mouth: lips, cheek, palate, tongue, teeth, salivary glands. Pharinx, oesophagus, stomach and Ruminants' forestomachs, gut, anal canal, liver and pancreas.
endocrine hypothalamus, pituitary gland, pineal gland, thyroid, parathyroid, adrenal gland, islets of Langerhans.
eye: eye-ball, orbital cavity and its content,eyelids, lacrimal glands,
ear: outer, middle and inner ear.
Classification of the nervous fibres. Brain and spinal cord morphology; most important central nervous pathways, Cranial and spinal nerves, meninges. Autonomous system.