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Noun: protoheme
  1. A complex red organic pigment containing iron and other atoms to which oxygen binds
    - heme [N. Amer], haem [Brit, Cdn], hematin [N. Amer], haemitin, haematin [Brit, Cdn]

Type of: pigment

Part of: cytochrome, haemoglobin [Brit, Cdn], Hb, hemoglobin [N. Amer], myoglobin

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protoarcheology
protoavis
protoceratops
protocol
protoctist
protoctist family
protoctist genus
protoctist order
Protoctista
protogeometric
protoheme
protohemin
protohippus
protohistory
Proto-Indo European
protology
protomammal
protomartyr
proton
proton accelerator
proton magnetic resonance