Expression
In vertebrates, the olfactory receptors are located in the cilia of the olfactory sensory neurons. In insects, olfactory receptors are located on the antennae and other chemosensory organs. Sperm cells also express odor receptors, which are thought to be involved in chemotaxis to find the egg cell.
Read more about this topic: Olfactory Receptor
Famous quotes containing the word expression:
“A work of art is an abstract or epitome of the world. It is the result or expression of nature, in miniature. For, although the works of nature are innumerable and all different, the result or the expression of them all is similar and single.”
—Ralph Waldo Emerson (1803–1882)
“An unlicked bear”
—Trans. by Johanna Prins.
Dutch expression meaning “a boor”: from the old belief that bear cubs are licked into shape by their mothers.
“A man finds room in the few square inches of the face for the traits of all his ancestors; for the expression of all his history, and his wants.”
—Ralph Waldo Emerson (1803–1882)