Anatomic features of a juvenile and mature Amanita species mushroom

Anatomical development of a "toadstool"-type mushroom (Amanita species).
(A) Juvenile mushroom "button."
(B) Mature mushroom "toadstool."

Reproduced with permission from: Diaz JH. Evolving global epidemiology, syndromic classification, general management, and prevention of unknown mushroom poisonings. Crit Care Med 2005; 33:419. Copyright © 2005 Lippincott Williams & Wilkins.

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