
Quick Medical Terminology
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Chapter 2
More Word Roots, Suffixes, and Prefixes
In Chapter 2 you will cover more sophisticated terms, word roots, and suffixes, and you’ll begin using prefixes. Teaching sequences in this unit aim to expand your learning by combining words you covered in Chapter 1 with some new ones. We introduced new ideas as well as useful medical terms to improve retention and make your practice exercises interesting. Now, let’s get started.
Mini-Glossary
Root Words aden/o (gland) laryng/o (larynx) arthr/o (joint) lip/o (fat) carcin/o (malignancy) malac/o (soft) cele/o, o/cele (hernia) morph/o (structure of) cephal/o (head) muc/o (mucus) chondr/o (cartilage) onc/o (tumor) cost/o (ribs) ost/o, oste/o (bone) dent/o (tooth) plast/o (repair) emes/is (vomiting) trach/e (trachea) hist/o (tissue) troph/o (development) Prefixes Suffixes en-, endo- (in, inside, within) -al, -ar, -ic (of, or pertaining to) ex-, ex/o- (outside, out) -oid (resembling) hyper- (excessive) -oma (tumor) hypo- (under) -ism (medical condition, disease) inter- (between) Before you begin Chapter 2, complete the Review Sheet for Chapter 1. It will help you get a running start as you continue your studying. You’ll find review sheets beginning on page 261. prefix 1.Examine the terms hyper/trophy, hyper/emia, and hyper/emesis. Hyper- means excessive, more than normal amount. Hyper- placed in front of trophy, emia, and emesis changes the meaning of the terms. Therefore, hyper- is a _________ (prefix/suffix?). hyper 2.
Hyper/thyroid/ism is a medical condition of the thyroid gland resulting in excessive thyroid gland activity. The prefix expressing higher than normal activity of the thyroid gland is _________. thyroid gland 3.
The suffix -ism indicates there is a medical condition involving some specified thing or body part. In the case of hyper/thyroid/ism the medical condition involves what body part? ____________ Here’s a suggestion: Hyperthyroidism means the patient has a medical condition resulting from excessive activity of the thyroid gland. 4.
Hyper- means something is excessive. Thyroid tells you what part is involved. The suffix -ism means there is a resulting medical condition.
In your words, explain the meaning of the term hyper/thyroid/ism.
___________________________
___________________________
___________________________ hyper/emesis
hyperemesis
hīper em′ sis
hyperemesis 5.
Emesis is a word that means vomiting. A word that means excessive vomiting is ______________/___________.
Gallbladder attacks can cause excessive vomiting. This, too, is called
___________. hyper/troph/y
hypertrophy
h per′ trŋ f 6.
Hyper/trophy means overdevelopment; troph/o comes from the Greek word for nourishment. Note the connection between nourishment and development. Overdevelopment is called
hypertrophy Muscles also can overdevelop or hypertrophy 7.
Many organs can overdevelop. If the heart overdevelops, the condition is called cardiac ___________. hypo- 8.
The prefix hypo- is just the opposite of hyper-. The prefix for under or less than normal is ___________. skin 9.
Derm/o refers to the ___________. The suffix -ic means of, or pertaining to. Hypo/derm/ic means pertaining to under the ___________. skin _________________. hypo/derm/ic hypodermic hī pō der′ mik 10.
A hypodermic needle is short because it goes just under the skin. A shot given superficially is administered with a
needle. aden/itis
adenitis
ad nī′ tis 11.
Aden/o is used in words that refer to glands. Build a word that means inflammation of a gland:
aden/ectomy
adenectomy
ad nek′ t m 12.
Since -ectomy means excision (or surgical removal of), the word for surgical removal of a gland is
adenectomy 13.
If a gland is inflammed or abnormal, part or all of it may be excised. Excision of a gland is ___________. aden/oma
adenoma
ad n′ mä 14.
The suffix -oma means tumor. Form a word that means tumor of a gland:
_________/____________. surgical removal, or excision, of the thyroid gland 15.
Try this. Sometimes the thyroid gland develops a tumor. A patient’s history might read, “… because of the presence of a thyroid adenoma, thyroidectomy is indicated.” What is a thyroid/ectomy?
16.
The suffixes -ic, -al, and -ar mean of, or pertaining to, the attached word. spleen A splenic tumor is a tumor of the ___________. tonsil A tonsillar tumor is a tumor pertaining to the _______________.
Where would you expect to find a duodenal tumor? ________ ______________ in the duodenum _____________________ cancerous tumor 17.
Carcin/o is the root for cancer. The suffix -oma means tumor. A carcinoma is a _________________. splenic 18.
A carcinoma may occur in almost any part of the body. A cancerous tumor of the spleen is called ___________ carcinoma. carcinoma Cancer of the tonsil is tonsillar ___________. of, or pertaining to The suffixes -ic, -ar, and -al mean __________________. tumor 19.
An adenoma is a glandular tumor; -oma means ______________.
A lip/oma is a tumor of fatty tissue. fat, fatty tissue Lip/o is the combining form for ___________. lip/oma lipoma li po′ ma 20.
A fatty tumor is called a ____________/____________. lip/oid lipoid lip′ oid 21.
Lipoma is a fatty tumor; -oid is a suffix meaning like or resembling. Using the word root for fatty tissue, build a term that means fatlike, or resembling fat: ____________/____________. lip/oid 22.
The word lipoid is used in chemistry and pathology. It describes a substance that looks like fat, dissolves like fat, but is not fat. Cholesterol is an alcohol that resembles fat; therefore, cholesterol is a substance. muc/oid mucoid my′ koid 23.
Muc/oid means resembling mucus. There is a substance in connective tissue that resembles mucus. This is called a ____________/____________ substance. resembling mucus 24.
There is a protein in the body that is said to be mucoid in nature. Mucoid means _________________. mucoid 25.
A substance that resembles mucus is best described as _______________. lipoid A substance resembling fatty tissue is called a _______________ substance.
Figure 2.1 The Upper Respiratory Tract
The respiratory tract conducts oxygen-rich air to the lungs where oxygen can be readily absorbed by the blood. It removes carbon dioxide–laden air to the external atmosphere. The pharynx filters and warms the air we breathe and conducts it into the larynx. The larynx protects against inadvertent inhaling of solid matter and contains the vocal cords, the mechanism of sound production. Leading from the larynx is the windpipe, more correctly known...System requirements
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