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Peacock tail feather. The conservation and restoration of feathers is the practice of maintaining and preserving feathers or featherwork objects, and requires knowledge of feather anatomy, properties, specialized care procedures, and environmental influences. This practice may be approached through preventive and/or interventive techniques.
The Nuss procedure is a minimally invasive procedure, invented in 1987 by Dr. Donald Nuss and his colleagues, Dr. Daniel Croitoru and Dr. Robert Kelly, for treating pectus excavatum. [1] [2] [3] He developed it at Children's Hospital of The King's Daughters, in Norfolk, Virginia. The operation typically takes approximately two hours. [4]: 1277
Various types of tissue may be transferred as a "free flap" including skin and fat, muscle, nerve, bone, cartilage (or any combination of these), lymph nodes and intestinal segments. An example of "free flap" could be a "free toe transfer" in which the great toe or the second toe is transferred to the hand to reconstruct a thumb. [1]
Feather development occurs in the epidermal layer of the skin in birds.It is a complicated process involving many steps. Once the feathers are fully developed, there are six different types of feathers: contour, flight, down, filoplumes, semiplumes, and bristle feathers.
myo- : related to muscle tissue, from the Greek μυς, mús, from μύσκυλος múskulos, "little mouse", so called because the Greeks believed that muscles looked like little mice. nephro- : related to the kidney from the Greek νεφρόν, nephrón, accusative declension of νεφρός, kidney
Tissue embedded within optimal cutting temperature compound (OCT), mounted on a chuck in a cryostat, and ready for section production. The frozen section procedure is a pathological laboratory procedure to perform rapid microscopic analysis of a specimen. It is used most often in oncological surgery. [1] The technical name for this procedure is ...
A medical procedure with the intention of determining, measuring, or diagnosing a patient condition or parameter is also called a medical test. Other common kinds of procedures are therapeutic (i.e., intended to treat, cure, or restore function or structure), such as surgical and physical rehabilitation procedures.
Mitral valve replacement is a procedure whereby the diseased mitral valve of a patient's heart is replaced by either a mechanical or tissue (bioprosthetic) valve. The mitral valve may need to be replaced because: [1] The valve is leaky (mitral valve regurgitation) The valve is narrowed and doesn't open properly (mitral valve stenosis)