arachnolysin

a·rach·nol·y·sin

(ar'ak-nol'i-sin),
A hemolytic substance in the venom of certain spiders.

arachnolysin

(ă-rak″nō-lī′sĭn) [Gr. arachnē, spider, spider web + lysin]
The hemolysin present in spider venom.