respiratory pigment
noun Date: 1888 any of various permanently or intermittently colored conjugated proteins and especially hemoglobin that function in the transfer of oxygen in cellular respiration

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • respiratory pigment — n. any of several colored protein substances, as hemoglobin and hemocyanin, in the circulatory system of animals and some plants, that combine reversibly with oxygen that is carried to the tissues * * * …   Universalium

  • respiratory pigment — n any of various permanently or intermittently colored conjugated proteins and esp. hemoglobin that function in the transfer of oxygen in cellular respiration …   Medical dictionary

  • respiratory pigment — n. any of several colored protein substances, as hemoglobin and hemocyanin, in the circulatory system of animals and some plants, that combine reversibly with oxygen that is carried to the tissues …   English World dictionary

  • Respiratory pigment — A respiratory pigment is a molecule, such as hemoglobin in humans, that increases the oxygen carrying capacity of the blood. The four most common invertebrate respiratory pigments are hemoglobin, haemocyanin, haemerythrin and chlorocruorin.… …   Wikipedia

  • respiratory pigment — noun : any of various conjugated proteins that function in the transfer of oxygen in cellular respiration and that are permanently colored (as hemoglobin), alternate between a colored and a colorless phase (as hemocyanin) depending on their… …   Useful english dictionary

  • respiratory pigment — noun any of several coloured metal containing protein pigments which combine reversibly with oxygen and which are found in the tissues of invertebrates and whose role is to transport oxygen …   Wiktionary

  • Pigment — A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair. * * * 1. Any coloring matter, as that of the red blood cells, hair, iris, etc., or the stains used in histologic or bacteriologic work, or… …   Medical dictionary

  • respiratorypigment — respiratory pigment n. Any of various colored conjugated proteins, such as hemoglobin, that occur in living organisms and function in oxygen transfer in cellular respiration. * * * …   Universalium

  • circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium

  • crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… …   Universalium

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