TT #227 · Parshas Shemini · Aliyah 7 · Passuk 39
Chabad.org — Vayikra Chapter 11 with Rashi
English: “From the animal”: a detached limb from a living animal can convey impurity, as supported by the verse’s wording.
Chullin 128b.
E-Daf.com — Chullin 128b (Tsurras Hadaf)
Textual derivation — The Chazal derives the stated rule from the wording and comparison in the verse.
The verse supports impurity from a detached living limb.