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Tissue expansion is a technique used by plastic, maxillofacial and reconstructive surgeons to cause the body to grow additional skin, bone, or other tissues. Other biological phenomena such as tissue inflammation can also be considered expansion (see tissue inflammation below).
These appliances can be used to achieve expansion in the maxillary arch; there are devices for mandibular expansion or lower expansion too. In past many years, different types of appliances have been made. These types are: tissue-borne, tooth-borne, slow maxillary expansion, rapid maxillary expansion, and bone-anchored.
Tissue growth is the process by which a tissue increases its size. In animals, tissue growth occurs during embryonic development, post-natal growth, and tissue regeneration. The fundamental cellular basis for tissue growth is the process of cell proliferation, which involves both cell growth and cell division occurring in parallel. [1] [2] [3] [4]
These antibodies initiate a complement-dependent inflammatory cascade, culminating in tissue damage and destruction. [ 50 ] [ 51 ] Given that AQP4 is primarily expressed on perivascular astrocytic endfeet in the spinal cord and by Müller cells in the retina , NMOSD preferentially affects the spinal cord, and the anterior visual system.
The natural foreskin is composed of smooth dartos muscle tissue (called the peripenic muscle [16]), large blood vessels, extensive innervation, outer skin, and inner mucosa. [17] The process of foreskin restoration seeks to regenerate some of the tissue removed by circumcision, as well as provide coverage of the glans.
Cell division, growth, and proliferation. Cell proliferation is the process by which a cell grows and divides to produce two daughter cells. [1] [2] [3] [4] Cell ...
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Soft tissue swelling of internal organs, notably the heart with the attendant weakening of its muscularity, and the kidneys, also the vocal cords resulting in a characteristic thick, deep voice and slowing of speech; Generalized expansion of the skull at the fontanelle; Pronounced brow protrusion, often with ocular distension (frontal bossing)