DD Medical Atlas

Public illustration library

Medical illustrations for teaching and learning

Browse a selected collection of educational previews. Create a free account to open an illustration in the annotation workspace.

Comparison of ulcerative colitis and Crohn’s disease showing differences in the location and pattern of intestinal inflammation

Gastroenterology

Ulcerative colitis versus Crohn's disease

A medical illustration comparing the continuous colonic inflammation associated with ulcerative colitis with the patchy, transmural inflammation that may occur in Crohn’s disease.

Healthy small-bowel villi compared with villous atrophy in coeliac disease

Gastroenterology

Coeliac villous atrophy

A medical illustration comparing healthy small-intestinal villi with the villous atrophy associated with untreated coeliac disease and reduced nutrient absorption.

Colon illustration comparing diverticulosis with inflamed diverticula in diverticulitis

Gastroenterology

Diverticulosis and diverticulitis

A medical illustration showing diverticula in the colon and the inflammation that distinguishes diverticulitis from uncomplicated diverticulosis.

Healthy lower oesophagus compared with reflux oesophagitis

Gastroenterology

Reflux oesophagitis comparison

A medical illustration comparing a healthy lower oesophagus with irritation and inflammation caused by gastro-oesophageal reflux.

Normal heart anatomy showing the major coronary arteries

Cardiology

Normal heart coronary anatomy

A labelled medical illustration of normal cardiac anatomy and the principal coronary arteries supplying the heart muscle.

Human respiratory system showing the lungs, trachea and branching airways

Respiratory

Complete respiratory anatomy

A medical illustration of the respiratory tract, lungs and branching airways used in breathing and gas exchange.

Normal bronchiole compared with an inflamed and narrowed asthmatic bronchiole

Respiratory

Asthmatic bronchiole comparison

A cross-sectional medical illustration comparing a normal bronchiole with airway narrowing, inflammation and mucus during asthma.

Lung and airway changes associated with chronic obstructive pulmonary disease

Respiratory

COPD overview

A medical illustration summarising airway obstruction and lung changes associated with chronic obstructive pulmonary disease.

Normal knee joint anatomy showing bones, cartilage, menisci and ligaments

Musculoskeletal

Normal knee anatomy

A medical illustration of normal knee anatomy, including the principal bones, cartilage, menisci and supporting ligaments.

Healthy knee compared with cartilage loss and joint changes in knee osteoarthritis

Musculoskeletal

Osteoarthritis knee comparison

A medical illustration comparing a healthy knee joint with cartilage loss, joint-space narrowing and bony changes in osteoarthritis.

Achilles tendon showing insertional and mid-portion tendinopathy

Musculoskeletal

Achilles tendinopathy

A medical illustration showing the Achilles tendon and common sites of insertional and mid-portion tendinopathy.

Comparison of normal foot arch, pes planus flat foot and pes cavus high arch

Podiatry

Foot Arch Types

A comparative medical illustration of a normal foot arch, pes planus and pes cavus for podiatry and gait education.

Overview of the brain, skull, spinal cord and peripheral nerves

Neurology

Brain skull spinal nerves

A medical illustration providing an overview of the brain, skull, spinal cord and major peripheral nerve pathways.

Kidney cross-section showing the cortex, medulla, renal pyramids, calyces and pelvis

Renal and urinary

Kidney cutaway layers

A cutaway medical illustration showing the cortex, medulla, pyramids, calyces and renal pelvis of the kidney.

Progression from healthy liver to fibrosis and cirrhosis in chronic liver disease

Gastroenterology

Chronic liver disease progression

A medical illustration showing the progression from a healthy liver through fibrosis to cirrhosis in chronic liver disease.

Healthy artery compared with an artery narrowed by atherosclerotic plaque

Cardiology

Atherosclerosis comparison

A medical illustration comparing a healthy artery with atherosclerotic plaque formation, arterial narrowing and restricted blood flow.

Balloon angioplasty and coronary stent placement sequence

Cardiology

Balloon angioplasty stent sequence

A step-by-step medical illustration showing balloon angioplasty and coronary stent placement used to reopen a narrowed coronary artery.

Tooth and periodontium anatomy showing enamel dentine pulp roots and supporting tissues

Dentistry

Tooth and periodontium anatomy

A labelled dental illustration showing the crown, enamel, dentine, pulp, roots and supporting periodontal tissues of a tooth.

Stages of dental caries progressing from enamel to dentine and dental pulp

Dentistry

Dental caries progression

A medical illustration showing the progression of dental caries from early enamel decay through dentine involvement to the dental pulp.

Normal skin layers and appendages in anatomical cross-section

Dermatology

Normal skin layers and appendages

A cutaway medical illustration of normal skin showing the epidermis, dermis, subcutaneous tissue, hair follicles, glands, nerves and vessels.

Healthy skin compared with inflamed thickened skin in psoriasis

Dermatology

Psoriasis skin comparison

A medical illustration comparing healthy skin with the thickened epidermis, inflammation and accelerated skin-cell turnover associated with psoriasis.

Acne vulgaris progression from blocked pore to inflammatory lesion

Dermatology

Acne vulgaris progression

A medical illustration showing how blocked pilosebaceous units may progress through comedonal and inflammatory stages of acne vulgaris.

Healthy skin barrier compared with dry inflamed skin in atopic dermatitis

Dermatology

Atopic dermatitis comparison

A comparative medical illustration showing healthy skin and the impaired skin barrier, dryness and inflammation associated with atopic dermatitis.

Human endocrine system showing the major hormone-producing glands

Endocrinology and Diabetes

Endocrine overview

A medical illustration locating the principal endocrine glands and showing their roles in hormonal regulation across the body.

Thyroid and parathyroid gland anatomy in the neck

Endocrinology and Diabetes

Thyroid parathyroid

A medical illustration showing the position and anatomy of the thyroid and parathyroid glands in the neck.

Normal thyroid compared with goitre and thyroid nodules

Endocrinology and Diabetes

Thyroid goitre nodules

A medical illustration comparing normal thyroid anatomy with thyroid enlargement and common patterns of thyroid nodules.

Complete human gastrointestinal system and associated digestive organs

Gastroenterology

Complete gastrointestinal anatomy

A medical illustration of the complete gastrointestinal tract and associated digestive organs from the oesophagus to the rectum.

Stomach cutaway showing a gastric ulcer in the stomach lining

Gastroenterology

Gastric ulcer cutaway

A cutaway medical illustration showing a gastric ulcer extending through the protective lining of the stomach.

Gallstones in the gallbladder and bile duct causing biliary obstruction

Gastroenterology

Gallstones biliary obstruction

A medical illustration showing gallstones within the gallbladder and bile duct obstruction affecting normal bile drainage.

Inflamed pancreas and surrounding anatomy in acute pancreatitis

Gastroenterology

Acute pancreatitis

A medical illustration showing pancreatic inflammation and surrounding anatomical structures in acute pancreatitis.

Colonoscopy examination with endoscopic polyp removal

Gastroenterology

Colonoscopy and polypectomy

A medical illustration showing colonoscope navigation through the large bowel and endoscopic removal of a colonic polyp.

Upper gastrointestinal endoscopy route through oesophagus stomach and duodenum

Gastroenterology

Upper gi endoscopy

A medical illustration showing the route of an upper gastrointestinal endoscope through the oesophagus, stomach and duodenum.

Enteral nutrition support showing common gastrointestinal tube-feeding routes

Gastroenterology

Enteral nutrition support

A medical illustration explaining enteral nutrition support and common tube-feeding routes into the gastrointestinal tract.

Internal and external haemorrhoids with clinical classification

Gastroenterology

Haemorrhoid classification

A medical illustration showing internal and external haemorrhoids and the anatomical features used in clinical classification.

Stages of swallowing and food bolus movement through the oesophagus

Gastroenterology

Swallowing and oesophageal transit

A medical illustration showing the coordinated stages of swallowing and movement of a food bolus through the oesophagus.

Long bone anatomy showing cortical bone trabecular bone and marrow

Musculoskeletal

Long bone structure

A cutaway medical illustration of long-bone structure showing cortical bone, trabecular bone, marrow and growth regions.

Healthy knee compared with rheumatoid arthritis inflammation and joint damage

Musculoskeletal

Rheumatoid knee comparison

A medical illustration comparing a healthy knee with synovial inflammation and joint damage associated with rheumatoid arthritis.

Lateral ankle ligaments and common ankle sprain injury

Musculoskeletal

Lateral ankle sprain

A medical illustration showing the lateral ankle ligaments and common patterns of injury during an ankle sprain.

Herniated intervertebral disc pressing near a spinal nerve root

Musculoskeletal

Disc herniation

A spinal cutaway illustration showing an intervertebral disc herniation and its relationship to adjacent nerve roots.

Eye and orbital anatomy showing the globe optic nerve and extraocular muscles

Ophthalmology

Eye and orbital anatomy

A cutaway medical illustration showing the structures of the eye, optic nerve, extraocular muscles and surrounding orbit.

Eye comparison showing cataract and glaucoma mechanisms

Ophthalmology

Cataract and glaucoma mechanisms

A comparative medical illustration showing lens clouding in cataract and pressure-related optic-nerve damage in glaucoma.

External middle and inner ear anatomy with sound conduction pathway

ENT — Otolaryngology

Ear anatomy and sound conduction

A medical illustration showing external, middle and inner ear anatomy and the pathway of sound conduction.

Paranasal sinus anatomy and normal drainage pathways

ENT — Otolaryngology

Paranasal sinuses and drainage

A facial cutaway illustration showing the frontal, ethmoid, sphenoid and maxillary sinuses and their drainage pathways.

Obstructing kidney stone causing urinary blockage and hydronephrosis

Renal and urinary

Obstructing stone hydronephrosis

A medical illustration showing an obstructing urinary stone and the resulting dilation of the renal collecting system in hydronephrosis.

Male and female urinary tract anatomy

Renal and urinary

Male female urinary tract

A comparative medical illustration showing male and female urinary tract anatomy, including the kidneys, ureters, bladder and urethra.

Healthy lung compared with pneumonia and lung consolidation

Respiratory

Pneumonia consolidation

A medical illustration comparing healthy air-filled lung tissue with inflammatory fluid and consolidation associated with pneumonia.

Pleural effusion with fluid accumulating around and compressing the lung

Respiratory

Pleural effusion

A medical illustration showing fluid accumulating in the pleural space and compressing the adjacent lung in pleural effusion.

Female reproductive anatomy showing uterus ovaries uterine tubes cervix and vagina

Reproductive and breast health

Female reproductive anatomy

A medical illustration of the female reproductive system showing the uterus, ovaries, uterine tubes, cervix and vagina.