Associations to the word «Porphyrin»

Wiktionary

PORPHYRIN, noun. (organic chemistry) Any of a class of heterocyclic compounds containing four pyrrole rings arranged in a square; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.).

Dictionary definition

PORPHYRIN, noun. Any of various pigments distributed widely in living tissues.

Wise words

Too often we underestimate the power of a touch, a smile, a kind word, a listening ear, an honest compliment, or the smallest act of caring, all of which have the potential to turn a life around.
Leo Buscaglia