610 GLOSSARY. 



curved laterally by the stronger contraction of the muscles on one side 

 of the body. 



POLARITY. That property which disposes the particles of all kinds 

 of matter to move in a regular and determinate manner when affected 

 by other agents. 



POLL. The highest point of the head, marked by a transverse bony 

 ridge. 



PROGNOSIS. A judgment formed regarding the future progress and 

 termination of any disease. 



PROTEAN. Assuming different shapes. 



PULMONARY. Belonging to the lungs. 



PYRIFORM. Shaped like a pear. 



QUARANTINE. The time during which men or animals, coming from 

 a country where any contagious disease exists, are kept from inter- 

 course with the inhabitants of the country. 



EECTUM. The last or straight gut. 



RENIFORM. Kidney shaped. 



SCHNEIDERIAN MEMBRANE. The mucous membrane lining the nose. 



SCOLEX. The ascaris lumbricoides an intestinal worm. 



SENSORIUM. The common centre of sensations. 



SEPTUM VENTRICULOSUM. The muscular partition between the two 

 ventricles of the heart. 



SEROUS MEMBRANES. A class of delicate membranes, which form 

 closed sacs, met with in the chest, abdomen, and spinal canal. 



SIBILANT. Making a hissing or whistling sound. 



SINAPISM. A poultice of which mustard forms the basis. 



SPHINCTER. A name given to several annular muscles, which con- 

 strict or close certain natural openings. 



SPORADIC. Diseases which occur in isolated cases, and indepen- 

 dently of any contagious or epizootic influence. 



STASIS. Stagnation, without any morbid condition of the fluids. 



STERNUM. The breast bone. 



STHENIC. Strong. Action. Applied to inflammation or fever. 



STYPTIC. A substance used to check haemorrhage. 



SUB-ACUTE. Applied to maladies which last from seven to twenty days. 



SUPPOSITORY. A solid medicinal agent introduced into the rectum. 



SUPPURATION. The formation or secretion of pus or matter. 



SUTURE. The line of union of two flat bones. 



TAXIS. Term for the operation of replacing by the hand, without 

 using instruments, any parts that have left their natural situations, as in 

 the reduction of hernia, &c. 



TERATOLOGY. A treatise on monsters. 



THERAPEUTIC. Curative. Therapeutics is that part of medicine 

 the object of which is the treatment of disease. 



THORAX, The chest. 



THYMUS-GLAND. The sweetbread of the butcher. An organ situ- 

 ated in the anterior part of the chest in the mediastinum, and usually 

 absent in adult life. 



