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an introduction to the structurof the bodye and function

abdominopelvic quadrants

four areas created by intersecting two imaginary lines through the umbilicus

abdominopelvic regions

Nine regions formed by superior horizontal plane just inferior to ribs, inferior horizontal plane to hip bone, vertical planes just medial to nipples

anatomic position

describes the body assuming that the individual is standing in the standard position that includes: standing up straight so that the body is erect and facing forward; holding the arms at the sides with the hands turned with the palms turned toward the front

mediastinum

the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus

dorsal

belonging to or on or near the back or upper surface of an animal or organ or part

cranial

of or relating to the cranium which encloses the brain

appendicular

upper and lower extremities

axial

Relating to head, neck, and trunk, the axis of the body

atrophy

to waste away

homeostasis

process by which organisms maintain a relatively stable internal environment

feedback loop

basic type of control system in the body

sensor

in homeostasis, a receptor that detects a stimulus

Negative feedback loop

homeostatic control system, in which information feeding back to control center causes the level of a vaiable to be changed in the direction opposite to that of the inital stimulus

positive feedback loop

Causes a system to change further in the same direction.

platelets

tiny, disk-shaped bodies in the blood, important in blood clot formation

relative

having pertinence or relevance

developmental processes

change and stability: quantitative change, qualitative change, stability

aging process

the natural occurrences in the body that produce the changes associated with growing old

anatomy

Greek words meaning cutting up

physiology

study of function of living organisms and their parts

pelvic cavity

contains the reproductive organs and urinary bladder.

pleural cavity

the cavity in the thorax that contains the lungs

spinal cavity

contains the spinal cord

thoracic cavity

the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart

ventral cavity

includes the front of the body (thoracic, abdominal, and pelvic cavities)

diaphragm

(anatomy) a muscular partition separating the abdominal and thoracic cavities

superior

"toward the head" and "upper" or "above"

inferior

" toward the feet" and "lower" or below

Anterior

"Front " or " in front "

posterior

" back " or "in back of "

medial

toward the midline of the body

lateral

toward the side of the body

proximal

close to the origin of the body part or the point of attachment of a limb to the body trunk

distal

away from the trunk

superficial

nearer the body surface

deep

away from the body surface; more internal

sagittal plane

vertical division of the body into right and left portions

midsagittal plane

divides the body into equal right and left sides

frontal plane

divides the body into anterior and posterior

transverse plane

horizontal division of the body into upper and lower portions

dorsal body cavity

cavity along the posterior side of the body made of the cranial cavity and the spinal cavity

ventral body cavity

contains all the structures within the chest and abdomen, that is the visceral organs

right hypochondriac

UPPER RIGHT REGION

epigastric region

upper middle region below the sternum

left hypochondriac

Upper left region beneath the ribs

umbillical region

center (naval)

left lumbar region

left lateral region in the middle row

right lumbar region

right lateral region in the middle row

right iliac region

bottom right region

left iliac region

bottom left region

hypogastric region

region below the navel

abdominal cavity

space below the chest containing organs such as the liver, stomach, gallbladder, and intestines; also called the abdomen

pelvic cavity

Contains the urinary bladder, the reproductive organs, and the last part of the large intestine.

dorsal body cavity organs

Brain , and spinal cord

hypothesis

possible explanation

cellular

relating to cells

prone

lying face downward

supine

lying face upward

tissue

a group of similar cells that work together to perform a specific job in the body

organs

groups of tissues that perform a particular job in an organism

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