Wikipedia:Featured pictures/Sciences/Biology

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  First medical X-ray, at and by Wilhelm Röntgen (restored by Yann)
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  Synthesis of the thyroid hormones, by Mikael Häggström
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  Karyogram of the human genome, by Mikael Häggström
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  Yawning infant, by Martin Falbisoner
• Vaccination with an mRNA vaccine, by SCNAT
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  Xiahe mandible, by Dongju Zhang
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  SARS-CoV-2, by the Rocky Mountain Laboratories
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  SARS-CoV-2 emerging from human cells, by the National Institute of Allergy and Infectious Diseases
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  CT scan of a pregnancy, by Mikael Häggström
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  Hermaphrodite, by Nadar (restored by Adam Cuerden)
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  Cardiac cycle, by DrJanaOfficial
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  Birth of a calf, by Basile Morin
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  Anatomical diagram of a limpet, by KDS4444
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  Bird egg, by KDS4444
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  Bacteriophages attached to a bacterial cell wall, by Graham Beards
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  Earthworm head, by KDS4444
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  Prokaryotic bacteria cell, by Oganesson007
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  Vaccine development by reverse genetics, by Mouagip
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  Human skull at Craniofacial abnormality, by LadyofHats
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  Sneezing, by James Gathany
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  Deconvoluted microscope image, by Methylated603
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  Feeding frenzy, by Luc Viatour
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  Wood samples, by Anonimski
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  Embryonic stem cells, by Ryddragyn
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  Anatomical diagram of a nautilus, by KDS4444
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  Anatomical diagram of a scallop, by KDS4444
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  Anatomical diagram of a hypothetical ancestral mollusc, by KDS4444
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  Neural system of a Placopecten magellanicus, by KDS4444
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  Post-clitellum segment of an annelid, by KDS4444
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  Browsing, by Yathin sk
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  Gastric mucous membrane, by Nephron
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  Muscles of the face, by Johannes Sobotta (edited by CFCF and Nagualdesign)
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  Caridoid escape reaction, by Kils (edited by Stigmatella aurantiaca)
• Experiments in the Revival of Organisms, by Techfilm Studio, Moscow
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  Human heart diagram, by ZooFari
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  Impalas fighting during rut, by Muhammad Mahdi Karim
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  DNA, by Richard Wheeler
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  Nictitating membrane, by Toby Hudson
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  Écorché at Honoré Fragonard, by Jebulon (edited by Julia W)
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  Child with smallpox, by James Hicks (restored by Econt)
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  Positron emission tomography, by Damato
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  Mantoux test, by Greg Knobloch
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  Central heterochromia at Heterochromia iridum, by Adam Cuerden (edited by Greg A L)
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  Odd-eyed cat, by Keith Kissel (edited by Tomer T)
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  Basal ganglia circuits, by Mikael Häggström (based on images by Andrew Gillies and Patrick J. Lynch)
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  Antigenic shift, by the National Institute of Allergy and Infectious Diseases (vectorized by Mouagip)
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  Circulatory system, by LadyofHats (edited by ZooFari and Jinman11)
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  Reference ranges for blood tests, by Mikael Häggström
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  Volume rendering, by Lackas
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  Steroidogenesis at Steroid, by Mikael Häggström and Slashme (edited by Hoffmeier and Settersr)
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  Tree of life, by Ernst Haeckel (restored by Ragesoss)
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  Pharyngeal jaws, by Zina Deretsky (vectorised by Pbroks13)
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  Ribbon diagram,by Jane S. Richardson
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  Citric acid cycle, by YassineMrabet (edited by Narayanese and TotoBaggins, vectorised by WikiUserPedia))
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  European Herring Gull excreting waste at Guano, by Sanchezn
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  The Cow-Pock—or—the Wonderful Effects of the New Inoculation! at Vaccine hesitancy, by James Gillray
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  Typhoid vaccination, by John Vachon (edited by Durova)
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  Caesarean section, by Salimfadhley (edited by Diliff)
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  Bones of the arm, by LadyofHats
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  Wormian bones, by LadyofHats
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  Studies of the Fetus in the Womb, by Leonardo da Vinci
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  CT scan, by the Department of Radiology, Uppsala University Hospital
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  Respiratory system, by LadyofHats (edited by Daniele Pugliesi)
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  Agar plates, by Bill Branson (edited by Fir0002)
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  Autotomy, by Fir0002
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  Diffusion MRI, by Thomas Schultz
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  Vitruvian Man, by Leonardo da Vinci
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  Neutrophil engulfing an anthrax bacterium, by Volker Brinkmann (edited by TimVickers)
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  Neuron cell, by LadyofHats (edited by Ysangkok)
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  Diagram of an eye, by Ignacio Icke (edited by Ysangkok)
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  Osmotic pressure on blood cells, by LadyofHats
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  Root canal treatment, by Jeremy Kemp (vectorised by jellocube27)
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  Strabismus surgery, by Bticho
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  Embryo by Ed Uthman
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  Antarctic krill eye, by Kils
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  Polydactyly, by Drgnu23 (edited by Grendelkhan, Raul654 and Solipsist)
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  Magnetic resonance imaging at Neuroimaging, by Fastfission