1. Menu Medical Terminology – Module 1 – Root Words ROOT WORDS We’ll start by defining some of the more common root words. A root word is the fundamental building block of a medical term. It’s what remains after you remove any prefixes (words that go before the root) and suffixes (words that go after the root) from the term. Slide 1 of 17

2. Menu Medical Terminology – Module 1 – Root Words We’ll begin our discussion of root words with a group of terms that describe specific body parts. Derma/Dermis – skin Hepat/Hepato – liver Aden – glands Hemat/Hemato - blood Root Words Slide 2 of 17

3. Menu Medical Terminology – Module 1 – Root Words True or False? The root word for any part of the body’s glands is hemat. The root word for hepat means liver. When you see a medical term containing the root word derma, you know that the term is describing the skin. The definition of the root word aden is gland. TrueFalse TrueFalse TrueFalse TrueFalse Slide 3 of 17

4. Menu Medical Terminology – Module 1 – Root Words Root Words The next group of terms also describes body parts. Ot/Oto – ear Cost – rib Cardi/Cardio – heart Gaster/Gastero/ Gastro - stomach Slide 4 of 17

5. Menu Medical Terminology – Module 1 – Root Words Make a Match 1.Cardi 2.Gaster 3.Ot 4.Cost 5.Cardio 6.Gastero LEGEND A.= Rib B.= Stomach C.= Ear D.= Heart ABCD ABCD ABCD ABCD ABCD ABCD Slide 5 of 17

6. Menu Medical Terminology – Module 1 – Root Words Let’s define some more common root words. Root Words Myo – muscle Oste/Osteo – bone Myel/Myelo – bone marrow Chondri/Chondro –cartilage Slide 6 of 17

7. Menu Medical Terminology – Module 1 – Root Words Pick a Box 1. When you see a medical term containing the root word oste or osteo, you know that the term is describing something to do with 2. What does the root word myo mean? 3. What root word is used to describe cartilage? Bone Marrow Cartilage Bones Muscles Bones Muscles Bone MarrowCartilage Oste/Osteo Myo Chondri/Chondro Myel/Myelo Slide 7 of 17

8. Menu Medical Terminology – Module 1 – Root Words Although cephal and encephal are separate and distinct words, each with their own meaning, the two are often used interchangeably in medical reports and claims. Here are some root words for the head, brain and skull. Root Words Cephal – head Encephal – brain Crani - skull Slide 8 of 17

9. Menu Medical Terminology – Module 1 – Root Words Make a Match 1.Crani 2.Encephal 3.Cephal ABC ABC ABC LEGEND 1.= Brain 2.= Head 3.= Skull Slide 9 of 17

10. Menu Medical Terminology – Module 1 – Root Words Putting it Together Now let’s try combining root words to create new words. We know the root word crani means skull. The cranium is the part of the skull that encloses the brain. The skull is composed of both bones and cartilage. You already know the root words for bones (oste/osteo) and cartilage (chondro/chondri). Slide 10 of 17

11. Menu Medical Terminology – Module 1 – Root Words Brainteaser 1. Based on these terms, the part of the skull that is composed of bones is the 2. Based on these terms, what is the correct term for the part of the skull that is composed of cartilage? OsteocraniumChondrocranium OsteocraniumChondrocranium Slide 11 of 17

12. Menu Medical Terminology – Module 1 – Root Words Here’s more common root words. Root Words Spondyl – vertebra Neur/Neuro – nerve Vertabrae (singular is Vertaba) are the bony parts that make up tour spinal column. You will encounter many medical terms in claims and medical reports that incorporate the common word vertabra, as well as the root word for vertabra, spondyl. Slide 12 of 17

13. Menu Medical Terminology – Module 1 – Root Words Switch-o-rama 1. Medical terms that incorporate the root word spondyl are describing diseases or conditions involving the 2. When you see a medical term that contains the root word neur or neuro, you know that the term is describing something to do with the NervesVertebrae NervesVertebrae Slide 13 of 17

14. Menu Medical Terminology – Module 1 – Root Words Here are three more common root words you should know. Root Words Esthesia – sensation, feeling or perception Algesia – sensitivity to pain Asthenia - weakness Slide 14 of 17

15. Menu Medical Terminology – Module 1 – Root Words How about one last root word.. Root Words Sclerosis – hardening of the part of the body, usually of organs, tissues or arteries Slide 15 of 17

16. Menu Medical Terminology – Module 1 – Root Words True or False? 1.The root word for sensation, feeling, or perception is Esthesia 2. Algesia means weakness 3. Asthenia means sensitivity to pain 4.The term Sclerosis means hardening, usually of organs, tissues, or arteries in a part of the body TrueFalse TrueFalse TrueFalse TrueFalse Slide 16 of 17

17. Menu Medical Terminology – Module 1 – Root Words Great Job!! You have navigated your way through ROOT WORDS. Now let’s proceed to the next part of the course; PREFIXES. Slide 17 of 17