish-green