Part 1 Alimentary system: lips, mouth, palate, tongue, teeth, salivary glands; b) soft palate, pharynx; c) oesophagus; d) stomach; e) small intestine; f) caecum; g) large colon, small colon, rectum and anus; h) liver; i) pancreas. Part 2 Respiratory system: a) nostrils, nasal cavities, paranasal sinuses; b) naso-pharynx, guttural pouches; c) larynx; d) trachea, bronchi, bronchioles; e)lungs; f) pleura; g) mediastinum, diaphragm. Part 3 Cardiovascular system: a) heart; b) blood vessels; c) lymphatics and lymph nodes; d) blood. Part 4 Urinary system: a) kidney; b) ureters, bladder, urethra (including vulva and penis/sheath). Part 5 Musculoskeletal system: a) bones; b) joints; c) ligaments and tendons; d) muscle. Part 6 Central nervous system: a) brain; b) spinal cord; c) peripheral nerves; d) eye and ear; Part 7 Endocrine and metabolic disorders a) adrenal, pituitary, thyroid and parathyroid; b) nutritional/deficiency diseases; c) poisonings. Part 8 Disorders of the neonate foal: a) infectious; b) non infectious (congenital, hereditary, immunological, behavioural, environmental diseases).