Smell

Crossword Puzzle

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Across:

1. The cellular protrusions on which receptor proteins are located
3. This substance forms a sticky film across the top of receptor cells to capture smell molecules
5. The two letter abbreviation for the enzyme that produces the cyclic nucleotide that gates ion channels in olfactory receptor proteins
7. The family of receptors to which Odorant receptor proteins belong
10. The full name for the region of the ORP that binds the odorant (3 words of 7, 7 and 6 letters)
11. This cation gates opening of channels allowing efflux of anions whose exit causes depolarization of the olfactory receptor cell

Down:

1. The molecule that opens ion channels in olfactory receptor cells
2. The name for the change in resting membrane potential in the olfactory receptor cell caused after binding of the odorant to the receptor protein
4. The cells that provide structural integrity within the olfactory mucosa and remove odorant molecules (2 words)
6. Efflux of this ion is the main factor causing depolarization of the olfactory receptor cell
8. The protein in vision that comes from the same family as the olfactory receptor protein
9. The olfactory receptor cell is a member of this broad class of cell in the CNS or PNS