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Lesson 2
Basic Medical Language - Directional terms, positions, and imaging
Term | Definition |
---|---|
cephal/o | head (upward) |
dist/o | away (from the point of attachment) |
infer/o | below |
later/o | side |
proxim/o | near (the point of attachment) |
ventr/o | belly (front) |
anter/o | front |
caud/o | tail (downward) |
dors/o | back |
medi/o | middle |
poster/o | back, behind |
super/o | above |
-ad | toward |
-al, -ic, -ior | pertaining to |
axial plane | horizontal field dividing the body into superior and inferior portions |
coronal plane | vertical field passing through the body from side to side, dividing the body into anterior and posterior portions |
sagittal plane | vertical field passing through the body from front to back, dividing the body into right and left sides. midsagittal is at the midline of the body |
fowler position | semi-sitting |
orthopnea position | sitting upright supported by pillows behind the back |
prone position | lying on abdomen, facing downward |
sims position | lying on side in semi-prone with knee drawn up toward chest with arm drawn parallel to back |
supine position | lying on back, facing upward |
trendelenburg position | lying on back with body tilted so the head is lower than the feet |
umbilical region | around the naval |
lumbar regions | to the right and left of the umbilical region. near the waist |
epigastric region | superior to the umbilical region |
hypochondriac regions | to the right and left of the epigastric region |
hypogastric region | inferior to the umbilical region |
iliac regions | to the left and right of the hypogastric region, near the groin |
ant | anterior |
AP | anteroposterior |
inf | inferior |
lat | lateral |
LLQ | left lower quadrant |
LUQ | left upper quadrant |
med | medial |
PA | posteroanterior |
post | posterior |
RLQ | right lower quadrant |
RUQ | right upper quadrant |
sup | superior |