A worm found in the left ventricle
Licence: Public Domain Mark
Credit: A worm found in the left ventricle. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0012373/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: A worm found in the left ventricle. Wellcome Collection. Source: Wellcome Collection.