White Blood Cell
wyt blud sel
/waɪt blʌd sɛl/
Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders; also called leukocytes.
White Matter
wyt MAT-er
/waɪt ˈmætər/
Tissues in the brain and spinal cord consisting of nerve fibers (axons) with their myelin sheaths.
Woven Bone
WOH-ven bohn
/ˈwoʊvən boʊn/
A type of bone where collagen fibers are randomly oriented; typically formed during fetal development or fracture repair.