central
approaching
arch
asymptotic
banner
basic
bedrock
capital
cardinal
centralized
centred
centripetal
centrolineal
champion
chief
concentrated
concurrent
confluent
confocal
connivent
convergent
converging
crowning
dominant
essential
first
foremost
fundamental
great
headmost
hegemonic
indispensable
leading
life-and-death
life-or-death
magisterial
main
master
material
meeting
mutually approaching
of vital importance
overruling
paramount
predominant
preeminent
preponderant
prevailing
primal
primary
age-related
approximate
bilateral
cardiovascular
cerebellar
cerebral
cortical
electronically-controlled
epithelial
frontal
genital
glandular
localize
musculoskeletal
neurological
neuronal
physiological
psychical
renal
retinal
secondary
sensory
vestibular
local
vocal