ventricles

Heart sounds

by
Heart sounds

Introduction to heart sound With each heart-beat, the detectable heart sounds are produced. These sounds represent the auscultatory events of the cardiac cycle. Heart sounds can be amplified and recorded by placing an electronically amplified microphone on the chest. The recording of such sounds is called a phonocardiogram. There are four heart sounds associated with … Read more

Cerebrospinal fluid, its formation and circulation

by
Cerebrospinal fluid, its formation and circulation

Introduction of CSF It is a clear, colorless liquid and an ultra-filtrate of blood. It is present in the sub-arachnoid space of the meninges which provides a special environment in which the brain floats. It cushions the brain from hard blows and sudden movements. The weight of brain floating in CSF is only about 14% … Read more