Relating to or located opposite the crotalus or rattle (in anatomy), or opposing rattle-like sounds.
From anti- + cotalic (relating to crotalus, the rattlesnake genus, from Greek kroталos, rattle). Extremely rare anatomical/zoological term.
This word is so specialized it's barely used in modern science—it's the kind of term that existed because 19th-century anatomists loved naming every possible anatomical relationship, even the ones no one would ever reference.
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