page_title: Hancock's organ
hierarchical_section_title: Hancock's organ
caption_attribution_description: English: A microphoto of Hancock's organ of Pseudunela marteli from Vanuatu. ho - Hancock's organ.
context_page_description: Hancock's organ is a lateral sensory organ of gastropods, a sense organ found in some sea snails. This organ is found in most of the shelled opisthobranchs.
context_section_description: Hancock's organ is a lateral sensory organ of gastropods, a sense organ found in some sea snails. This organ is found in most of the shelled opisthobranchs.
caption: A microphoto of Hancock's organ (ho) of a sea slug Pseudunela marteli.
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