(Science: investigation, procedure) A technique in which high–frequency sound waves are bounced off internal organs and the echo pattern is converted into a 2 dimensional picture of the structures beneath the transducer.
You will also like...
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..