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:
“I never heard a single expression of fondness for him fall from the lips of any of those who knew him well.”
—Thomas Babington Macaulay (1800–1859)
“Here and there a bird sang, a rose silenced her expression of him, and all the gaga flowers wondered. But they puzzled the wanderer with their vague wearinesses.”
—John Ashbery (b. 1927)
“... if the Settlement seeks its expression through social activity, it must learn the difference between mere social unrest and spiritual impulse.”
—Jane Addams (1860–1935)