penicillus

noun
pen·i·cil·lus | \ ˌpen-ə-ˈsil-əs \
plural penicilli\-ˌī \

Medical Definition of penicillus 

1 : one of the small straight arteries of the red pulp of the spleen

2 : the branching penicillate conidiophore in fungi of various genera (as Penicillium)

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