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Semin Cell Biol. 1994 Feb;5(1):11-24.

Ultrastructural aspects of olfactory transduction and perireceptor events.

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Department of Neurobiology and Physiology, Northwestern University, Evanston, IL 60208-3520.


Ultrastructural/immunocytochemical studies with well defined antibodies suggest that distal segments of olfactory cilia are the main sites of early events in olfactory signal transduction. Such studies also begin to provide specifics of the cytoskeletal make-up of olfactory epithelial cells, but knowledge about relationships between cytoskeletal and transduction components is still incomplete. Probes to less well defined chemical entities, but that distinctly label olfactory cilia, supporting cell microvilli and microvilli of microvillous cells, may serve as markers for further studies on olfactory signaling. Ultrastructural/immunocytochemical studies also suggest that supporting cells help to balance the mucous environment of olfactory cilia.

[Indexed for MEDLINE]

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