Glossary of Terms

This glossary of terms is meant to help everyone understand medical words. It is a place to quickly find information on medical words.

To find a word or term begin by clicking on a letter in the A-Z list. Then you can browse down the list to find the word you want. You can also type your medical word in the search box in the upper right corner and then click on the little magnifying glass.

This glossary is for information only. It should never be used instead of advice from a healthcare provider.

If you have questions or comments about the Glossary of Terms please let us know.

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ulcer

open sore

painful sores in the stomach lining

ultrafiltration

removing extra fluid from your body during dialysis

process in which blood entering a dialyzer and is placed under pressure to remove excess water

ultrasound (prenatal)

high frequency sound waves to create a moving image of a baby in your uterus. During pregnancy, ultrasound is routinely used to monitor the health and development of the fetus.

umbilical cord

connects a baby in the womb (uterus) to its mother

the cord that connects the baby to the placenta in your uterus. It is cut and clamped at birth. It contains two arteries and one vein and can be used for intravenous access after birth. Becomes the navel once it falls off.

umbilicus

navel, belly button

unfavourable

bad, harmful, unwanted

upper respiratory system

nose, throat and windpipe

the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx)

urea

a blood test

waste product in the body, normally cleared by your kidneys

uremia

build-up of waste products in your blood

ureter(s)

a tube that takes urine from your kidney to your bladder

urethra

a tube that takes urine from your bladder out of your body

urgent care centre

a place where you can get medical help when you're sick or injured and you  need someone to see you right away, but you aren't sick enough to go to the emergency room

urinary tract infection (UTI)

when part of your urinary system is infected, (kidneys, ureters, bladder or urethra)

urinate

empty your bladder, pee, void

urologist

a doctor who looks after problems with your urinary system

urticaria

hives, itch, rash

uterus

womb

utilize

use