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Body MedTerm
Planes, quadrants, regions, directional/positional terms, cavities
Term | Definition |
---|---|
coronal/frontal plane | slices the body into front and back |
sagittal/longitudinal plane; median plane | slices the body into left and right |
parasagittal line | half of the median plane on both sides of the body; slices near the medial part of the armpit down to the middle of the foot |
RUQ (right upper quadrant) contains: | liver, right lobe, gallbladder, bile duct, transverse colon (cut), and ascending colon |
LUQ (left upper quadrant) contains: | left lobe, stomach (cut) spleen, duodenum, pancreas, pancreatic duct, and descending colon |
RLQ (right lower quadrant) contains: | cecum, vermiform appendix |
LLQ (left lower quadrant) contains: | small intestine, rectum, anus |
Right Hypochondriac region | top right (patient's view) of the body regions |
Left Hypochondriac region | top left (patient's view) of the body regions |
Right Lumbar region | middle right (patient's view) of the body regions |
Left lumbar region | middle left (patient's view) of the body regions |
Right inguinal/iliac region | bottom right (patient's view) of the body regions |
Left inguinal/iliac region | bottom left (patient's view) of the body regions |
Epigastric region | top middle region |
Umbilical region | center region |
Hypogastric (pubic) region | bottom middle region |
Cranial | towards the head |
caudal | towards the feet |
anterior/ventral | towards the front |
posterior/dorsal | towards the back |
Superior | above |
Inferior | below |
medial | towards median plane |
proximal | towards the body attachment site |
distal | away from body attachment site |
lateral | away from median plane |
cranial cavity | the brain, skull |
dorsal cavity | the back side |
spinal cavity | vertebrae and spine |
thoracic cavity | the chest |
abdominal cavity | abdomen |
pelvic cavity | below abdominal cavity; pelvis |
abdominal-pelvic | includes both abdomen and pelvic cavities |
ventral cavity | front side |