Body Cavities, Quadrants, Planes and Sections, and directional terms

33 terms by michaelgmof

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cranial cavity

contains the brain

vertebral cavity

contains the spinal cord

diaphragm

muscle that separates the thoracic and abdominopelvic cavities

thoracic cavity

enclosed by the ribs, sternum, and vertebral column

pericardial cavity

contains the heart

pleural cavity

contains the lungs

mediastinum

central area within the thoracic cavity

abdominopelvic cavity

contains both the abdominal and pelvic cavities

abdominal cavity

the area between the diaphragm and the brim of the pelvis

pelvic cavity

contains the reproductive organs and urinary bladder.

Anterior

The front; before

Ventral

Belly Side (equivalent to anterior when referring to human body)

Posterior

The back; behind

Dorsal

The back (= to posterior when referring to human body)

Cranial or cephalic

the head

Superior

Above; at a higher level (in human body, toward the head)

Caudal

The tail (coccyx in humans)

Inferior

Below; at a lower level

Medial

toward the center

Lateral

toward the outside

proximal

toward an attached base

Distal

away from an attached base

superficial

at, near, or relatively close to the body surface

deep

farther from the body surface

Transverse plane

Perpendicular to the vertical orientation of the body

Sagittal plane

Vertical section divides a body into right and left portions

Midsagital plane

plane passes through the midline, dividing the body in half and separating the right and left sides equally

Parasagittal plane

misses the midline, separating right and left portions of unequal size

Frontal plane

separates anterior and posterior portions of the body

Right upper quadrant

right lobe of liver, gallbladder, right kidney, portions of stomach, small and large intestine

Left upper quadrant

left lobe of liver, stomach, pancreas, left kidney, spleen, portions of large intestine

Right lower quadrant

Cecum, appendix, and portions of small intestine, reproductive organs, right ureter

Left lower quadrant

Most of small intestine, and portions of large intestine, left ureter, and reproductive organs

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