Anatomical Terminology

August 11, 2022

Anatomical Terminology Brain Builder

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Learning anatomy is very similar to learning a new language because anatomy is a very vocabulary heavy subject. Some of the words anatomists and medical professionals use seem intimidating and overly-complicated. However, there are trends within the roots, prefixes, and suffixes of anatomy terms that give clues as to what these terms mean. In this Brain Builder, we are going to discuss some common prefixes, root words, and suffixes to help you understand and simplify words like the supercilium or hepaticocholangiocholecystenterostomies (yes, this is a real word). 

Let’s begin with a quick history lesson. Most medical terminology is derived from Greek and anatomy terminology is derived from Latin. This is because the Greeks were some of the first to practice medicine and when Greek medicine migrated to Rome, Latin terminology began popping up into anatomical terminology. The Hippocratics were the first to describe diseases based on observation, and the names given by them to many diseases are still used currently. Latin was the standard language of science in the 18th century, so all medical texts were written in Latin.  There are hundreds of anatomy terms and prefixes and suffixes that we could include in this article, but for the purpose of keeping this article simple and as introduction - we will cover the most basic and common prefixes, root words, and suffixes. 

Prefixes

Prefixes can be used to describe a number, direction or position, or condition of a term. Let’s dive into each of these categories.

Numbers

It is common for medical terms to contain a prefix that describes a numerical value. Here are the three most common:

Prefix:

Meaning:

Example:

Mono-, uni-

One

Unilateral

Bi-

Two

Bilateral

Tri-

Three

Triplicate

Directions or Positions

Prefixes can also describe where a muscle, procedure, or condition occurs on the body by giving directional and positional clues.

Prefix:

Meaning:

Example:

Ab-

Away from

Abduction

Ad-

Toward

Adduction

Angio

Blood or lymphatic vessels

Angiosarcoma

Ante-, pr-, pro-

Before

Antebrachium, preanesthetic, prochordal

Chole-, chol-

Bile, gall

Cholesterol

Dorso-, dorsi-

Behind, in the back

Dorsal branch

Ecto-, exo-

Outside

Ectoparasite

Endo-

Inside

Endoderm

Entero-

Intestine

Enteropathy

Epi-

Upon

Epinephrine

Hepato-, hepat-

Liver

Hepatitis

Hypo-, sub-

Underneath

Hypoglossal, subcutaneous

Infra-

Beneath

Infraclavicular

Intra-

Within

Intrabdominal

Peri-, circum-

Around/surrounding

Peripapillary, circumarticular

Inter-

Between, among

Intercostal

Super-, supra-

Above

Suprascapular

Conditions

Medical professionals use the following prefixes to describe conditions a patient may have. 

Prefix:

Meaning:

Example:

Ambi-

Both

Ambidextrous

Dys-

Bad, painful, difficult

Dyslexia

Eu-

Good, normal

Eukaryote

Homo-

Same

Homogenous

Iso-

Equal, same

Isotope

Mal-

Bad, poor

Malnutrition

Root Words

Root words describe the region of the body. Below is a list of common root words that coordinate with a specific part of the body. This list is helpful to memorize for anatomy students when learning anatomy terminology in understanding where a specific term is located. 

Word:

Body Part:

Abdominal

Abdomen

Buccal

Cheek

Cranial

Skull

Chole

Gallbladder

Digital

Fingers and toes

Femoral

Thigh

Gluteal

Buttock

Hallux

Great toe

Inguinal

Groin

Lumbar

Loin (lowest part of the spine below the false ribs and between the hips)

Mammary

Breast

Nasal

Nose

Occipital

Back of head

Pectoral

Chest

Sternal

Breastbone

Thoracic

Chest

Umbilical

Navel

Ventral

Belly

Suffixes

Suffixes can be used to describe conditions that may be affecting a specific region or surgical procedures. 

Conditions

The following suffixes can be added to a root word to describe a condition a patient may be experiencing.

Suffix:

Meaning:

Example:

-algia

Pain

Myalgia

-emia

Blood

Hypoglycemia

-itis

Inflammation

Bronchitis

-lysis

Destruction, break down

Dialysis

-oid

Like

Haploid

-opathy

Disease of

Neuropathy

-pnea

Breathing

Sleep apnea

Surgical Procedures

The following suffixes are added to describe surgical procedures. When these suffixes are combined with a root word describing a region of the body, the terminology can indicate where and what type of procedure occurred. 

Suffix:

Meaning:

Example:

-centesis

Puncture a cavity to remove fluid

Amniocentesis

-ectomy

Surgical removal or excision

Hysterectomy

-ostomy

A new permanent opening

Tracheostomy

-otomy

Cutting into, incision

Gastrotomy

-orrhaphy

Surgical repair or suture

Gastrorrhaphy

-opexy

Surgical fixation

Nephropexy

-oplasty

Surgical repair

Rhinoplasty

-otripsy

Crushing or destroying

Lithotripsy

 

Putting it all Together

Let’s look at some examples of applying these prefixes, root words, suffixes to understand the anatomy terms described at the beginning of this article. 

Supercilium = Super + cilium

Prefix: Super - above

Root word: Cilium - eyelid, eyelash

Meaning: Eyebrow or region of the eyebrow

Hepaticocholangiocholecystenterostomies = Hepat + ico + chol + angio + chol + enteros + ostomies

Prefixes: Hepat - liver, Chol - bile, Angio - blood vessels, Enteros - intestine

Suffix: -ostomies - A new permanent opening

Meaning: A surgery where a channel is made to create communication between the gallbladder and the hepatic duct or intestines.

There are hundreds of different prefixes, root words, and suffixes used in medical and anatomical terminology. Having a basic knowledge of just a few of these can help familiarize you with new and obscure terms and save you time in the long run with your anatomical studies. 

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Resources:

The Anatomy of Medical Jargon - Pocket Anatomy 

Learning Medical Terminology and Human Anatomy - MB&CC

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