ETHICALLY IMPOSSIBLE” STD Research in Guatemala from 1946-1948 
inoculate — to introduce an organism into the body such as bacteria. 
inoculum - a substance used for inoculation. 
intracutaneous - administered by entering the skin. 
intraurethral - introduced into the urethra. 
intravenous - administered by introducing into a vein. 
Kahn test - one of the serological tests for syphilis used by Dr. Cutler and 
his colleagues. 
leprosarium - a hospital for leprosy patients. 
leprosy (Hansens disease) - a chronic bacterial infection caused by Mycobac- 
terium leprae characterized by skin lesions. 
lesion - an abnormal change to a part of the body, particularly one that is 
circumscribed and well-defined, caused by infection or injury, . 
lumbar puncture (a kind of spinal tap) - a puncture of the space between 
the vertebrae in the lower back to extract cerebrospinal fluid. 
malaria - a parasitic disease spread by mosquitoes and characterized by peri- 
odic bouts of fever and chills. 
Mazzini test - one of the serological tests for syphilis used by Dr. Cutler and 
his colleagues. 
meatus - the opening of the urethra. 
. 
meningitis - a disease caused by the inflammation of the membranes 
covering the brain and spinal cord known as the meninges. This disease can 
be caused by either viruses or bacteria. The bacterial variety is typically more 
severe. Meningitis is characterized by fever, headache, and a stiff neck, and is 
sometimes fatal. 
microbiologist - a scientist who specializes in the branch of biology dealing 
with microscopic organisms. 
mucosa - mucous membrane. 
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