numb, sleep
|
narcolepsy
|
|
nas(o)‐
|
of or pertaining to the nose
|
nasal
|
|
necr(o)‐
|
death
|
necrosis, necrotizing fasciitis
|
|
neo‐
|
new
|
neoplasm
|
|
nephr(o)‐
|
of or pertaining to the kidney
|
nephrology
|
|
neur(i)‐, neur(o)‐
|
of or pertaining to nerves and the nervous system
|
neurofibromatosis
|
|
normo‐
|
normal
|
normocapnia
|
|
ocul(o)‐
|
of or pertaining to the eye
|
oculist
|
|
odont(o)‐
|
of or pertaining to teeth
|
orthodontist
|
|
odyn(o)‐
|
pain
|
stomatodynia
|
|
‐oesophageal, oesophag(o)‐
|
gullet
|
gastroesophageal reflux
|
|
‐oid
|
resemblance to
|
sarcoidosis
|
|
‐ole
|
small or little
|
arteriole
|
|
olig(o)‐
|
denoting something as ‘having little, having few’
|
oliguria
|
|
‐oma (sing.), ‐omata (pl.)
|
tumour, mass, collection
|
sarcoma, teratoma
|
|
onco‐
|
tumour, bulk, volume
|
oncology
|
|
onych(o)‐
|
of or pertaining to the nail (of a finger or toe)
|
onychophagy
|
|
oo‐
|
of or pertaining to an egg, a woman’s egg, the ovum
|
oogenesis
|
|
oophor(o)‐
|
of or pertaining to the woman’s ovary
|
oophorectomy
|
|
ophthalm(o)‐
|
of or pertaining to the eye
|
ophthalmology
|
|
optic(o)‐
|
of or relating to chemical properties of the eye
|
opticochemical
|
|
orchi(o)‐, orchid(o)‐, orch(o)‐
|
testis
|
orchiectomy, orchidectomy
|
|
‐osis
|
a condition, disease or increase
|
ichthyosis, psychosis, osteoporosis
|
|
osseo‐
|
bony
|
osseous
|
|
ossi‐
|
bone
|
peripheral ossifying fibroma
|
|
ost(e)‐, oste(o)‐
|
bone
|
osteoporosis
|
|
ot(o)‐
|
of or pertaining to the ear
|
otology
|
|
ovo‐, ovi‐, ov‐
|
of or pertaining to the eggs, the ovum
|
ovogenesis
|
|
pachy‐
|
thick
|
pachyderma
|
|
paed‐, paedo‐
|
of or pertaining to the child
|
paediatrics
|
|
palpebr‐
|
of or pertaining to the eyelid (uncommon as a root)
|
palpebra
|
|
pan‐, pant(o)‐
|
denoting something as ‘complete’ or containing ‘everything’
|
panophobia, panopticon
|
|
papill‐
|
of or pertaining to the nipple (of the chest/breast)
|
papillitis
|
|
papul(o)‐
|
indicates papulosity, a small elevation or swelling in the skin, a pimple, swelling
|
papulation
|
|
para‐
|
alongside of, abnormal
|
paracyesis
|
|
‐paresis
|
slight paralysis
|
hemiparesis
|
|
parvo‐
|
small
|
parvovirus
|
|
path(o)‐
|
disease
|
pathology
|
|
‐pathy
|
denotes (with a negative sense) a disease, or disorder
|
sociopathy, neuropathy
|
|
pector‐
|
breast
|
pectoralgia, pectoriloquy, pectorophony
|
|
ped‐, ‐ped‐, ‐pes
|
of or pertaining to the foot; ‐footed
|
pedoscope
|
|
pelv(i)‐, pelv(o)‐
|
hip bone
|
pelvis
|
|
‐penia
|
deficiency
|
osteopenia
|
