The dactylus is the tip region of the tentacular club of cephalopods and of the leg of some crustaceans (see arthropod leg). In cephalopods, the dactylus is narrow and often characterized by the asymmetrical placement of suckers (i.e., the ventral expansion of the club) and the absence of a dorsal protective membrane. In crustaceans, the dactylus ...
Synonym: digit. ... Origin: G. Daktylos ... (05 Mar 2000) ... 
Type: Term Pronunciation: dak′ti-lŭs, -lī Synonyms: digit
dactylus A finger or toe.