Nasal epithelia, alligator - histology slide

This is a histology slide from an American alligator showing the nasal epithelia. In zone 4 (anterior turbinate) considerably more OSNs (olfactory receptor neurons) are labelled with PGP9.5. Also, two larger apical endings arrow) are darkly labelled.

Image courtesy of:
Hansen, Anne; "Olfactory and solitary chemosensory cells: two different chemosensory systems in the nasal cavity of the American alligator, Alligator mississippiensis"; BMC Neuroscience 2007 8:64 doi:10.1186/1471-2202-8-64.

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