sonogram/ultrasound

what is the difference?

I looked it up

Main Entry: ul·tra·sound
Pronunciation: '&l-tr&-'saund
Function: noun
Date: 1923
1 : vibrations of the same physical nature as sound but with frequencies above the range of human hearing
2 : the diagnostic or therapeutic use of ultrasound and especially a technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities -- called also sonography
3 : a diagnostic examination using ultrasound

Main Entry: sono·gram
Pronunciation: 'sä-n&-'gram
Function: noun
Date: 1956
: an image produced by ultrasound

thanks kptoys!

there is SO much to learn!