Lesson 3 - 208.93.184.5208.93.184.5/~jones/medterm/c3ppt.pdf · 1 Cells, Tissues, and Using...
Transcript of Lesson 3 - 208.93.184.5208.93.184.5/~jones/medterm/c3ppt.pdf · 1 Cells, Tissues, and Using...
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1
Cells, Tissues, and Using Prefixes in Medical Terms 1. Recognize the relationship of cells, tissues, and organs.
2. Name four main types of tissue.
3. Match or write the meanings of prefixes, and use them to build and analyze
terms.
Lesson 3.1
1
Chapter 3 Organization of the Body
Lesson 3.2Directional Terms, Body Regions, Body Planes, and
Body Positions 4. Write or match combining forms for position and direction with their
meanings.
5. Label the directional terms and planes of the body.
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Organizational Scheme of the Body
2
Cell Structure
Fertilized
Human Egg
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Types of Tissue
Copyright © 2018 Elsevier Inc. All rights reserved. 3
Gartner LP, Hiatt JL: Color Textbook of Histology, ed 3, Philadelphia, 2007, Saunders
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Using Prefixes Most prefixes can be added to a term without change.
Prefix groupings
Number or quantity
Position or direction
Negation
Miscellaneous prefixes
Copyright © 2018 Elsevier Inc. All rights reserved. 4
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Prefixes: Numbers mono-, uni- one
bi-, di- two
deci- one-tenth
tri- three
quad-, quadri-,tetra- four
centi- one hundred or 1/100
milli- one-thousandth
5
Biceps vs. Triceps
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Prefixes: Quantities Ana- excessive, upward, or again
Diplo- double
Hemi-, semi- half or partly
Hyper- excessive, more than normal
Hypo- beneath or below normal
Multi-, poly- many
Nulli- none
Pan- all
Primi- first
Super-, ultra- excessive
Copyright © 2018 Elsevier Inc. All rights reserved. 6
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Semipermeable Membrane
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Polydactyly, Syndactyly
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Prefixes: Position or Direction
Ab- away from
Ad- toward
Ante-, pre- before in time or place
Circum-, peri- around
Dia- through
Ecto-, ex-,
exo-, extra- out, without, away from
En-, end-,
endo- inside
Epi- above, on
Hypo-, infra-, sub- beneath, under 8
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Abduction, Adduction, and
Circumduction
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What is the prefix in the term “circumference”?
A. Circ(o)
B. Circum-
C. Circumfer(o)
D. -ence
Quick Quiz
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Layers of the Skin
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Prefixes: Position or Direction
Inter- between
Intra- within
Ipsi- same
Meso-, mid-, medio- middle
Para- near, beside, or abnormal
Per- through or by
Post- after, behind
Retro- behind or backward
Super-, supra- above, beyond
Sym-, syn- joined, together
Trans- across
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Injection Methods
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Trans-
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Other Prefixes: Negation A-, an- no, not or without
In- not or inside
Rule for adding a- versus an-
Use a- before a consonant
Use an- before a vowel or the letter h
13
Quick QuizThe opposite of plastic is
A. anaplastic.
B. inplastic.
C. aplastic.
D. wood.
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Other Prefixes: Time and Size Macro-, mega-, megalo- large or great
Micro- small
Ante-, pre-, pro- before
Post- after
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Microtia
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Other Prefixes: Description
Ana- upward or again
Anti-, contra- against
Brady- slow
Tachy- fast
Dys- bad or difficult
Mal- bad
Eu- good or normal
Pro- favoring or supporting
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Other Prefixes Both dys- and mal- can mean bad.
Pro- can mean before or favoring/supporting.
In-, en-, end-, and endo- can all mean inside.
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Anatomic Position
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Anatomic Planes
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Transverse Plane
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Coronal and Sagittal Planes
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Directional Word Parts and Terms Anter(o)—toward the front; ventral
Poster(o)—toward the back, dorsal
Ventr(o)—belly side
Dors(o)—back side
Medi(o)—middle
Later(o)—toward the side
Super(o)—uppermost
Infer(o)—lowermost
Proxim(o)—nearer the origin
Dist(o) and tel(e)—far or distant
Caud(o)—toward the tail
Cephal(o)—toward the head
Anter(o) + medi(o) + -al = anteromedial
Other combinations?
Superficial vs. deep
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Posteroanterior, Anteroposterior,
and Lateral
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Palmar, Plantar
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Supination, Pronation
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Terminology : Thorac(o) Thorac(o): thorax
Thoracic, thoracotomy
Suprathoracic, transthoracic
Thoracodynia, angina pectoris
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Quick QuizWhich plane divides the body into equal right and left
halves?
A. Midtransverse
B. Frontal
C. Coronal
D. Midsagittal
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Body Cavities
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Combining Forms: Body Regions and
Structures Pelv(i)—pelvis
Thorac(o), steth(o)—thorax
Viscer(o)—viscera (large abdominal organs)
Spin(o)—spine
abdomin(o)—abdomen
cephal(o)—head
crani(o)—cranium
encephal(o)—brain (in the head)
23
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Abdominal Quadrants
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Contents of Abdominal
Quadrants
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Abdominal Regions
25
Quick Quiz
Which abdominal region is
located on the upper right of
the abdomen?
A. RLQ
B. Lumbar
C. Epigastric
D. Hypochondriac
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Combining Forms: Abdomen
Periton(o)—peritoneum, the extensive membrane that
lines the entire abdominal wall and the viscera
Parietal versus visceral peritoneum
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Peritoneum
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Ascites and Abdominal Paracentesis
Copyright © 2018 Elsevier Inc. All rights reserved. 27
From Lewis SM, Heitkemper MM, Dirksen SR, O’Brien PG, Bucher L: Medical-surgical nursing: assessment and management of clinical problems, ed 7, St Louis, 2007, Mosby
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Combining Forms: Abdomen
Herni(o)—hernia
Omphal(o), umbilic(o)—umbilicus, omphalus
Som(a), somat(o)—body
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Terminology: Omphalus Omphalus, umbilicus, omphalic
Omphalocele, omphaloma, omphalitis
Omphalorrhagia, omphalorrhexis
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Hernias
Copyright © 2018 Elsevier Inc. All rights reserved. 29
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Combining Forms: Extremities Acr(o)—extremities
Axill(o)—armpit
Dactyl(o)—digits
Pod(o)—foot
Copyright © 2018 Elsevier Inc. All rights reserved. 30
Acrocyanosis (Raynaud phenomenon)
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Terms Related to the Body as a Whole Febrile, afebrile, antifebrile
Pyrexia, hyperpyrexia, hyperpyrexial
Pyrogen, antipyretic
Inflammation
Copyright © 2018 Elsevier Inc. All rights reserved. 31
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Terms Related to the
Body as a Whole (Slide 2 of 2)
Antiinfective
Antimicrobial, microbes
Antibiotic
Antiinflammatory
Copyright © 2018 Elsevier Inc. All rights reserved. 32
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Cell Development Terms -plasia—formation
Dysplasia
Hyperplasia
Aplasia
Hypoplasia
Anaplasia
-trophy—nutrition
Hypertrophy
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Hypertrophy and Hyperplasia
Normal vs. Hypoplastic Tissue
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Dehiscence and Evisceration
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Quick QuizWhich term best describes microtia?
A. Anaplasia
B. Aplasia
C. Hypoplasia
D. Hypertrophy
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35
Body Fluids and Composition of Blood
9. Recognize general facts about body fluids and analyze associated terms.
10. Recognize the types of body fluid and kinds of metabolic imbalances.
11. Write the meaning of word parts pertaining to body fluids and immunity, and
use them to build and analyze terms.
Lesson 3.3
35
Blood Pathologies, Anemia, and Coagulation
12. Name the functions of the formed elements of the blood, and recognize the
meaning of several signs and symptoms of anemia.
13. Write or match the name of blood pathologies with their descriptions.
14. Write the terms that describe coagulation, or match the terms with their
descriptions.
15. List several body defense mechanisms, and define active versus passive
immunity and natural versus artificial immunity.
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Body Fluids Classification
Plasma (liquid part of circulating blood)
Intracellular fluid
Extracellular fluid
Body fluids comprise more than half the body’s weight.
Water is the most important component of body fluids.
36
Fluid Distribution in the Body
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Fluid Facts Blood and lymph are the main bodily fluids.
Blood is associated with the cardiovascular system.
Lymph is associated with the lymphatic system.
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Blood vs. Lymph Circulation
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Word Parts: Body Fluids Angi(o), vascul(o) vessel
Cellul(o), cyt(o), -cyte cell
Home(o) sameness; constant
Hydr(o) water
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Hydrocelphalus/Hydrocephaly
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Fluid Balance
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Word Parts: Selected Electrolytes Calc(i)—calcium
Kal(i)—potassium
Natr(o)—sodium
Practice combining these three with hyper- or hypo- and –emia
Hem(a), hem(o), hemat(o), -emia—blood or blood condition
Hidr(o)—sweat or perspiration
Muc(o)—mucus
Py(o)—pus
Sial(o)—saliva or salivary glands
Ur(o)—urine or urinary tract
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Abscess
41
Quick Quiz
What does sial(o) mean?
A. Sodium
B. Saliva or salivary gland
C. Sweat
D. Cell
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Composition of Blood Hematology, hematologic
Hematopoiesis, hematopoietic
Word parts
-poiesis production
-poietin that which causes production
-cidal killing
-ant that which causes
-ate to cause an action or the result of an action
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Blood
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Word Parts and Terms: Blood Word parts
Coagul(o)
Thromb(o)
Nucle(o), kary(o)—nucleus
Phil(o)—attraction
Terms
Coagulation, anticoagulant
Coagulant, coagulate
Coagulopathy
Transfusion, reaction
In vitro, in vivo
Thrombus
43
Blood Cells
Thrombocyte = blood platelet
Erythrocyte = red cell or corpuscle
Leukocyte = white cell or corpuscle
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Leukocytes
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Terminology: Blood Thrombogenesis, thrombus (pl., thrombi)
Thrombolysis, thrombolytic
Thrombosis, thrombectomy
Embolus, embolism
Hemolysis, hemolysin
Hemolyze, hemolytic
Hemostasis
Leukocytosis, infectious mononucleosis
Leukemia
Leukocytopenia, leukopenia
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Quick Quiz Which term means a substance that causes hemolysis?
A. Hemolyze
B. Leukocytosis
C. Hemostasis
D. Hemolysin
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Terminology: Blood Anemia
Erythrocytosis, polycythemia
Erythrocytopenia, erythropenia
Thrombocytopenia, thrombopenia
Thrombocytosis
Hemophilia, antihemophilic factor (AHF)
Disseminated intravascular coagulation (DIC)
Erythroblasts, erythroblastosis fetalis
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Anemias Microcyte, microcytosis
Macrocyte, macrocytosis
Megalocyte
Aplastic anemia, dyscrasias
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Signs and Symptoms of Anemia Tachycardia
Dyspnea
Pallor
Syncope
Tinnitus
Two Classifications of Anemia Morphologic (based on appearance)
Normocytic normochromic
Macrocytic normochromic
Microcytic hypochromic
Etiology (based on cause)
Increased loss or destruction of RBCs
Decreased or defective production of RBCs
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Terminology: Blood Chrom(o)
Hypochromia, hypochromic
Hyperchromia, hyperchromic
Hemoglobin(o)
Hemoglobin (Hb or Hgb)
Hemoglobinopathy
Hemoglobin electrophoresis
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Blood Coagulation Fibrinogen, fibrin
Fibrinolysin, fibrinolysis
Prothrombin time (PT)
Partial thromboplastin time (PTT)
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Which of the following means “large cell”?
A. Microcyte
B. Thrombocyte
C. Macrocyte
D. Microscopy
Quick Quiz
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Terminology: Transfusion Transfusion, transfusion reaction
Autologous, homologous
Allograft, isograft
Allogeneic, allogenic
Disease transmission
Hepatitis, CMV, HIV, syphilis, and others
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Body Defenses and Immunity Immunity: the body’s ability to counteract or resist invasion by infectious
organisms; immunity can be divided into nonspecific and specific types
Susceptibility: lack of resistance or protection
Resistance: the body’s natural ability to counteract microorganisms or
toxins
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Specific Immunity Cell-mediated: by T lymphocytes (T cells)
Antibody-mediated: by B lymphocytes (B cells)
Antigen: any substance capable, under appropriate conditions, of inducing a
specific immune response
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Terminology: Immunity Antibodies
Immunoglobulins
Vaccination
Immunization
Prophylaxis
Immunocompromised
Immunosuppressant, immunosuppressive
Immunodeficiency
Acquired immunodeficiency syndrome (AIDS)
Human immunodeficiency virus (HIV)
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Terminology: Immunity Hypersensitivity
Allergy, allergen
Anaphylaxis, anaphylactic reactions
Histamine, antihistamine
Transplant rejection
Toxoid, toxin
Toxicity
Cytotoxin, cytotoxicity
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Autoimmune Diseases Characterized by production of antibodies against one’s own cells
Auto- means self
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Quick Quiz
Which term means any substance capable, under appropriate
conditions, of inducing a specific immune response?
A. Antibody
B. B-cell
C. Cytotoxicity
D. Antigen
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Review
16. Recognize or use abbreviations presented in this chapter.
17. Spell medical terms accurately.
18. Pronounce medical terms correctly.
19. Categorize terms as anatomy, diagnostic test or procedure, pathology, surgery,
or nonsurgical therapy.
20. Recognize the meanings of general pharmacology terms used in this chapter as
well as the drug classes and their uses.
Lesson 3.4
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Pharmaceutics Antihistamines
Antiinfectives/antimicrobials
Antibiotics
Antibacterials
Antifungals
Antihelmintics
Antiprotozoals
Antitubercular agents
Antivirals
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Antiinflammatory drugs
Corticosteroids
Nonsteroidal antiinflammatory drugs (NSAIDs)
Antineoplastic/cytotoxic
chemotherapeutic agents
Antipyretics
Immunosuppressants
In vivo anticoagulants
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Selected Abbreviations:
History and Examinations Hx history
A&O alert and oriented
L&W living and well
ROM range of motion
HEENT head, eyes, ears, nose, and throat
WD, WN well developed, well nourished
Dx diagnosis
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Selected Abbreviations:
Units of Measure cm centimeter
dL deciliter
g gram
kg kilogram
L liter
mcg microgram
mg milligram
mL milliliter
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Selected Abbreviations:
Medications h hour (hora)
IV intravenously
min minutes
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Abbreviations: General AP
DNA
EEG
PA
LLQ
LUQ
RLQ
RUQ
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HIV
AIDS
AHF
CMV
DIC
EBV
INR
RPR
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Abbreviations: WBCs
WBC white blood cell, white blood count
baso Basophil
eos eosinophil
lymph lymphocyte
mono monocyte
neut neutrophil
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Abbreviations: Blood
RBC
Hb, Hgb
HCT, Hct
CBC, cbc
Rh
PT
PTT
HDN
INR
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Caution Be careful with these!
In- (not) vs. in- (inside)
Infra- (under) vs. intra- (within)
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Careful With These! Hidr(o) vs. hydr(o)
Autologous vs. homologous
Excretion vs. secretion
Mucus vs. mucous
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Opposites Ab- (away from) vs. ad- (toward)
Afebrile vs. febrile
Ante-, pre- (before) vs. post- (after)
En-, end-, endo- (inside) vs. ecto-, exo-, extra-
(outside)
Hypoplasia vs. hyperplasia
Hyper- (more than normal) vs. hypo- (less than normal)
Macro- (large) vs. micro- (small)
Nulli- (none) vs. pan- (all)
Super-, supra- (above) vs. hypo- infra-, sub- (below
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Careful With These Opposites Anter(o) vs. poster(o)
Infer(o) vs. super(o)
Medi(o) vs. later(o)
Prone vs. supine, pronation vs. supination
Proxim(o) vs. dist(o) or tel(e)
Ventr(o) vs. dors(o)
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Quick QuizWhat is the difference between ecto- and endo-?
A. Ecto- means inside and endo- means outside.
B. Ecto- means between and endo- means within.
C. Ecto- means outside and endo- means between.
D. Ecto- means outside and endo- means inside.
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