lateral line vs sense organ

lateral line and sense organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
lateral line	Yes	No	No	No
sense organ	Yes	No	No	No

As nouns, sense organ is a hypernym of lateral line; that is, sense organ is a word with a broader meaning than lateral line:

lateral line: sense organs of fish and amphibians; believed to detect pressure changes in the water
sense organ: an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation

Other hypernyms of lateral line include receptor, sensory receptor.

lateral line (noun)	sense organ (noun)
sense organs of fish and amphibians; believed to detect pressure changes in the water	an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation