Dr. Hegasy
Medical Illustrator

Free infographics and illustrations

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These illustrations are released under a Creative Commons CC‑BY‑SA‑ license and may thus be used freely. Please find more information on usage conditions at the end of this page. Some of these illustrations are published on WIKIPEDIA.
Nobel Prize 2021:
TRPV1 and Piezo2 (english)

Nobel Prize in Physiology or Medicine 2021: Discovery of TRPV1 and Piezo2.

Nobelpreis 2021:
TRPV1 und Piezo2 (deutsch)

Nobelpreis in Physiologie oder Medizin 2021: Entdeckung von TRPV1 und Piezo2.

Nobel Prize 2020:
Hepatitis C Virus (english)

Nobel Prize in Physiology or Medicine 2020: Discovery of Hepatitis C Virus.

Nobelpreis 2020:
Hepatitis C Virus (deutsch)

Nobelpreis in Physiologie oder Medizin 2020: Entdeckung des Hepatitis C Virus.

Nobel Prize 2019:
Hif‑alpha (english)

Nobel Prize in Physiology or Medicine 2019: Cellular oxygen adaption by Hif-alpha.

Nobelpreis 2019:
Hif‑alpha (deutsch)

Nobelpreis in Physiologie oder Medizin 2019: Zelluläre Sauer­stoff -Anpassung durch Hif-alpha.

Nobel Prize 2018:
CTLA4 and PD‑1 (english)

Nobel Prize in Physiology or Medicine 2018: CTLA4 and PD1

Nobelpreis 2018:
CTLA4 und PD‑1 (deutsch)

Nobelpreis in Physiologie oder Medizin 2018: CTLA4 und PD1.

Do's and Don'ts during
COVID‑19 pandemic (english)

Eight Do's and Don'ts recommended during the COVID-19 pandemic.

Verhaltens­regeln in der
COVID‑19 Pandemie (deutsch)

Darstellung von acht Verhaltens­regeln in der COVID-Pandemie.


Life cycle of Schistosoma mansoni: eggs, cerkaria, miracidia, fluke.


Lebenszyklus von Schistosoma mansoni (Pärchenegel): Ei, Zerkarie, Mirazidium, Adult.

Hand Disinfection

Instruction on hygienic hand disinfection according to DIN EN 1500.


Anleitung zur hygienische Hände­desinfektion nach dem Prüf­verfahren DIN EN 1500.

Complement System

Reaction cascade: Classical, alternative and lectin pathway, amplification loop, MAC, MBL, MASP.

Das Komplement­system

Reaktions­kaskade: klassischer, alternativer und Lektin-Weg, Amplifikation, MAC, MBL, MASP.

Layers of human skin

Layers and receptors of human skin. Meissner, Ruffini and Pacinian corpuscle, Merkel cell.

Schichten der Haut

Schichten und Rezeptoren der menschlichen Haut. Meissner, Ruffini, Merkel, Vater Pacini.

The Cardiac Cycle

Anatomy of the heart, valve positions during systole and diastole, ECG.

Der Herzzyklus

Anatomie des Herzens, Klappenpositionen während der Systole und der Diastole, EKG.

Multiple Sclerosis

Symptoms in multiple sclerosis: Intention tremor, internuclear ophthalmo­plegia, Babinski sign.

Multiple Sklerose

Symptome bei Multipler Sklerose: Intentionstremor, inter­nukleäre Ophthalmo­plegie, Babinski Reflex.

CRISPR-Cas9, part 1

Clustered regularly interspaced short palindromic repeats, tracrRNA, crRNA.

CRISPR-Cas9, part 2

Gene engineering, genome modification, tracrRNA, crRNA, sgRNA.

EHEC Outbreak in
Hamburg, 2011 (english)

Outbreak of enterohemorrhagic Escherichia coli: Incidence, notification latency, fenugreek sprouts.

Th1 immune response

A simplified view on the generation of a Th1 immune response. Dendritic cell, CD4 T cell, MHC II.

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These files are published under a Creative Commons CC‑BY‑SA‑4.0 license.

1. You may use them for any purpose.
2. You are obliged to give a reference to the creator as a link: "Illustration: www.hegasy.de"
More infographics will be published here on a regular basis.
Feel free to email me if you want to be notified of new releases.
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