Summary
Hypertrophy is the increase in the volume of an organ or tissue due to the enlargement of its component cells. It is distinguished from hyperplasia, in which the cells remain approximately the same size but increase in number. Although hypertrophy and hyperplasia are two distinct processes, they frequently occur together, such as in the case of the hormonally induced proliferation and enlargement of the cells of the uterus during pregnancy. Eccentric hypertrophy is a type of hypertrophy where the walls and chamber of a hollow organ undergo growth in which the overall size and volume are enlarged. It is applied especially to the left ventricle of heart. Sarcomeres are added in series, as for example in dilated cardiomyopathy (in contrast to hypertrophic cardiomyopathy, a type of concentric hypertrophy, where sarcomeres are added in parallel). File:*+ * Photographic documentation on sexual education - Hypertrophy of breast - Nude of an elderly woman around 1870 - Photographer unknown - Public domain, since the copyright has expired;.jpg|Hypertrophy of [[breast]], c. 1870 File:Hypertrophied clitoris.jpg|Hypertrophy of the [[clitoris]] File:Feet from a case of partial hypertrophy of the foot Wellcome L0061374.jpg|Hypertrophy of the [[foot]], partial File:Ipertrofia miocardica.jpg|Forensic post-mortem examination of a case of [[hypertrophic cardiomyopathy]], showing thickening of the [[cardiac muscle]] File:Head of a boy with hypertrophy of the ear Wellcome L0062496.jpg|Hypertrophy of the ear ([[macrotia]]) File:Kidney hypertrophy Wellcome L0005308.jpg|Kidney hypertrophy File:Lip hypertrophy.jpg|Hypertrophy of the upper lip File:Face of man with hypertrophy of the temporal muscles Wellcome L0062508.
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