ACMT Toxicology Visual Pearl – Along Comes a Spider

What is this pictured spider that can inflict a deadly bite?

1. Black Widow Spider (Latrodectus mactans)
2. Brown Recluse Spider (Loxosceles reclusa)
3. Redback Spider (Latrodectus hasselti)
4. Sydney Funnel Web Spider (Atrax robustus)

[Image from thebeachcomber, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, via Wikimedia]

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