Artwork
Cardiovascular system

Cardiovascular system is a drawing by H.G, Wetselaar. It dates from 1971 and is held in the collection of the Leiden University Libraries.
About this work
Overview
Cardiovascular System is a 1971 drawing by H.G. Wetselaar, held at the Museum of Ethnography. It is a detailed black-and-white representation of the human heart.
Subject & Meaning
The drawing depicts a cutaway view of the heart, showcasing its internal chambers and blood vessels. The level of detail suggests a focus on the heart's anatomy and function.
Technique & Style
The artist employed precise draftsmanship to illustrate the heart's structure. The use of varying line weights and textures, possibly achieved through cross-hatching, creates shading and visual interest.
Artist & collection
Artist
H.G. Wetselaar spent his days hunched over microscopes in a quiet Leiden lab, sketching what most people ignore. His pencil caught the raw architecture of bodies we pretend are smooth—like the knotted muscles of a…















