Homonyms in Medical Language

Homonyms: Sound the Same But Have Different Meanings

Homonyms in Medical Language

 

When I was in college, I wrote a letter to my physician father that we were studying blood, including urethrocytes, in physiology class. Understanding I meant erythrocytes, he was amused and I was confused, but it resulted in no harm.

Later in my medical training, my earlier misuse of urethrocytes was put into perspective when I learned about medical homonyms – terms that sound the same but have different meanings. I also became aware of the importance of using them correctly to avoid harmful errors.

There are two major types of homonyms, homographs (homo – same; graph – writing), and homophones (homo – same; phone – same).

Homographs

Homographs are words that are spelled the same but have different meanings, such as lead (a metal), and lead (to guide or go ahead of).

 

Examples of Medical Homographs

cervical

  • pertaining to the neck, as in cervical vertebra
  • pertaining to the lowest segment of the uterus, the uterine cervix

dermatome

  • an area of the skin supplied by a specific nerve root
  • a surgical instrument used to cut the skin

Homophones  

Homophones are words that are spelled differently but sound the same and have different meanings, such as there and their.

 

Examples of Medical Homophones

ileum – the last section of the small intestine, between the jejunum and the colon
ilium – part of the pelvic bone

mucus – a secretion
mucous – an adjective that means resembling mucus

peroneal – pertaining to the lateral aspect of the leg
perineal – pertaining to the pelvic floor of a male or female

vesical –  pertaining to the bladder
vesicle – a small blister

Vigilance by all healthcare personnel is a must when using medical homonyms. Misuse may result in harm to the patient and extra healthcare cost. Spellcheck will not bail us out on this one!

 

Click here for medical terms that have the same meaning but are used differently.

Read other  Spotlight on Words.

Terms definitions from Exploring Medical Language, 10th Edition

 


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