- respiratory pigments
- substances, such as hemoglobin, myoglobin, or the cytochromes, which take part in the oxidation processes of the animal body.
Medical dictionary. 2011.
Medical dictionary. 2011.
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 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
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
coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… … Universalium
blood — bloodlike, adj. /blud/, n. 1. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended. 2. the… … Universalium
malacostracan — /mal euh kos treuh keuhn/, adj. 1. belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc. n. 2. a malacostracan crustacean. [1825 35; < NL Malacostrac(a) order of crustacea ( < Gk, neut … Universalium
Arthropod — Temporal range: 540–0 Ma … Wikipedia
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
Cytochrome — c with heme c. Cytochromes are, in general, membrane bound hemoproteins that contain heme groups and carry out electron transport. They are found either as monomeric proteins (e.g., cytochrome c) or as subunits of bigger enzymatic complexes that… … Wikipedia
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