Assertion: arachnid's organ | /r/HasProperty | organ
Facets:
Source sentences:
text: Similarly, arguments can be formed against use of the term abdomen, as the opisthosoma of all spiders contains a heart and respiratory organs, organs atypical of an abdomen).
text: On the undersides of the coxae and trochanters of the last pair of legs, Solifugae have fan-shaped sensory organs called malleoli or racquet (or racket) organs.