Wharton’s jelly
A gelatinous substance that provides insulation and protection within the umbilical cord. Stem cells are present in Wharton’s jelly, as well as in umbilical cord blood.
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- Wheal
A raised, itchy (pruritic) area of skin that is sometimes an overt sign of allergy. Not all wheals are alike. They may be redder or paler than the skin around them. They may vary in configuration and may be rounded or flat-topped. Wheals typically have a reddish hue. They characteristically change in size and shape […]
- Wheezer
A slang term for a patient who is wheezing. Sometimes applied to someone having serious trouble breathing.
- Wheezing
A whistling noise in the chest during breathing. Wheezing occurs when the airways are narrowed or compressed.
- WHI
The Women’s Health Initiative, a long-term health study sponsored by the National Institutes of Health (NIH) focused on strategies for preventing heart disease, breast cancer, colorectal cancer and osteoporosis in postmenopausal women.
- Whiplash injury
The victim may be first pushed or accelerated forward, pushing the body forward, but the head remains behind momentarily, rocking up and back, and some muscles and ligaments in and around the spine may be stretched or torn. These muscles, in a reflex action, contract to bring the head forward again, to prevent excessive injury. […]