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Ch. 5 -- Heart

STUDY
PLAY
cardiac
cardi/o- = heart
-ac = pertaining to
cardiovascular
cardi/o- = heart
vascul/o- = blood vessel
-ar = pertaining to

definition: a continuous, circular body system that includes the heart and the vascular structures
myocardium
my/o- = muscle
cardi/o- = heart
-um = a structure; period of time

definition: the muscular layer of the heart
endocardium
endo- = innermost; within
cardi/o- = heart
-um = a structure; period of time

definition: the innermost layer of cells that lines the atria, ventricles, and heart valves
pericardium
peri- = around
cardi/o- = heart
-um = a structure; period of time

definition: outermost layer of the heart. (aka: pericardial sac)