nephr
Relating to kidneys
Neur/o (prefix)
Relating to the nervous tissues
Nos/o
Disease bearing
NPO
Nothing by mouth
/ologist
One who studies
/ology
The study of
/Oma
Related to tumors
/onc/o
relating to tumors (oncologist, oncology)
OR
Operating room
/orrhagia
Pertaining to hemorrhaging
/osis
An undesirable or abnormal condition
Neg
Negative
Oste/o
Relating to bones
Ostomy
A surgical created opening
Otomy
To cut, usually a surgical procedure
P
Phosphorus
Path/o
Disease producing
Pb
Lead
Ped/I
Relating to children
Penia
A decrease in
pH
The concentration of hydrogen ions
Phleb/o
Vein
Physio
Pertaining to the nature of the body
PKU
phenylketonuria