Pthirus

noun

Pthir·​us ˈthir-əs How to pronounce Pthirus (audio)
: a genus of lice (family Pthiridae) that contains the pubic louse (P. pubis)

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PTH
Pthirus
ptomaine
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“Pthirus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Pthirus. Accessed 11 Nov. 2025.

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