Know how to use "fewer" and "less"? Find out.
perilymphatic per·i·lym·phat·ic (pěr'ə-lĭm-fāt'ĭk)
Of or relating to the perilymph.
Surrounding or adjacent to a lymphatic node or vessel.
perilymph per·i·lymph (pěr'ə-lĭmf')
The fluid in the space between the membranous and bony labyrinths of the inner ear.