Planes through Abdominopelvic Regions and Quadrants Vocab-Anatomy

umbilical region

The centermost region, which includes the umbilicus.

oblique

a diagonally arranged abdominal muscle on either side of the torso; slanting or sloping; not straightforward or direct.

lumbar region

abdominal regions to left and right of umbilical region.

midclavicular line

an imaginary line on the chest that runs vertically through the center of the clavicle.

left lower quadrant

contains part of descending colon, sigmoid colon, left ovary and tube, left ureter, left spermatic cord.

right lower quadrant

contains parts of the small and large intestines, right ovary, right fallopian tube, appendix, right ureter.

left upper quadrant

contains the liver (L lobe), stomach, spleen, part of the pancreas, parts of the small and large intestines.

right upper quadrant

contains the liver (R lobe), gallbladder, part of the pancreas, parts of the small and large intestines..

midsagittal

divides body right and left (down the middle).

horizontal/transverse

divides the body into upper and lower portions; rotation occurs within the horizontal plane.

hypogastric region

inferior to the umbilical region.

inguinal (iliac) region

right and left regions of the lower section of abdomen; inferior to lumbar region.

subcostal line

separates epigastric region from umbilical region.

transtubercular line

transverse line dividing lower abdominopelvic region from the middle.

epigastric region

upper middle region below the sternum.

hypochondriac region

upper right and left region below the cartilage of the ribs that extends over the abdomen.

frontal/coronal

vertical field passing through the body from side to side, dividing the body into anterior and posterior portions.

parasagittal

vertical field running through the body from front to back, dividing the body into unequal left and right sides.