Cloned from: 4 Human Body



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Front Back
abdominal quadrants
four divisions of the abdomen used to pinpoint the location of a pain or injury
acetabulum
the pelvic socket into which the ball at the proximal end of the femur fits to form the hip joint
acromioclavicular joint
the joint where the acromion and the clavicle meet
acromion process
the highest portion of the shoulder
alveoli
the microscopic sacs of the lungs where gas exchange with the bloodstream takes place
anatomical position
the standard reference position for the body in the study of anatomy. In ths position, the body is standing erect, facing the observer, with arms down at the sides and the palms of the hands forward
anatomy
the study of the body structure
anterior
the front of the body or body part
aorta
the largest artery in the body. It transports blood from the left ventricle to begin the systemic circulation
appendix
a small tube located near the junction of the small and large intestines in the right loser quadrant of the abdomen, the function of which is not well understood. Its inflammation, called appendicitis, is a common cause of abdominal pain
ateriole
the smallest kind of artery
artery
any blood vessel carrying blood away from the heart
atria
the two upper chambers of the heart. There is a right atrium (which recieves unoxygenated blood returning from the body) and a left atrium (which recieves oxygenated blood returning from the lungs).
automaticity
the ability of the heart to generate and conduct electrical impulses on its own
autonomic nervous system
the division of the peripheral nervous system that controls involuntary motor functions
bilateral
on both sides
blood pressure
the pressure caued by blood exerting force agaisnt the walls of blood vessels. Usually arterial blood pressure (the pressure in an artery) is measured. systolic and diastolic
brachial artery
artery of the upper arm; the site of the pulse checked during infant cpr
bronchi
the two larges sets of branches that come off the trachea and enter the lungs
calcaneus
the heel bone
capillary
a thin-walled, microscopic blood vessel where the oxygen/carbon dioxide and nutient/waste exchange with the body's cells take place
cardiac muscle
specialized involuntary muscle found only in the heart
cardiac conduction system
a system of specialized muscle tissues which conduct electrical impulses that stimulate the heart to the beat
cardiovascular system
the system made up of the hard 9cardio) and the blood vessels (vascular); the circularoy system
carotid arteries
the large neck arteries, one on each side of the neck, that carry blood from the heart to the head
carpals
the wrist bones
central nervous system (CNS)
the brain and spinal cord
central pulses
the carotid and femoral pulses, which can be felt in the central part of the body
circulatory system
see cardiovascular system
clavicle
the collarbone
coronary arteries
blood vessels that supply the muscle of the heart (myocardium)
cranium
the top, back, and sides of the skull
cricoid cartilage
the ring-shaped structure that forms the lower portion of the larynx
dermis
the inner (second0 layer of the skin, rich in blood vessels and nerves, found beneath the epidermis
diaphram
the muscular structure that divides the chest cavity from the abdominal cavity. A major muscle of respiration
diastolic blood pressure
the pressure in the arteries when the left ventricle is refilling
digestive system
system by which food travels through the body and is digested, or broken down into absorbable forms
distal
farther away from the torso
dorsal
referring to the back of the body or the back of the hand or foot (posterior)
dorsalis pedis artery
artery supplying the foot, lateral to the large tendon of the big toe
endocrine system
system of glands that produce chemicals called hormones that help to regulare many body activities and functions
epidermis
the outer layer of skin
epiglottis
a leaf-shaped structure that prevents food and foreign matter from entering the trachea
epinephrine
a hormone produced by the body. As a medication, it dilates respiratory passafes and is used to relieve severe allergic reactions
exhalation
a passive process in which the intercostal (rib) muscles and the diaphragm relax, causing the chest cavirty to decrease in size and air to flow out of the lungs
femoral artery
the major artery supplying the leg
femur
the large bone of the thigh
fibula
the lateral and smaller bone of the lower leg
fowler's position
a sitting position
gallbaldder
a sac on the underside of the liver that stores bile produced by the liver
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