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Merrill Chpt 3

General Anatomy Part 1

Divides the body into right and left segments, passing vertically from front to back Sagittal
Passes through the body vertically from side to side, dividing the body into anterior & posterior parts Coronal
Passes through midline & divides the body into equal anterior & posterior halves Midcoronal (MCP) or Midaxiallary
Passes through body from anterior to posterior & divides the body into equal right & left halves Midsagittal (MSP)
Passes crosswise through the body/part at right angles to the longitudinal axis Horizontal
Name the four planes of the body Sagittal, coronal, horizontal, and oblique
Two major categories of the torso are? Thoracic and abdominal
What cavity is Liver found in? Abdominal
What cavity are Lungs found in? Thoracic
What cavity is Heart found in? Thoracic
What cavity is Uterus found in? Pelvic
What cavity is Spleen found in? Abdominal
What cavity is Rectum found in? Pelvic
What cavity are Ureters found in? Abdominal
What cavity is Trachea found in? Thoracic
What cavity are Ovaries found in? Pelvic
What cavity is Esophagus found in? Thoracic
Name the 4 Body Habitus types Hypersthenic, Sthenic, Hyposthenic, & Asthenic
The 9 regions of abdomen are: Right/Left Hypochondrium, Epigastrium, Right/Left Lateral, Umbilical, Right/Left Inguinal, & Hypogastrium
C1 Mastoid tip
C3,C4 Hyoid
C5 Thyroid
C7,T1 Vertebra Prominens
T2,T3 Jugular Notch
T4,T5 Sternal angle
T7 Inferior angles Scapulea
T9,T10 Xiphoid Process
L2,L3 Inferior Costal Margin (lumbar puncture)
L4,L5 Superior most aspect Iliac Crest
S1,S2 ASIS (Anterior superior Iliac Spines)
Coccyx Pubic Symphysis (PS)& Greater Trochanters
T1 Approx. 2 inches above jugular notch
C2,C3 Gonion
T/F: Radiographers must possess a thorough knowledge of anatomy and medical terminology True
Define Anatomy The study of the science of the structure of the body
Define Physiology The study of the function of the body organs
Define Osteology The detailed study of the body of knowledge relating to the bones of the body
The most common body planes are Sagittal and coronal
What body plane is positioned at right angle to sagittal and coronal planes? Horizontal
What body plane divides body into superior and inferior portions? Horizontal
What body plane is also called transverse, axial, or cross-sectional? Horizontal
Passes through a body part at any angle between previous 3 planes? Oblique
T/F: Planes are used in radiographic positioning to center a body part to the IR or CR True
T/F: Special planes are localized to specific parts or areas of the body? True
What special plane transects the body at the pelvis at the top of the iliac crests (L4)? Interiliac
What special plane is formed by the biting surfaces of the upper/lower teeth with jaws closed? Occlusal
What cavity is L/R Pericardium found in? Thoracic
What cavity is L/R Pleural membranes found in? Thoracic
What cavity is Peritoneum found in? Abdominal
What cavity is Kidneys found in? Abdominal
What cavity is Pancreas found in? Abdominal
What cavity is Major blood vessels found in? Abdominal
The abdomen is bordered by the diaphragm superiorly or inferiorly? Superiorly
The abdomen is bordered inferiorly by the? Superior pelvic aperture (pelvic inlet)
What 2 methods is the abdomen divided into? Quadrants and Regions
What are the 4 quadrants? RUQ, RLQ, LUQ, & LLQ
What are quadrants useful for? Describing the location of various abdominal organs
T/F: The abdomen is divided into 9 regions by 4 planes, 2 horizontal and 2 vertical? True
Superior regions of abdomen include Right hypochondium, Epigastrium, Left hypochondrium
Middle regions of abdomen include Right lateral, umbilical, left lateral
Inferior regions of abdomen include Right inguinal, hypogastrium, left ingu
In which quadrant of the abdomen is the largest part of the liver located? Right upper
T/F: Most anatomic structures can be seen or palpated? False: they cannot
What is defined as the common variations in the shape of the human body? Body habitus
Why is body habitus important in radiology? Body habitus determines size, shape, and position of organs of the thoracic & abdominal cavities
T/F: Body habitus includes height and weight False
What 6 organs are affected by body habitus? Heart, lungs, diaphragm, stomach, colon, & gallbladder
Of the 4 body habitus types which 2 are considered average? Sthenic & hyposthenic
Created by: swisscheese



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