20th century preserved specimen of a medicinal leech (Hirudo medicinalis). Leeches are blood-sucking worms which were used to treat illnesses ascribed

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20th century preserved specimen of a medicinal leech (Hirudo medicinalis). Leeches are blood-sucking worms which were used to treat illnesses ascribed to the patient having an excess of blood.

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Size: 2441px × 3662px
Photo credit: © GREGORY DAVIES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1900s, 20th, background, biological, biology, blood, bottle, bottled, case, century, cut, cut-, cutout, formaldehyde, formalin, glass, hirudo, historical, history, jar, leech, medical, medicinal, medicinalis, medicine, museum, preservation, preserved, specimen, treatment, white, zoological, zoology