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:
“Our minds can go no further. The human imagination is capable of no further expression of beauty than the carved owl of Athene, the archaic, marble serpent, the arrogant selfish head of the Acropolis Apollo.”
—Hilda Doolittle (1886–1961)
“Silence is the most perfect expression of scorn.”
—George Bernard Shaw (1856–1950)
“Cows sometimes wear an expression resembling wonderment arrested on its way to becoming a question. In the eye of superior intelligence, on the other hand, lies the nil admirari spread out like the monotony of a cloudless sky.”
—Friedrich Nietzsche (1844–1900)