GLOSSARY 



Actinpmycosis an infectious disease affecting cattle and some- 

 times man, characterized by tumour growths of the jaw, the 

 lungs, the tongue, &c., and due to a streptothrix^ q.v. : known 

 popularly as woody-tongue. 



Algae cellular cryptogamaceous plants including many seaweeds. 



Amylase a ferment capable of decomposing starch. 



Ankylostoma the " hook-worm," a parasite of the small intestine, 

 common in the tropics and among miners, and producing 

 severe anaemia, the " miners' anaemia." 



Annelids a class of Vermes, or worms, including the common 

 earthworm. 



Ascitic fluid the fluid producing abdominal dropsy. 



Ascus an enlarged cell of a fungus in which the spores are 

 developed, usually the terminal end of a hypha or thread. 



Auto-intoxication the poisoning of the body by materials developed 

 within itse]f: gout, arterio-sclerosis, &c., are supposed to be 

 auto-intoxications. 



Basidium the spore-bearing hypha (or thread) of a fungus. 



Bothriocephalus a broad tape-worm occasionally infecting man 

 and derived from the ingestion of certain fish in which its 

 cystic stage occurs. 



Botulismus the poisoning produced by the consumption of meat, 

 particularly in the form of sausages, in which an anaerobic 

 bacillus, the B. Botulinus of Van Ermenghem, has grown and 

 produced a toxin, the botulismus toxin. 



Brownian movement dancing vibratile movements seen among 

 minute particles, even of inert substances such as charcoal, 

 when suspended in a fluid and examined under the microscope : 

 it is not to be confused with true motility. 



Calories units of heat : large and small calories distinguished by 

 capital and small letters ; small calory is the amount of heat 

 necessary to raise I gram of water i centigrade : large calory 

 the amount necessary to raise i kilogram i centigrade. 



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