In zoology, lacking palps; describing an organism that does not have the sensory appendages called palps.
From 'epi-' (without) plus 'palpate,' derived from Latin 'palpus' meaning 'feeler.' The prefix negates the presence of these sensory structures found in many invertebrates.
Many organisms like certain worms and crustaceans have feeler-like appendages called palps for sensing their environment—creatures without them are called 'epalpate,' and scientists use this distinction to classify and identify species.
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