Medical Terminology Letter A
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 |
