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What are the four body planes?
sagittal, coronal, horizontal(transverse), and oblique
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Sagittal Plane
Divides the body into right and left segments
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Midsagittal plane
Divides the body into EQUAL right and left halves
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Coronal Plane
Divides the body into anterior and posterior segments
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Midcoronal Plane
divide the body into EQUAL anterior and posterior halves
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Horizontal (transverse) Plane
passes crosswise through the body at right angles to the longitudinal axis
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Other names for the horizontal plane
transverse, axial, and cross-sectional
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Oblique Plane
can pass through the body at any angle
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What are Plane used for in radiology
used to center the CR, body part and the IR
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What are the two special planes
interiliac and occlusal planes
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Interiliac Plane
transects the pelvis at the top of the iliac crests at the level of the fourth lumbar spinous process
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What is the interilic planes used for in positioning
postioning of the lumbar spine, sacrum, and coccyx
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Occlusal plane
formed by the biting surface of the upper and lower teeth with the jaw closed
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How is the occlusal plane used in positioning
positioning of the odontoid process and some head projections
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What are the abd quadrants
RUQ, RLQ, LUQ, LLQ
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What planes are used in dividing the quadrants
midsagittal and transverse planes
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Where do the transverse and midsagittal planes intersect to form the abd quadrants
at the umbilicus
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Who many abd regions are there
nine
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What are the three groups of abd regions
Superior, middle, and inferior
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What are the three areas in the superior abd region
- right hypochondrium
- epigastrium
- left hypochondrium
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What are the three areas in the middle abd region
- right lateral
- umbilical
- left lateral
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What are the three areas in the inferior abd region
- right inguinal
- hypogastrium
- left inguinal
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The mastoid tip lines up with what structure
C1
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C1 lines up with what external structure
mastoid tip
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The Gonion or angle of the mandible lines up with what structure
C2, C3
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C2, C3 lines up with what external structure
gonoid/angle of mandible
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hyoid bone lines up with
C3, C4
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C3, C4 lines up with
hyoid bone
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thyroid cartilage lines up with
C5
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C5 lines up with
thyroid cartilage
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vertebra prominens lines up with
C7, T1
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C7, T1 lines up with
vertebra prominens
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Approx 2" above jugular notch lines up with
T1
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T1 lines up with
approx 2" above the jugular notch
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jugular notch lines up with
T2, T3
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T2, T3 lines up with
jugular notch
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sternal angle lines up with
T4, T5
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T4, T5 lines up with
sternal angle
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inferior angles of scapulae lines up with
T7
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T7 lines up with
inferior angles of scapular lines
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xiphoid process lines up with
T9, T10
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T9, T10 lines up with
xiphoid process
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Inferior costal margin
L2, L3
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L2, L3 lines up with
inferior costal margin
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level of superiormost aspect of iliac crests lines up with
L4, L5
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L4, L5 lines up with
superiormost aspect of iliac crests
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level of anterior superior iliac spine (ASIS) lines up with
S1, S2
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S1, S2 lines up with
anterior superior iliac spine (ASIS)
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pubic symphysis and greater trochanter lines up with
coccyx
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coccyx lines up with
pubic symphysis and greater trochanter
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