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Body Planes, Directions, and Cavities

Terms in this set (51)

abdominal cavity
also known as abdominal pelvic cavity; is divided into an upper part and a lower part
abdominal regions
is divided into nine regions; 1.)the center regions are the epigastric, umbilical, and hypogastric region, 2.)the right regions are the right hypochondriac region, right lumbar region, and right iliac region; the left regions are the left hypochondriac region, left lumbar region, left iliac region
anterior, ventral
body parts in front of the plane or on the front of the body
body cavities
spaces within the body that contain vital organs; there are two main body cavities:dorsal or posterior, and ventral or anterior
body planes
imaginary lines drawn through the body at various parts to separate the body into sections
caudal
means body parts located near the sacral region of the spinal column (also known as the "tail")
cranial
means body parts located near the head
cranial cavity
section that contains the brain
distal
body parts distant from the point of reference
dorsal, posterior
body parts on the back of the body
dorsal cavity
one long, continuous cavity located on the back of the body
frontal (coronal) plane
divides the body into a front section and a back section
inferior
body parts below other parts
lateral
body parts away from the midline
medial
body parts close to the midline or plane
midsagittal (median) plane
divides the body into right and left sides
nasal cavity
for the nose structures
orbital cavity
for the eyes
pelvic cavity
the lower abdominal cavity that contains the urinary bladder, the reproductive organs, and the last part of the large intestine
proximal
body parts close to the point of reterence
spinal cavity
contains the spinal cord
superior
body parts above other parts
thoracic cavity
located in the chest and contains the esophagus, trachea, bronchi, lungs, heart, and large blood vessels
transverse plane
a horizontal plane that divides the body into a top half and a bottom half
ventral cavity
separated into two distinct cavities by the diaphragm
diaphragm
dome-shaped muscle that is important for respiration (breathing)
Which two directional terms are used to describe the location of the extremities (arm & legs) in relation to the main trunk of the body, generally called the point of reference.
proximal and distal
How many regions is the abdominal region divided into?
9
Which cavity is larger than the dorsal cavities?
ventral cavities
Where is the thoracic cavity located?
in the chest
What are the three main body planes?
transverse, midsagittal, and frontal
The terms relating to body planes, directions, and cavities are used frequently in the study of what?
human anatomy
Where is the dorsal cavity located at?
on the back of the body
What do the center regions consist of in the abdominal regions?
epigastric, umbilical, and hypogastric/pelvic
What do the right and left sides consist of in the abdominal regions?
hypochondriac, lumbar, and iliac
What is the diaphragm important for?
respiration (breathing)
The abdominal cavity is divided into what?
a lower and upper part
What does the upper abdominal cavity contain?
the stomach, small intestine, most of the large intestine, appendix, liver, gallbladder, pancreas, and spleen
What is another name for the lower abdominal cavity?
pelvic cavity
What does the lower abdominal cavity contain?
urinary bladder, the reproductive organs, and the last part of the large intestine
How many quadrants is the abdominal cavity divided into?
4
What are the 4 quadrants the abdominal cavity is divided into?
RUQ, RLQ, LLQ, LUQ
What does the frontal (coronal) plane divide the body into?
a front and back section
What are the 2 main body cavities?
dorsal or posterior, and ventral or anterior
What do body cavities contain?
vital organs
Where is the epigastric located?
above the stomach
Where is the umbilical located?
near the umbilicus, or belly button
Where is the hypogastric/pelvic located?
below the stomach
Where is the hypochondriac located?
below the ribs
Where is the lumbar located?
near the large bones of the spinal cord
Where is the iliac located?
near the groin
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