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:
“They were making their way with the resigned expression of those who are condemned to hope forever.”
—Charles Baudelaire (1821–1867)
“We must continually remind students in the classroom that expression of different opinions and dissenting ideas affirms the intellectual process. We should forcefully explain that our role is not to teach them to think as we do but rather to teach them, by example, the importance of taking a stance that is rooted in rigorous engagement with the full range of ideas about a topic.”
—bell hooks (b. 1955)
“You see, my dear, it occurred to me that he’d make a delightful coffin follower. That, that expression of melancholy. It’s very interesting, don’t you think so, my love?”
—Vernon Harris (c. 1910)