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Combining Form
| Question | Answer |
|---|---|
| abdomin/o | abdomen |
| acanth/o | spiny, thorny |
| acar/o | mites |
| acetabul/o | acetabulum (hip socket) |
| acous/o | hearing |
| acoust/o | hearing, sound |
| acr/o | extremeties, top, extreme point |
| acromi/o | acromion (extension of shoulder bone) |
| actin/o | light |
| acu/o | sharp, severe, sudden |
| aden/o | gland |
| adenoid/o | adenoids |
| adip/o | fat |
| adren/o | adrenal gland |
| adrenal/o | adrenal gland |
| aer/o | air |
| agglutin/o | clumping, sticking together |
| alb/o | white |
| albin/o | white |
| albumin/o | albumin (protein) |
| alges/o | sensitivity to pain |
| all/o | other, different than usual |
| alveol/o | alveolus, air sac, small sac |
| ambly/o | dim, dull |
| ammon/o | ammonium |
| amni/o | amnion (sac surrounding the embryo) |
| amyl/o | starch |
| an/o | anus |
| andr/o | male |
| aneurysm/o | aneurysm (widening of blood vessel) |
| angi/o | vessel (blood) |
| anis/o | unequal |
| ankyl/o | stiff |
| anter/o | front |
| anthrac/o | coal |
| anthr/o | antrum of the stomach |
| anxi/o | uneasy, anxious |
| aort/o | aorta (largest artery) |
| aphth/o | ulcer |
| aponeur/o | aponeurosis (type of tendon) |
| append/o | appendix |
| appendic/o | appendix |
| aque/o | water |
| arachn/o | spider |
| arsenic/o | arsenic |
| arter/o | artery |
| arteri/o | artery |
| arteriol/o | arteriole (small artery) |
| arthr/o | joint |
| articul/o | joint |
| asbest/o | asbestos |
| aspir/o | removal |
| astr/o | star, star-shaped |
| aque/o | water |
| atel/o | incomplete |
| ather/o | plaque(fatty substance) |
| atri/o | atrium (upper heart chamber) |
| audi/o | hearing |
| audit/o | hearing |
| aur/o | ear |
| auricul/o | ear |
| auscult/o | to listen |
| aut/o | self, own |
| aux/o | growth, acceleration |
| axill/o | armpit |
| axi/o | axis |
| azot/o | urea, nitrogen |
| bacill/o | bacilli (bacteria) |
| bacteri/o | bacteria |
| balan/o | glans penis |
| bar/o | pressure, weight |
| bartholin/o | Bartholin glands |
| bas/o | base, opposite of acid |
| bi/o | life |
| bil/i | bile, gall |
| bilirubin/o | bilirubin |
| blenn/o | mucus |
| blephar/o | eyelid |
| bol/o | cast, throw |
| brachi/o | arm |
| brom/o | bromine containing compound, odor |
| bronch/o | bronchial tube |
| bronchi/o | bronchial tube |
| bronchiol/o | bronchiole |
| bucc/o | cheek |
| bunion/o | bunion |
| burs/o | bursa (sac of fluid near joints) |
| byssin/o | cotton dust |
| cac/o | bad |
| calc/o | calcium |
| calcane/o | calcaneus (heel bone) |
| calci/o | calcium |
| calcul/o | to compute |
| cali/o | calyx |
| calic/o | calyx |
| calor/i | heat |
| campt/o | bent |
| capillar/o | capillary (tiniest blood vessel) |
| capn/o | carbon dioxide |
| caps/o, capsul/o | capsule, container |
| carcin/o | cancerous, cancer |
| cari/o | caries, rottenness |
| cardi/o | heart |
| carp/o | wrist bones (carpals) |