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Body Planes, Sections, and Cavities A_M1
50 cards·by jennybakalov
planes
imaginary anatomical dividing lines which separate body structures
section
a cut through the body in the direction of a certain plane
sagittal plane
divides the body into right and left parts
mid-sagittal (median) plane
midline plane
coronal (frontal) plane
a vertical cut at right angles to the sagittal plane dividing the body into anterior (front)
and posterior (back) portions
transverse plane (cross section)
a horizontal cut that divides the body into upper and lower parts
dorsal cavity
lies posterior and contains the cranial and spinal cavities
cranial cavity
holds the brain
spinal cavity
holds the spine
ventral cavity
lies anterior and contains the thoracic and abdominopelvic cavities
thoracic cavity
is subdivided into the mediastinum and pleural cavities
mediastinum
located in the center of the thoracic cavity and contains the heart
pleural cavities
located to the left and right sides of the thoracic cavity and contain the lungs
diaphragm
seperates the thoracic from the abdominopelvic cavity
abdominopelvic cavity
contains the abdominal and pelvic cavities
abdominal cavity
includes the stomach, liver, gallbladder, pancreas, spleen, small intestine, appendix,
and part of the large intestine (colon)
pelvic cavity
includes the urinary bladder, reproductive organs, rectum, the remainder of the large
intestine, and appendix
retroperitoneal space
located behind the ventral cavity and contains the kidneys
How many regions does the abdominopelvic cavity have?
9 regions located in the upper, middle, and lower abdomen
right hypochondriac region located
1
epigastric region location
2
left hypochondriac region location
3
right lumbar region location
4
umbilical region location
5
left lumbar region location
6
right iliac (inguinal) region location
7
hypogastric (pubic) region location
8
left iliac (inguinal) region location
9
superficial organs in right hypochondriac region
liver and gallbladder
superficial organs in the epigastric region
stomach
superficial organs in the left hypochondriac region
diaphragm
superficial organs in the right lumbar region
ascending colon of large intestine
superficial organs in the umbilical region
transverse colon of large intestine and small intestine
superficial organs in the left lumbar region
descending colon of large intestine
superficial organs in the right iliac region
cecum and appendix
superficial organs in the hypogatric region
urinary bladder
superficial organs in the left iliac region
initial part of sigmoid colon
upper epigastric region
below the sternum
right hypochondriac region
below the right ribs
left hypochondriac region
below the left ribs
middle umbilical region
around the naval or umbilicus
right lumbar region
extends A-P in the area one often complains of low back in or lumbar sprain/strain
left lumbar region
extends A-P in the area of low back or lumbar sprain/strain
lower hypogastric region
pubic area
right iliac/inguinal region
pubic area
left iliac/inguinal region
pubic area
cavities within the skull
orbital, nasal, and oral/buccal
orbital cavity
contains the eyes, muscles of the eye, optic nerves, and lacrimal (tear) ducts
nasal cavity
contains the parts that form the nose
oral/buccal cavity
contains the teeth and tongue