Definition of respiratory pigment in English:

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respiratory pigment

noun

Biochemistry
A substance (such as hemoglobin or hemocyanin) with a molecule consisting of protein with a pigmented prosthetic group, involved in the physiological transport of oxygen or electrons.
Example sentences
  • Whereas Adrianov and Malakhov suspect the electron-dense material in the body cavity to represent respiratory pigments, Neuhaus assumes such pigments in the osmiophilic vesicles of the amoebocytes.
  • Massed red blood corpuscles are red in color owing to the presence of the respiratory pigment hemoglobin.
  • Thus, contrary to the insects, the evolution of a tracheal system in the Myriapoda was not accompanied by the loss of respiratory pigments in the hemolymph.

For editors and proofreaders

Syllabification: res·pi·ra·to·ry pig·ment

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