578 AMERICAN FARMER'S HORSE BOOK. 



Nasal — Belonging to the nose. 



Nausea — A disgust for food, with inclination to vomit. 



Navicular — A bone in the foot shaped like a boat. 



Nephritis — Pain or inflammation in the kidneys. 



Nerve — A bundle of white fibers, whose ofl&ce it is to convey sensations to the 



brain. 

 Normal— According to rule ; regular. 

 Nutrition — The process by which animals appropriate to their repair or growth 



materials taken from external substances. 



Obesity — Excessive fatness. 



Ocular — Relating to the eyes. 



Omentum — The caul ; a fold of the peritoneal membrane covering the intestines 



in front. 

 Optic — Relating to the eye, to sight, or to the laws of vision. 

 Organ — A natural instrument by which some process or function is carried on. 

 Osseous — Formed of, or resembling bone. 

 Ossify — To form bone; to become bone. 



Pabulum — Food. 



Pachydermata — Thick-skinned animals, as the horse. 



Palate — The roof of the mouth. 



Panacea — A medicine supposed to cure all diseases. 



Pancreas — A narrow, flat gland extending across the abdomen, known familiarly 



as the callet, or sweet bread. 

 Paroxysji — A fit of any disease coming on after a period of intermission. 

 Parturition — The act of bringing forth young. 

 Patella — The knee-pan. 

 Pathology — The branch of medical knowledge which treats of the nature and 



constitution qf disease. 

 Pectoral —Relating or belonging to the breast 

 Peptic — Promoting digestion. 



Pericardium — The serous membrane around the heart. 

 Perichondrium — The membrane covering the cartilages. I 

 Pericranium — The membrane lining the bones of the skull. 

 Periosteum — The fibrous membrane which invests a bone. 

 Peritoneum — The serous membrane which lines the cavity of the abdomen. 

 Permeate — To pass through without rupture or apparent displacement. 

 Pharynx — The muscular tube at the back part of the mouth which leads to the 



gullet. 

 Phlebotomy — The act or art of blood-letting. 

 Plasma — The colorless part of the blood. 

 Plethoric — Having a full habit of body. 

 Pleura — The serous membrane which lines the interior of the chest and covers 



the lungs. 

 Plsxus — A net- work of vessels. 



