334 Glossary 



Spore. — The reproductive cell of many protozoa and of many 

 lower plants. It is usually inclosed in tough membranes and 

 is difficult to kill. 



Stigma. — See p. 248. 



Subcutaneous. — Beneath the skin. 



Sub-mucosa. — • The layer of tissue situated beneath the mucous 

 membrane. 



Syncope (sin-ko-pe). — Fainting. Failure of the heart's action. 



Trachea. — The wind-pipe. 



Traumatic. — Caused by an injury. 



Therapeutic. — Pertaining to the art and science of heahng. 



Thoracic. — Pertaining to the chest. 



Urate. — A salt of uric acid. A product of the secretion of the kid- 

 neys. The white part of a fowl's droppings. 



Ureters. — The tubes leading from the kidneys to the cloaca. 



Uterus. — See p. 248. 



Vagina. — That portion of the o\aduct between the shell gland and 

 the cloaca. 



Ventral. — Pertaining to, or situated toward, the belly. 



Virulent. — Extremely poisonous or dangerous. 



Virus. — Any animal poison, especially one produced by and ca- 

 pable of transmitting a disease. 



Viscera. — The internal organs of the body. 



