Medical Terminology - Los Angeles Mission College

Medical Terminology - Los Angeles Mission College

Medical Terminology Unit 2 Surgical Suffixes, Hematology, and Diagnostic Imaging Suffix for Cutting Tomos = Cutting (Greek) Tom = word root for cut -tome = cutting instrument -tomy = to cut into (incise) -ectomy = to cut out (excise)

Tom/e = cut -y is a noun suffix Ect/o = outside -ostomy = to form a new opening (surgical) Os = mouth, openine Suffix for Cutting Example: -tome = cutting instrument Derm/a/tome -tomy = to cut into (incise) Gastr/o/tomy -ectomy = to cut out

Duoden/ectomy (excise) -ostomy = to form a new Col/ostomy opening (surgical) -ectomy vs. -ostomy Gastr/ectomy: the stomach Ect/o = combining form meaning outside Tom/e = combining form meaning cut -y = noun suffix

One t is dropped when tome is preceded by ect. Gastr/ostomy: cutting Excision (removal) of all or part of New opening made in stomach by Os = combining form for mouth, opening Tom/e = combining form meaning cut

-y = noun suffix -ostomy = Forming a New Opening Gastr/o/duoden/o/stomy: Forming a new opening between the stomach and duodenum. Surgical procedure where natural connection between the duodenum and stomach is removed and new connection is formed. -tomy = Incision Into Duoden/o/tomy:

Incision into the duodenum Derm/a/tome = An instrument that cuts skin Tom/o/graphy = A process that makes images of slices (planes) of the body Gastr/o = Stomach Excision of the stomach Incision into the stomach Make a surgical opening

in the stomach (i.e. to insert a feeding tube) Gastr/ectomy Gastr/o/tomy Gastr/ostomy Note: The combining form is not used when the suffix begins with a vowel

Gastr/o = Stomach Gaster = Stomach (Greek) Gastr/itis: Inflammation of the stomach Gastr/o/megaly: Enlargement of the stomach Megal/o/gastr/ia: Enlargement of the stomach -ia = Condition Gastritis Duoden/o = Duodenum

Duoden/um (noun) = First part of the small intestine that connects with the stomach Gastr/o/duoden/ostomy = Forming a new opening between the stomach and duodenum. Used to bypass obstruction in between stomach and duodenum Duoden/o/tomy = incision into the duodenum Duoden/ostomy = Forming a new opening into the duodenum Duoden/itis = Inflammation of duodenum

-al = Pertaining to (Adjective Suffix) Duoden/al: (Adj.) Pertaining to duodenum Examples: duodenal ulcer, duodenal lesion -al or ic = (adjective) pertaining to Duoden/o Duoden/al

Gastr/o Duodenal ulcer Gastr/ic Gastric lesion -graph = To Write or Record From

Greek verb graphein, meaning to write or record Refers to an instrument used to record data Tom/o/graph is an x-ray instrument used to show tissue or organs in one plane or slice -gram = Record or Picture Gramma = something written or drawn -gram = suffix for something written or drawn. Used in medical terms to refer to a record or picture made by an instrument. Tom/o/gram: An X-ray picture made by a tomograph

-gram = A record or picture made by an instrument Tomogram, electrocardiogram -graph = Instrument used to record data Tomograph, electrocardiograph Graphein = to write or record (Greek)

-graphy = The process of making a picture Tomography, electrocardiography -grapher = A person who records the data Radiographer Tomography A

radiographic procedure that uses X-rays to produce images of a slice or plane of the body. MRI: Magnetic Resonance Imaging CT: Computed Tomography PET: Positron Emission Tomography SPECT: Single Photon Emission Computed Tomography -algia = Pain Cardi/algia: Heart pain

Gastr/algia: Pain in the stomach Since algia starts with a vowel, word root is used rather than the combining form. Cardi/o (card/o) = Heart Cardi/o/megaly: Enlarged heart Megal/o/cardia also means enlargement or overdevelopment of the heart. (not used often) Cardiac enlargement (CE) Card/itis: Inflammation of the heart Cardi/o/logist: A specialist in the study of disease of the heart Cardi/o/logy: The study of heart

Cardi/o (card/o) = Heart Cardiac (or Coronary) Care Unit (CCU) Electr/o/cardi/o/gram (EKG or ECG): Record of electrical waves given off by the heart Electr/o/cardi/o/graph: The instrument used to record electrocardiogram Electr/o/cardi/o/graphy: The process of making a recording of EKG/ECG using electricity Son/o = Sound Sonus = Sound (Latin) Son/o/gram: A picture made using sound

waves (ultrasound) with sonograph Son/o/graphy: The process of obtaining the sonogram. Also called Ultrasonography. Son/o/graph/er: The person who performs sonography (technician). Sonogram is officially READ by a radiologist. Ech/o Ech/o means sound made by reflected sound waves. Ech/o/cardi/o/gram: A record of sound waves reflected through the heart Ech/o/cardi/o/graphy: The process of making

the echocardiogram using sound waves Radi/o = Radiation Radius = Ray coming from a central point (Latin) Radi/o/gram: A picture made by using Xrays (XR) Note: In practice, this is usually called a radiograph.

Radi/o/graph: Instrument used to produce the radiogram or the X-ray film Radi/o/grapher: One who takes X-rays Radi/o = Radiation Radi/o/logist: A physician specialist who studies (interprets) X-rays Radiation Therapists (RATx) use X-rays to irradiate a cancerous area Registered Radiologic Technologists (RT[R]) use ionizing radiation (X-rays) to create images for diagnostic interpretation by radiologists.

Path/o = Disease Path/o/logy: The study of disease or the cause of disease Path/o/logist: A physician specializing in diagnosing (discovering) diseases -pathy = Disease Dermat/o/pathy: Disease condition of the skin Eti/o/logy = The study of the cause of the disease

Jaundice Jaundice is a yellow appearance of a skin caused by a reflection of bright yellow color through the blood plasma. Plasma gets a bright yellow color when a person has a high blood bilirubin level. Examples: Viral

hepatitis A, B, or C Neonatal jaundice Cirrhosis of the liver Colors Leuk/o Melan/o Erythr/o Cyan/o Chlor/o Xanth/o White Black (dark pigment) Red Blue Green

Yellow Colors Blue skin Red skin White skin (vitiligo) Yellow skin Black (discolored skin) Cyan/o/derma Erythr/o/derma Leuk/o/derma Xanth/o/derma

Melan/o/derma -osis = Condition -osis means disease, condition, status, or process Cyan/osis = condition of blueness Dermat/osis = condition of the skin Dermat/o/cyan/osis or Cyan/o/derma = condition of blueness of the skin -tic = pertaining to

-osis (noun) Cyan/osis Acr/o/cyan/osis -tic (adjective) Cyan/o/tic Acr/o/cyan/o/tic -cyte = Cell Chlor/o/cyte: A green cell (in plants)

Melan/o/cyte: Black cell (dark pigmented) Leuk/o/cyte: White (blood) cell Erythr/o/cyte: Red (blood) cell. Contains a red substance called hemoglobin. -blast = Embryonic, Immature Cell Leuk/o/blast: An embryonic white cell Melan/o/blast: An embryonic black (dark pigment) cell Erythr/o/blast: An embryonic red cell

Blast/o = (combining form) embryonic or immature cell Blast/o/cyte: An embryonic cell Blast: A cell in its embryonic stage Note: An embryonic white cell is NOT leukoblastocyte. You choose either blast or cyte when has another combining form in front. -emia = Blood Condition Hema = Blood (Greek) An/emia: Lack of blood Xanth/emia: Yellow blood condition (jaundice) Erythr/emia: Red blood condition (polycythemia) Chlor/emia: Green blood condition (increased

chlorine in the blood) Chlorosis is a condition in which the skin takes on a greenish tinge due to anemia Erythema Abnormal flushing of skin caused by dilation of capillaries Abnormally red blood condition Erythremia due to too many erythrocytes Erythroderma Redness of the skin

Cyt/o = Cells A cell is the smallest structural unit of all living organisms. Cyt/o/logy: The study of cells Cyt/o/logist: The one who studies cells or the cause of diseases of the cell. Cyt/o/techn/o/logists: Technicians who prepare and screen human tissue slides to detect abnormalities of the cells. They are usually supervised by pathologists. -meter, -metry -meter = An instrument used to measure or

count something Cyt/o/meter: The instrument used to count cells -metry = The process of measuring or counting something Cyt/o/metry: The process of counting cells Blood Cells and Platelets Red Blood Cells (RBC): Erythrocytes White Blood Cells (WBC): Leukocytes Granular leukocytes Eosinophils Neutrophils Basophils

Agranular leukocytes Monocytes Lymphocytes: Thrombocytes T cells, B cells, Plasma cells (Platelets): Thromb/o = blood clot Wandering macrophages (Phagocytes) -penia = Decrease, Not Enough Means

poverty Leuk/o/cyt/o/penia (leukopenia): Decrease in or not enough white blood cells Thromb/o/cyt/o/penia: Abnormal decrease in the number of clot-forming cells (thrombocytes) Erythr/o/cyt/o/penia: Decrease in red blood cells -osis = Condition of increased number -osis may be used to indicate an increase in numbers of blood cells. Leuk/o/cytosis: Increase in white blood cells Erythr/o/cyt/osis: Increase in red blood cells Thromb/o/cyt/osis: Increase in number of platelets

Leukemia Leuk/emia, a blood cancer, literally means a condition of white blood. In Leuk/o = White em = blood -ia = condition Leukemia, the blood is not really white. There

are too many immature white cells (leukocytes) in the blood. This finding was used to name the disease Leukemia. Lymph/o = Lymphatic System Lympha = Water or liquid (Latin) Lymph/o/cyte: A type of WBC produced by the lymphatic system Acute Lymphocytic Leukemia (ALL) is a disease involving the lymphocytes Hist/o = Tissue Hist/o/blast: Immature tissue

Hist/o/logy: The study of tissues Hist/o/logist: One who studies tissues Hist/o/cyte: A tissue cell Hist/o = Tissue Hist/o/lysis: Destruction of tissue Hist/o/genous: A substance that is made by tissue Hist/o/logy: The study of tissue Hist/o/logist: One who studies tissues Hist/o/blast: An embryonic tissue Hist/o/cyte: A tissue cell Hist/oid: Resembling tissue Mania = Madness

Mania = Madness (Greek) Man/ia means a condition of madness or excessive preoccupation Many mental disorders end with this word. Megal/o/mania: Symptom of a mental disorder in which the patient has delusions of grandeur (greatly enlarged opinions of themselves). -ic, -ac = Pertaining to Examples: Leukemic Dermic Manic Gastric Cardiac

Leukocytic Cyanotic Melanic Xanthemic Erythroblastic Abbreviation



Acute Cardiovascular Disease Acute lymphocytic leukemia American Registry of Radiologic Technologists American Registry of Diagnostic Medical Sonography American Society of Radiologic Technologist Complete Blood Count Cardiac (Coronary) Care Unit Cardiac Enlargement

Creatine Phosphokinase (Cardiac Enzyme) Abbreviation CT, CAT scan DMS ECHO

EKG, ECG ER GA GI Computed Tomography (Scan) Diagnostic Medical Sonography Echocardiogram Electrocardiogram

Emergency Room Gastric Analysis Gastrointestinal Abbreviation


Hemoglobin Lactic Dehydrogenase (Cardiac Enzyme) Magnetic Resonance Imaging Radium

Radiation Therapy Red Blood Cell (Count) Registered Diagnostic Cardiac Sonographer Registered Radiologic Technologist Registered Vascular Technologist White Blood Cell (Count) X-ray

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