Anatomy notes

Body anatomy

The body’s organs, bones and muscles, written as notes rather than reference entries. Each page has a labeled 3D atlas image, key facts, a mnemonic and a quiz.

• Adrenal gland

  Produces steroid hormones and catecholamines. Learn the adrenal gland anatomy notes, key facts, memory aid and quiz.

• Aorta

  Main systemic artery. Learn the aorta anatomy notes, key facts, memory aid and quiz.

• Biceps brachii

  The biceps brachii flexes the elbow and supinates the forearm. Learn its origin, insertion, action, innervation, clinical signs and quiz — with a labeled 3D atlas image.

• Clavicle

  S-shaped bone, connects sternum to scapula, strut for shoulder. Learn the clavicle anatomy notes, key facts, memory aid and quiz.

• Common carotid artery

  Supplies blood to head and neck. Learn the common carotid artery anatomy notes, key facts, memory aid and quiz.

• Deltoid

  Abducts arm and shapes shoulder contour. Learn the deltoid anatomy notes, key facts, memory aid and quiz.

• Diaphragm

  Primary muscle of respiration. Learn the diaphragm anatomy notes, key facts, memory aid and quiz.

• External oblique

  Compresses abdomen, flexes and rotates trunk. Learn the external oblique anatomy notes, key facts, memory aid and quiz.

• Femoral artery

  Main arterial supply to lower limb. Learn the femoral artery anatomy notes, key facts, memory aid and quiz.

• Femur

  The femur is the thigh bone and the longest bone in the body. Learn its head, neck, trochanters, shaft, condyles, muscle attachments and quiz — with a labeled 3D atlas image.

• Fibula

  Lateral bone of lower leg, not weight-bearing, muscle attachment. Learn the fibula anatomy notes, key facts, memory aid and quiz.

• Gallbladder

  Stores and concentrates bile, releasing it into the duodenum. Learn the gallbladder anatomy notes, key facts, memory aid and quiz.

• Gastrocnemius

  Plantarflexes ankle and flexes knee. Learn the gastrocnemius anatomy notes, key facts, memory aid and quiz.

• Gluteus maximus

  Hip extension and lateral rotation. Learn the gluteus maximus anatomy notes, key facts, memory aid and quiz.

• Hamstrings

  Knee flexion and hip extension. Learn the hamstrings anatomy notes, key facts, memory aid and quiz.

• Heart

  The heart is a four-chambered pump in the mediastinum. Learn its chambers, valves, blood flow, coronary supply, mnemonic and quiz — with a labeled 3D atlas image.

• Hip bone

  Forms pelvic girdle and transfers weight to lower limbs. Learn the hip bone anatomy notes, key facts, memory aid and quiz.

• Humerus

  The humerus is the bone of the arm. Learn its head, surgical neck, radial groove, condyles, nerves at risk, muscle attachments and quiz — with a labeled 3D atlas image.

• Inferior vena cava

  Returns deoxygenated blood from lower body to right atrium. Learn the inferior vena cava anatomy notes, key facts, memory aid and quiz.

• Kidneys

  The kidneys filter blood and regulate fluid, electrolytes and acid-base balance. Learn their location, nephron, blood supply, memory aids and quiz — with a labeled 3D atlas image.

• Large intestine

  Absorbs water and forms feces. Learn the large intestine anatomy notes, key facts, memory aid and quiz.

• Latissimus dorsi

  Extends, adducts, and medially rotates humerus. Learn the latissimus dorsi anatomy notes, key facts, memory aid and quiz.

• Liver

  The liver is the largest internal organ. Learn its lobes, segments, portal blood supply, biliary tree, functions, mnemonic and quiz — with a labeled 3D atlas image.

• Lungs

  The lungs exchange oxygen and carbon dioxide. Learn the lobes, fissures, pleura, airways, blood supply, mnemonic and quiz — with a labeled 3D atlas image.

• Mandible

  Forms the lower jaw and holds lower teeth. Learn the mandible anatomy notes, key facts, memory aid and quiz.

• Masseter

  Powerful elevator of the mandible for chewing. Learn the masseter anatomy notes, key facts, memory aid and quiz.

• Patella

  Sesamoid bone in quadriceps tendon, protects knee joint. Learn the patella anatomy notes, key facts, memory aid and quiz.

• Pectoralis major

  Adducts and medially rotates humerus. Learn the pectoralis major anatomy notes, key facts, memory aid and quiz.

• Pulmonary trunk

  Carries deoxygenated blood from right ventricle to lungs. Learn the pulmonary trunk anatomy notes, key facts, memory aid and quiz.

• Quadriceps

  The quadriceps femoris is the four-muscle group that extends the knee. Learn its parts, origin, insertion, action, femoral nerve supply and quiz — with a labeled 3D atlas image.

• Radius

  Forearm bone on thumb side, forms wrist joint. Learn the radius anatomy notes, key facts, memory aid and quiz.

• Rib

  Protects thoracic organs and aids breathing. Learn the rib anatomy notes, key facts, memory aid and quiz.

• Rotator cuff

  Stabilizes shoulder joint and enables arm rotation. Learn the rotator cuff anatomy notes, key facts, memory aid and quiz.

• Sacrum

  Fuses vertebrae and transmits weight to pelvis. Learn the sacrum anatomy notes, key facts, memory aid and quiz.

• Sartorius

  Longest muscle in the body, flexes hip and knee, externally rotates thigh. Learn the sartorius anatomy notes, key facts, memory aid and quiz.

• Scapula

  The scapula is the shoulder blade. Learn its spine, acromion, coracoid, glenoid, borders, muscle attachments and quiz — with a labeled 3D atlas image.

• Small intestine

  Digests and absorbs nutrients. Learn the small intestine anatomy notes, key facts, memory aid and quiz.

• Soleus

  Plantarflexes ankle. Learn the soleus anatomy notes, key facts, memory aid and quiz.

• Sternum

  Flat breastbone, protects heart and lungs, rib attachment. Learn the sternum anatomy notes, key facts, memory aid and quiz.

• Stomach

  The stomach stores and digests food. Learn its parts, wall layers, acid secretion, blood supply, clinical links and quiz — with a labeled 3D atlas image.

• Superior vena cava

  Returns deoxygenated blood from upper body to right atrium. Learn the superior vena cava anatomy notes, key facts, memory aid and quiz.

• Temporalis

  Elevates and retracts the mandible. Learn the temporalis anatomy notes, key facts, memory aid and quiz.

• Tibia

  Main weight-bearing bone of lower leg. Learn the tibia anatomy notes, key facts, memory aid and quiz.

• Tibialis anterior

  Dorsiflexes and inverts the foot. Learn the tibialis anterior anatomy notes, key facts, memory aid and quiz.

• Trachea

  Conducts air to bronchi. Learn the trachea anatomy notes, key facts, memory aid and quiz.

• Trapezius

  Elevates, retracts, and rotates scapula. Learn the trapezius anatomy notes, key facts, memory aid and quiz.

• Triceps brachii

  Extends elbow and adducts shoulder. Learn the triceps brachii anatomy notes, key facts, memory aid and quiz.

• Ulna

  Forearm bone on pinky side, forms elbow joint. Learn the ulna anatomy notes, key facts, memory aid and quiz.

• Urinary bladder

  Stores urine until micturition. Learn the urinary bladder anatomy notes, key facts, memory aid and quiz.

• Vertebra

  Supports body weight and protects spinal cord. Learn the vertebra anatomy notes, key facts, memory aid and quiz.

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