page_title: Rhinophore
section_title: Structure
hierarchical_section_title: Rhinophore / Structure
caption_attribution_description: English: A low-power scanning electron microscopy (SEM) micrograph showing the rhinophore tip of Aplysia californica. rg - rhinophore groove tip - rhinophore tip Scale bar is 300 μm.
context_page_description: A rhinophore is one of a pair of chemosensory club-shaped, rod-shaped or ear-like structures which are the most prominent part of the external head anatomy in sea slugs, marine gastropod opisthobranch mollusks such as the nudibranchs, Sea Hares, and sap-sucking sea slugs.
context_section_description: In reproductively mature Aplysia adults the rhinophore is about 1 cm in length. The neuroanatomical organization includes a rhinophore groove where most of the sensory cells appear to be concentrated. Its sensory epithelium contains sensory neurons that project axons back to rhinophore ganglia and dendrites that end in either a surface-exposed cilium or a small protuberance.
caption: A low-power scanning electron microscopy (SEM) micrograph showing the rhinophore tip of Aplysia californica
  
  Scale bar is 300 μm.
  
  rg - rhinophore groove
  
  tip - rhinophore tip.
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