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gill slit
(redirected from Gill slits)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
gill slit
n.
One of several rudimentary invaginations in the embryonic surface, present during development of air-breathing vertebrates and corresponding to the functional gill slits of aquatic species.


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He'd barely lost the trace of gill slits and already he was a member of the clan of crossings.
It has a wide, flat head, a rounded snout, small eyes, five very large gill slits, two dorsal fins (on its back) and two pectoral fins (on its sides).
Gill slits are long, thin openings behind their heads.
 
 
 
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