Medical Terminology Letter A

 

TERM	MEANING
a-, an-	without, not
ab-	away from
abdomin/o	abdomen
ablat/o	to remove, take away
abrado/o, abras/o	to scrape off
abticul/o	joint
acanth/o	thorny, spiny
acar/o	mites
acid/o	acid, sour, bitter
acous/o	hearing
acoust/o	hearing, sound
acr/o	extremities
actin/o	ray, radiation
acu-	needle
acu/o, acut/o	sharp, severe
ad-	toward, near
aden/o	gland
adenoid/o	adenoids
adip/o	fat
adren/o	adrenal glands
aer/o	air, gas
agglutin/o	clumping
agit/o	rapidity, restlessness
-agogue	producer, leader
-agra	severe pain
alb/o, albin/o	white
albumin/o	albumin
-algesia, alges/o	pain sensitivity
-algia	pain
allo-	other, different
alveol/o	alveolus
ambi-	around, on both sides, about
ambly/o	dim, dull
ambul/o	to walk
ammon/o	ammonium
amni/o	amnion
amphi-	around, on both sides
amyl/o	starch
ana-	up, backward, against
andr/o	male
aneurysm/o	aneurysm
angi/o	vessel
anis/o	unequal
ankyl/o	stiff, crooked, bent
an/o	anus
anomal/o	irregular
ante-	before, forward
anter/o	front
anthrac/o	coal, carbon, carbuncle
anthrop/o	man, human being
anti-	against
antr/o	antrum
-apheresis	separation, removal
aphth/o	ulcer
apic/o	apex
apo-	away, separation
aque/o	water
arachn/o	spider
arch/i, arch/e, -arche	first
arteri/o	artery
arteriol/o	arteriole
arthr/o	joint
aspir/o, aspirat/o	inhaling, removal
-assay	to examine, analyze
-asthenia, asthen/o	weakness
astr/o	star, star shaped
atel/o	incomplete, imperfect
ather/o	fatty substance, plaque
atmo-	steam, vapor
-atresia	closure, occlusion
atreto-	closed, lacking an opening
atri/o	atrium
audi/o, audit/o	hearing
aur/o, auricul/o	ear
auscult/o, auscultat/o	to listen
auto-	self
aux/o	growth, acceleration
axill/o	armpit
axi/o	axis
azot/o	nitrogen, urea