Pages from a notebook by Shingo Ikeda.
Found here.
Blue Unicorn.
This served as the Bouroughs Wellcome Foundation logo until from 1908 - 1995.
Found here.
Treatment to neck
From Observationum et curationum chirurgicarum centuriae… (1641)By Gulielmus Fabricius Hildanus.
Found here.
Snap.
Found here.
Give us a smile.
Found here.
Anatomy of the horse,  thought to be based  on the drawings of the human anatomy complied by Mansur ibn Ilyas.
Dissection was contrary to Islamic law, so knowledge of human anatomy was based on animal studies. This drawing is from a rare set of drawings, mirroring those of the human body, showing the anatomy of a horse.
Found here.
Spider in its webJacob Meydenbach, Mainz (1491).
Found here.
19th century skull mask from Bhutan.
Found here.
Phrenological chart by Dr. John William Taylor.
Found here.

Ancient Hindu medical instruments.

Forceps

Curlew ligature forceps


Lion forceps


Forceps



Heron shape compression forceps


Wolf forceps


Tiger forceps

Heron forceps

All the above images were found here.

I like this for its composition.
It is actually an early cardiograph found here.
Poster about the fall in infant mortality between 1900 and 1938.
Found here.
AIDS is Death
Poster from Pakistan (circa 1996).
Found here.
A pair of eyes expressing the character of a solid  thinker, unhurried, yet intrepid if required.
From J.C. Lavater, Essays on Physiognomy, trans. Henry Hunter, London 1789-1798.
Found at the Wellcome Collection.