Chapter Five: Essentials of Medical Terminlogy

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Body organization, cavities and arrangements of body parts


 
  
Created Jul 8, 2010
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panfilo42

 

 
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1
SUMMARY OF MAJOR BODY CAVITIES, THEIR SUBDIVISIONS AND ORGANS
 
SUMMARY OF BODY CAVITIES
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major cavities
 
dorsal; ventral
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dorsal
 
cranial; spinal
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cranial
 
contains brain
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spinal 
 
contains spinal cord
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ventral
 
thoracic; abdominal; pelvic
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thoracic
 
contains heart, lungs, aorta, trachea and esophagus
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abdominal
 
contains stomach, liver, spleen, kidneys, large and small intestines, pancreas, and gallbladder
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pelvic
 
contains bladder, urethra, and reproductive organs 
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the anatomical position os the body:
 
standing erect, arms at side, with head , palms and feet facing forward
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directional terms relating to the anatomical position:
 
(A) anatomical position; (B) lateral view of the body; (C) directional terms deep and superficial;...
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DIRECTIONAL TERM
 
DEFINITION; EXAMPLE
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superior or cranial
 
above; toward the head the head is superior to the neck.  cranial nerves originate...
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inferior or caudal
 
below; toward the lower end of the body or tailthe neck is inferior to the head.  caudal...
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anterior or ventral
 
front surface of the body; belly side of the bodythe thoracic cavity is anterior to the spinal...
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posterior or dorsal
 
back surface of the bodythe spinal cavity is posterior to the thoracic cavity
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medial
 
toward the midline (the midline is an imaginary line drawn down the center of the body from...
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lateral
 
away from the midlinethe small toe is lateral to the big toe
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proximal
 
1. nearest the point of attachment to the trunk.  (Note: this definition is used primarily...
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distal 
 
farthest from the point of attachment to the trunk; farthest from the point of originthe knee...
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superficial
 
near the surface of the bodythe skin is superficial to the underlying organs.
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deep
 
away fro the surface of the bodymuscles are deep to the skin
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supine
 
lying on the back, face up.  (Note: in relation to the arms, supine means the palms are...
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prone
 
lying on the abdomen, face down.  (Note: in relation to the arms, prone means the palms...
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plantar
 
sole of the footplantar warts are on the sole of the foot
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dorsum
 
upper portion of the footthe dorsum of the foot is the top portion
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peripheral
 
away from the centerperipheral nerves are the nerves away from the brian and spinal cord.  peripheral...
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ABDOMINOPELVIC REGIONS AND QUADRANTS
 
THE ABDOMINOPELVIC AREA OF THE BODY HAS BEEN DIVIDED INTO REGIONS AND QUADRANTS FOR PURPOSES...
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abdominopelvic regions
 
right hypochondriac region; epigastric region; left hypochondriac region; right lumbar region;...
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abdominopelvic quadrants
 
umbilicus (center; umbilical region); right upper quadrant (RUQ); left upper quadrant (LUQ);...
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PLANES OF THE BODY
 
BECAUSE AN ORGAN CA BE CUT IN DIFFERENT WAYS, THERE ARE DIFFERENT KINDS OF PLANES
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PLANE 
 
DEFINITION
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frontal; coronal
 
separates a structure into anterior (front) and posterior (back) portions
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sagittal
 
separates a structure into right and left sides; if the sagittal section divides the body into...
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transverse; horizontal
 
separates a structure into  superior and inferior portions
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ADDITIONAL WORD PARTS
 
ROOTS TO BUILD MEDICAL TERMS
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anter/o
 
front
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caud/o
 
tail
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dors/o
 
back 
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infer/o
 
inferior
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inguin/o
 
groin
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medi/o
 
middle
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phren/o
 
diaphragm
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poster/o
 
posterior
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proxim/o
 
near
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super/o
 
superior
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ventr/o
 
front
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TERM ANALYSIS AND DEFINITION
 
ROOTS
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gastr/o
 
stomach
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-ic
 
pertaining to 
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epi-
 
upon; above
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epigastric
 
pertaining to upon the stomach (refers to an abdominal region)
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-ic 
 
pertaining to 
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hypo-
 
below; deficient
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hypogastric
 
pertaining to below the stomach (refers to an abdominal region)
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ili/o
 
hip
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-ac
 
pertaining to 
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iliac
 
pertaining to the hip
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TERMS ANALYSIS AND DEFINITION
 
SUFFIXES
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-al  
 
pertaining to
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caud/o
 
tail
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caudal
 
pertaining to the tail; toward the tail 
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crani/o
 
skull
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cranial
 
pertaining to the skull
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dors/o
 
back
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dorsal
 
pertaining to the back (Note; think the dorsal fin of a fish)
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inguin/o
 
groin
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inguinal
 
pertaining to the groin
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medi/o
 
middle
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medial
 
pertaining to the middle
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proxim/o
 
near; close
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proximal
 
pertaining to that which is near a point of reference
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spin/o
 
spine; spinal column; backbone
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spinal
 
pertaining to the spine
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ventr/o
 
front
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ventral
 
pertaining to the front
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viscer/o
 
internal organ
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visceral 
 
pertaining to the internal organs
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-ic
 
pertaining to 
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pelv/o
 
pelvic
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pelvic
 
pertaining to the pelvis
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phren/o
 
diaphragm
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phrenic
 
pertaining to the diaphragm
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thorac/o
 
chest; thorax
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thoracic
 
pertaining to the chest
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-ior
 
pertaining to 
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anter/o
 
front
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anterior
 
pertaining to the front of the body or organ
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infer/o
 
below; downward
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inferior
 
pertaining to below or in a downward position; a structure below another structure
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poster/o
 
back
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posterior
 
pertaining to the back of the body or an organ
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super/o
 
above; toward the head
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superior
 
pertaining to a structure or organ situated either above another or toward the head
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ABBREVIATIONS
 
MEANING
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LLQ
 
left lower quadrant
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LUQ
 
left upper quadrant
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RLQ
 
right lower quadrant
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RUQ
 
right upper quadrant

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