Answer:

nodal

Answer	Crossword Clue
NODAL	Knotty?
NODAL	Protuberant
NODAL	Central

NODAL	Knobby
NODAL	Situated at a junction
NODAL	Knotlike
NODAL	Pertaining to a junction
NODAL	Of a knob.
NODAL	Knoblike.
NODAL	Knobbed.
NODAL	Relating to a knot.

NODAL	Knotlike.
NODAL	Of a knot.
NODAL	Pertaining to knobs.
NODAL	Knotty.
NODAL	Of tree knobs
NODAL	Of a stem joint
NODAL	Lumpy
NODAL	Near a swollen joint

NODAL	Knotty
NODAL	Pertaining to knots or bumps
NODAL	Of a protuberance
NODAL	Like knobs
NODAL	Like a protuberance
NODAL	Like lymphatic tissue
NODAL	Like stationary points on a violin string