MT CHAPTER 2 BODY STRUCTURE AND DIRECTIONAL TERMINOLOGY

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Cell Membrane thin outer wall that encloses the cell contents
Cytoplasm holds the organelles of the cell
Lysosome Organelle that serves a digestive function for the cell
Ribosome site of protein formation; contains RNA
Mitochondrion converts netrients to energy in presence of oxygen
Nucleus control center of cell; contains DNA, which carries genetic information
Antrum any nearly closed cavity or chamber
Apex the pointed extremith of a conical structure such as the heart
Body the largest or most important part of an organ
Fornix any vaultlike or arched body
Fundus base or deeptes part of a hollow organ that is farthest from the mouth of the organ
Hilum recess, exit, or entrance of a duct into a gland or of nerves and vessels into an organ
Lumen Space within an artery, vein, intestine, or tube
Sinus cavity or channel in bone, a dilated channel for blood, or cavity to permjit the escape of purulent material
Vestibule small space or cavity at the beginning of a canal
antr/o antrum
apic/o apex
hem/o blood
hemat/o blood

som/o
somat/o
body

oste/o
osse/o
bone
cyt/o cell
lys/o dissolve
epitheli/o epithelium
adip/o fat
fornic/o
fornix
vault like arcy
fund/o
fundus
base or deepest part of an organ
myocardi/o heart muscle
lumin/o lumen
my/o muscle
neur/o nerve
thel/o nipple
kay/o nucleus
nucle/o nucleus
organ/o organ
viscer/o organ, viscera
rib/o
ribose
organic compound that occures widely in nature
home/o sameness

sin/o
sinus/o
sinus, cavity
rhabdomy/o skeletal muscle
leiomy/o smooth muscle
system/o system
hist/o tissue
bol/o to cast
vestibul/o vestibul
ana- up, apart
cata- down
dis- bad, difficult
endo- within
epi- above
mal- bad, ill
meta- change, beyound
para- near, beside

-ia
-ism
condition

-ium
-um
structure
-plasm formation
-stasis controlling
-us noun ending
cyst/o bladder
vesic/o bladder
myel/o bone marrow, spinal cord
nephr/o kidney
ren/o kidney
onych/o nail
ungu/o nail
oophor ovary
enter/o small intestine