Abstract. 1  Somatic mosaicism refers to the occurrence of two genetically distinct populations of cells within an individual, derived from a postzygotic mutation. In contrast to inherited mutations, somatic mosaic mutations may affect only a portion of the body and are not transmitted to progeny.
The heart is located slightly to the left side of the ribcage. It cannot be morphologically located. You are at a better position to locate the position of your own heart withâ¦ a stethoscope. This device helps you in locating the heart by listening to the heart beat.
Human Anatomy Â» Body Systems Â» Cardiovascular System Â» Anatomy of Heart. Heart is a hollow muscular organ, which is somewhat pyramidal in shape. It lies within the pericardium in the mediastinum. It lies free within the pericardium except at its base where it is connected to great blood vessels.