W, X, Y, Z Terms Flashcards
1
Q
Wallerian
A
Degeneration of the portion of the axon and mylin sheath distal to injury site
2
Q
Wandering macrophage
A
Phagocytic cell, formed from a monoyte, that migrates to infected tissues
3
Q
Wave summation
A
Increased muscle contraction strength caused by a rapid succession of stimuli
4
Q
White matter
A
Bundles of mylinated axons in the brain and spinal cord
5
Q
Xiphoid
A
Sword-shaped
6
Q
Yolk sac
A
An extraembryonic membrane that connects with the midgut during development; nonfunctional in humans
7
Q
Zona pellucida
A
A clear glycoprotein layer between a secondary oocyte and the surounding granulosa cells of the corona radiata
8
Q
Zygote
A
A fertilized ovum
