Ambulance 912HAP 9252

Health in pictures

Images and videos

See how your body works and what happens with a symptom, examination or treatment.

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107 images · From A to Z

Front view of the abdominal organs showing the liver, gallbladder, stomach, pancreas, spleen, small bowel and large bowel in relation to one another.

Abdominal organs

Heart with a detail of a narrowed coronary artery in which blood is still flowing, and a marked area with reduced oxygen supply.

Angina pectoris

Large bowel with a red, inflamed appendix in the lower right abdomen, on the left in the front view, and an enlarged detail.

Appendicitis

Comparison of a normal airway with a narrowed airway during asthma symptoms due to swollen lining, mucus and tightened small muscles.

Asthma

Narrowed airway with contracted muscles, swollen lining and mucus during an asthma attack.

Asthma attack

Atopic eczema in an elbow crease on brown skin, with an enlarged detail of the damaged skin barrier and moisture loss.

Atopic eczema

Medical illustration of two kidneys connected to the bladder by separate ureters, with the urethra below the bladder.

Bladder and kidneys

A health professional wearing gloves collects blood from a vein in the elbow crease into a blood sample tube.

Blood sampling

Anatomical view of the bones of a right foot showing the toe bones, metatarsals, tarsal bones and heel bone.

Bones of the foot

Anatomical view of the wrist showing the radius, ulna, eight carpal bones and the five adjoining metacarpal bones.

Bones of the wrist

Two anatomical side cross-sections of breast tissue, without an implant and with an implant in front of the chest muscle.

Breast augmentation

A small burn on a forearm is cooled directly under running tap water.

Burns

Clinical cross-section of a pregnant uterus showing the abdominal wall, uterus and aligned lower incisions for a caesarean birth.

Caesarean birth

Hand and wrist showing the median nerve and a cross-section of the carpal tunnel with nerve compression above nine tendons.

Carpal tunnel syndrome

Cross-section of the head and neck showing food blocking the upper airway; the windpipe and oesophagus are labelled separately.

Choking

Internal view of the large bowel with a continuous flexible endoscope running through the rectum to the caecum; the camera, endoscope and bowel wall are labelled.

Colonoscopy

Anatomical cross-section during colposcopy: a speculum in the vagina and a colposcope outside the body directed at the cervix.

Colposcopy

Side cross-section of the nose and throat during a cold, with swollen nasal lining, mucus and the pharynx labelled.

Common cold

Cross-section of the lower part of the large bowel showing hard, dry lumps of stool.

Constipation

Chest compressions on an adult with hands in the centre of the chest, straight arms and an AED nearby.

CPR

A young child with a dry mouth and few tears; a nappy illustrates that fewer wet nappies may be a sign of dehydration.

Dehydration in children

Two comparable brain cross-sections, without and with atrophy; Alzheimer's disease is explicitly named as an example of changes in dementia.

Dementia / changes in the brain

Sole of a foot showing a small wound, nerve and blood vessel to explain diabetic foot problems.

Diabetic foot

Comparison of a normal retina with a retina showing damaged small blood vessels, small bleeds and leakage in diabetic retinopathy.

Diabetic retinopathy

Large bowel with watery stool and symbols explaining the loss of water and salts during diarrhoea.

Diarrhoea and dehydration

Enlarged cross-section of the bowel wall showing a non-inflamed and an inflamed pouch, alongside a small location marker in the sigmoid colon.

Diverticulitis

Clinical cross-section of a friction blister with a sterile needle inserted superficially, the blister roof preserved and a dressing applied; preferably leave closed blisters intact.

Draining a blister

Clinical cross-section of an ear with an inflamed, outward-bulging eardrum and fluid in the middle ear.

Ear infection

Detail of an ECG electrode on the skin connected to a device recording the heart's electrical activity; the rhythm traces are illustrative.

ECG (electrocardiogram)

Womb and fallopian tubes with an early pregnancy in one fallopian tube.

Ectopic pregnancy

Endometriosis lesions on surfaces outside the womb, including the pelvic lining and ovaries.

Endometriosis

Comparison of a normal and an enlarged prostate below the bladder; the enlarged prostate narrows the urethra.

Enlarged prostate

Brain with an example of disrupted electrical activity and an enlarged detail of nerve cells transmitting many signals at the same time.

Epileptic seizure

Clinical view of the eye with the tear gland on the outer side and the tear drainage openings, tear sac and tear duct on the nasal side.

Eye with tear gland and tear ducts

Cross-section of an eye with separate labels for the pupil opening, iris, lens and retina.

Eye, pupil, iris, retina and lens

Internal view of the womb and ovaries with a closed fallopian tube on each side.

Female sterilisation

A parent uses a digital thermometer under the arm to measure the temperature of an awake, listless child.

Fever in children

Side view of three vertebrae, with the front of the middle vertebra collapsed; a normal vertebra and disc are labelled.

Fractured vertebra

Cross-section of the gallbladder with gallstones beneath the liver; the bile ducts lead to the duodenum.

Gallstones

Anatomical cross-section at the back of a wrist showing a fluid-filled ganglion cyst and a narrow connection to the joint capsule.

Ganglion cyst

Roux-en-Y gastric bypass with a small stomach pouch, the remaining stomach and two bowel routes joining lower down; arrows show food and digestive juices.

Gastric bypass

Gastric sleeve with a narrow remaining stomach and the stomach outlet preserved; a pale outline shows the removed part of the stomach.

Gastric sleeve

A flexible endoscope passes through the mouth and oesophagus into the stomach, where the camera head illuminates the stomach wall.

Gastroscopy

Cross-section of the ear showing mucus in the middle ear behind an intact eardrum, and the Eustachian tube.

Glue ear

Comparison of a normal forefoot and hallux valgus, in which the big toe deviates towards the second toe and a bump forms on the inner side.

Hallux valgus

Heart with a blocked coronary artery and damaged heart muscle, with a detail of plaque and a blood clot.

Heart attack

Two examples of heart failure: an enlarged left ventricle with reduced pumping strength and thickened heart muscle that fills less easily.

Heart failure

Heart with simple symbolic patterns for rhythms that are too fast, too slow or irregular.

Heart rhythm disorder

Medial cross-section of a foot showing a bony growth beneath the heel bone and the plantar fascia beneath the arch.

Heel spur

Illustrative comparison of normal and raised pressure against an artery wall.

High blood pressure

Comparison of a normal hip joint and a hip with osteoarthritis, showing damaged cartilage and changes at the bone edges.

Hip osteoarthritis

High glucose in the blood with thirst and frequent urination as possible symptoms.

Hyperglycaemia

Low glucose in the blood with sweating and trembling as possible symptoms.

Hypoglycaemia

Inguinal hernia with a loop of bowel in a hernia sac bulging forwards through a weak spot in the abdominal wall, with a small location marker at the groin.

Inguinal hernia

Insulin binds to a receptor on the outside of a muscle cell; glucose enters through separate transporters.

Insulin and blood glucose

Internal cross-section of a womb with a copper coil in the uterine cavity and two threads passing through the cervix into the upper vagina.

Intrauterine device (coil)

Brain and bowel with signals in both directions, altered bowel movements and increased sensitivity in irritable bowel syndrome.

Irritable bowel syndrome

Cross-section of a kidney with a stone in the ureter; a detail shows the blockage and the build-up of urine above it.

Kidney stone

Normal knee joint showing the thigh bone, kneecap, shin bone, meniscus and cartilage.

Knee

Comparison of a normal knee and a knee with osteoarthritis, particularly on the inner side of the joint.

Knee osteoarthritis

Rear view of the lower back with a diffuse marked area of pain, without any structural damage depicted.

Lower back pain

Isolated segments of the vas deferens showing schematic closure on both sides.

Male sterilisation

Front view of the maxillary sinuses, with a normal air-filled cavity on one side and swollen lining and accumulated mucus on the other.

Maxillary sinusitis

Four phases of the menstrual cycle with internal anatomy: menstruation, build-up of the lining, ovulation from an ovary and thickened lining.

Menstrual cycle

Woman with a headache at one temple and symbols for sensitivity to light and sound during migraine.

Migraine

A patient on the MRI table with hearing protection, a receiver coil over the abdomen and an alarm button in their hand.

MRI scan

Normal artery alongside an artery narrowed by plaque in the vessel wall.

Narrowed blood vessels (atherosclerosis)

Three comparable cross-sections of air sacs: thin normal walls, inflamed walls and lost partitions with larger merged air spaces.

Normal, inflamed and damaged air sacs in COPD

Comparison of a normal finger joint and a joint with osteoarthritis, showing thinner cartilage and bony growths.

Osteoarthritis

Cross-sections of the upper part of a thigh bone with normal bone tissue and with reduced bone tissue in osteoporosis.

Osteoporosis

Oxygen passes from an air sac into the blood; carbon dioxide passes from the blood into the air sac.

Oxygen uptake in the air sacs

Outer side of the hip showing a buttock muscle, tendon and painful area near the greater trochanter.

Pain on the outside of the hip

Knee showing an area of pain around the kneecap and intact joint structures.

Patellofemoral pain

Side cross-sections of the pelvis showing normally supported organs and an example of a womb that has moved downwards.

Pelvic organ prolapse

Cross-section of a pregnant womb with the placenta and umbilical cord; a detail shows two umbilical arteries and one umbilical vein.

Placenta and umbilical cord

Lung with an inflamed area and a detail of air sacs containing fluid.

Pneumonia

Three clinical cross-sections of the womb show an example of growth and development during the first, second and third trimesters.

Pregnancy by trimester

Clinical diagram of the bladder, vas deferens, prostate and the urethra passing through the prostate.

Prostate, bladder, vas deferens and urethra

Lungs with a blood clot in a branch of the pulmonary artery.

Pulmonary embolism

An older woman who is thirsty, a detail of a dry mouth and a small amount of dark urine as recognisable signs of dehydration.

Recognising dehydration

Example of clear and blurred vision of the same garden scene, with a small eye illustration.

Reduced vision

Comparison of a normal closure between the stomach and oesophagus with reflux, in which stomach acid flows upwards past a relaxed sphincter.

Reflux symptoms

Cross-section beneath the tongue showing a salivary stone in the duct of the submandibular gland.

Salivary gland stone

Medical cross-section of the head and jaw showing the parotid, submandibular and sublingual glands and their ducts.

Salivary glands

Normal spinal segment alongside a segment with consecutive wedge-shaped vertebrae in Scheuermann's disease.

Scheuermann's disease

Clinical anatomy of the lower back, pelvis and one leg, with the sciatic nerve in yellow and radiating pain marked in pink.

Sciatica

Clinical cross-section of one half of the scrotum showing one testicle and the epididymis along its back.

Scrotum, testicle and epididymis

Clinical illustration of a swollen airway and an adrenaline auto-injector against the outer thigh, with the safety cap removed and an instruction to call an ambulance.

Severe allergic reaction (anaphylaxis)

Cross-section of the skin showing the epidermis, dermis, subcutaneous fat, hair follicle, sweat gland, blood vessel and nerve.

Skin

Cross-section of a lumbar vertebra with a herniated disc pressing on a nerve root, alongside a small location marker in the lower back.

Slipped disc in the lower back

Cross-section of neck vertebrae with a bulging disc pressing on a yellow nerve root; a small side view shows the location in the neck.

Slipped disc in the neck

Comparison of a normal throat with a throat containing two red, swollen tonsils; the uvula and both tonsils are labelled.

Sore throat and inflamed tonsils

Ischaemic stroke and brain haemorrhage as two forms of stroke.

Stroke

Outer side of the elbow with the attachment of the extensor tendon to the upper arm bone marked.

Tennis elbow

Clinical cross-section of a testicle with a lump and a separately labelled normal epididymis, alongside gentle palpation through intact scrotal skin.

Testicular cancer and self-examination

Diagram of an anxiety cycle: anxious thoughts, tension in the body, avoidance, brief relief and anxiety that persists.

The anxiety cycle

Open diagram with four steps: recognise your anxiety, practise in small steps, repeat safely and gain confidence.

The anxiety cycle: how to break it

Front and rear views of the thigh muscles showing the quadriceps, adductors and hamstrings.

Thigh muscles

Internal view of a young person's chest showing the two-lobed thymus behind a translucent breastbone, between the lungs and in front of the upper part of the heart.

Thymus

Bent ring finger with a detail of a thickened flexor tendon at the pulley at the base of the finger.

Trigger finger

Pancreas with a detail of immune cells and damaged beta cells in type 1 diabetes.

Type 1 diabetes

Type 2 diabetes showing reduced insulin sensitivity in a muscle cell and glucose remaining in the blood.

Type 2 diabetes

An external abdominal ultrasound with a probe and gel on the skin and an illustrative greyscale image on the screen.

Ultrasound scan

A metered-dose inhaler with a spacer, a mouthpiece sealed correctly by the lips and calm breathing.

Using an inhaler correctly

Clinical view of the head and suction cup within a simplified birth canal.

Vacuum-assisted birth

Front view with a cross-section of the vagina, cervix, womb, fallopian tubes and ovaries.

Vagina, womb, fallopian tubes and ovaries

Two steps in simple wound care: rinsing a superficial wound clean and then covering it with a clean dressing.

Wound care