where does the ligamentum arteriosum derive from
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- The ligamentum attaches to the final part of the arch of aorta (the isthmus of aorta) and the first part of the descending aorta The ligamentum is attached to the top of the left pulmonary artery.he ligamentum attaches to the final part of the arch of aorta (the isthmus of aorta) and the first part of the descending aorta The ligamentum is attached to the top of the left pulmonary artery.
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ligamentum ar te rio sum Medical Definition of ligamentum arteriosum. : a cord of tissue that connects the pulmonary trunk and the aorta and that is the vestige of the ductus arteriosus.
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fetal circulation & Rh incompatibility 1 Because of certain changes in the cardiovascular system at birth, certain vessels and structures are no longer required. 2  Over a period of months these fetal vessels form nonfunctional ligaments, and fetal structures such as the foramen ovale persist as anatomic vestiges of the prenatal circulatory system.
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Ligament At joints, ligaments form a capsular sac that encloses the articulating bone ends and a lubricating membrane, the synovial membrane. Sometimes the structure includes a recess, or pouch, lined by synovial tissue; this is called a bursa.
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Regions and Planes of the Abdomen Inguinal Ligament. Human Anatomy » Body Systems » Muscular System » Inguinal Ligament. Inguinal ligament (sometimes known as Poupart’s ligament, which is an eponym) extends from the anterior superior iliac spine to the pubic tubercle. It is in fact the thick, folded lower border of the aponeurosis of external oblique muscle.
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Pseudoxanthoma Elasticum The gene is expressed predominantly in the liver and kidney; however, pseudoxanthoma elasticum most commonly involves the elastic fibers of the mid and deep reticular dermis of skin, the Bruch membrane of the eye, and the blood vessels. The disease’s manifestations are primarily due to an underlying metabolic disorder.seudoxanthoma elasticum is associated with mutations in the ABCC6 gene, which encodes an ATP-binding cassette transporter protein recently localized to the mitochondria-associated membrane (MAM).
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What Is the Transverse Carpal Ligament? The transverse carpal ligament, also referred to as the flexor retinaculum or anterior annular ligament, for example, is a superficial structure, meaning it lies close to the surface. This means that too much pressure on this area or repetitive actions can irritate or injure this ligament.
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ap1 Chapter 9 ligament of the head of the femur. is a tiny ligament in the hip, that originates along the acetabulum. its attachment is the fovea of the head of the femur. This ligament does not provide strength to the joint; rather, it typically contains a small artery that supplied the head of the femur.
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Anatomy of the juxtaglomerular apparatus. Anatomy of the juxtaglomerular apparatus. Barajas L. The juxtaglomerular apparatus, located in the glomerular hilum, consists of a vascular component (afferent and efferent arterioles and extraglomerular mesangium) and a tubular component (macula densa).natomy of the juxtaglomerular apparatus. Barajas L. The juxtaglomerular apparatus, located in the glomerular hilum, consists of a vascular component (afferent and efferent arterioles and extraglomerular mesangium) and a tubular component (macula densa).
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RIXIMKA DUMARKA From Wikipedia, the free encyclopedia. In anatomy, a ligament is the fibrous connective tissue that connects bones to other bones and is also known as articular ligament, articular larua, fibrous ligament, or true ligament.Ligament can also refer to: 1  Peritoneal ligament: a fold of peritoneum or other membranes.igaments connect bones to other bones to form joints, while tendons connect bone to muscle. Some ligaments limit the mobility of articulations, or prevent certain movements altogether. Capsular ligaments are part of the articular capsule that surrounds synovial joints.
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patent abnormal persistence of an open lumen in the ductus arteriosus, between the aorta and the pulmonary artery, after birth. The ductus arteriosus is open during prenatal life, allowing most of the blood of the fetus to bypass the lungs, but normally this channel closes shortly before birth. When the ductus arteriosus remains open, it places special burdens on the left ventricle and causes a diminished blood flow in the aorta.
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The Cerebrum The posterior (back) portion of the corpus callosum is called the splenium; the anterior (front) is called the genu (or knee); between the two is the truncus, or body, of the corpus callosum. The part between the body and the splenium is often markedly narrowed and thus referred to as the isthmus. The rostrum is the part of the corpus callosum that projects posteriorly and inferiorly from the anteriormost genu, as can be seen on the sagittal image of the brain displayed on the right.
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Supraspinous ligament Structure [edit]. The supraspinous ligament connects the tips of the spinous processes from the seventh cervical vertebra to the sacrum. Above the seventh cervical vertebra, the supraspinous ligament is continuous with the nuchal ligament.Between the spinous processes it is continuous with the interspinous ligaments.he supraspinous ligament, also known as the supraspinal ligament, is a ligament found along the vertebral column.
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- A foramen ovale is both a hole in the skull through which nerves pass and a fetal shunt between chambers of the heart. The ligamentum arteriosum is the connective tissue betwe … en the pulmonary artery and the aortic arch and is a closed vestige of a fetal duct known as the ductus arteriosus.
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MRI Web Clinic â July 2014 Figure 7:(7a) Intermediary root of the inferior extensor retinaculum. Sagittal STIR image of the ankle visualizes the EDL curving over the anterior ankle. The dark band of tissue extending superiorly and anteriorly toward the tendon from the sinus tarsi is the intermediary root of the inferior extensor retinaculum.
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Round ligament of liver The round ligament represents the remnant of the fetal umbilical vein. The round ligament therefore only exists in mammals. Prenatally and for a month or two after birth, the umbilical vein is patent, subsequently degenerating to fibrous tissue, the round ligament.n adult-hood, there remains small paraumbilical veins in the substance of the ligament, which act as an important portacaval anastomosis in severe portal hypertension, resulting in a caput medusae presentation.
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Handling Shareholder Loans The imputed interest amount is first deemed to be transferred from the corporation to the shareholder as either an imaginary dividend or as imaginary salary. In either case, the imaginary amount must be reported as additional taxable income on the shareholder’s return.
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Ductus arteriosus Ductus arteriosus. In the developing fetus, the ductus arteriosus, also called the ductus Botalli, is a blood vessel connecting the pulmonary artery to the proximal descending aorta. It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled non-functioning lungs.
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- Thusmay be the reason it is demoted as amembrane, but in reality itis a ligamentcontiguous below with the ligamentumflava and above with the periosteum ofthe interior and the exterior walls of theforamen magnum as only a ligamen-tous structure would be.
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Anterior Longitudinal Ligament The anterior longitudinal ligament is a long, thick ligament that traverses the entire length of the spinal canal and helps provide stability to the spinal column.Situated in front of the spinal cord in the spinal column, the ligament helps limit flexion and prevent over-extension.he anterior longitudinal ligament is a long, thick ligament that traverses the entire length of the spinal canal and helps provide stability to the spinal column.
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Anatomy Exam 1 The hiatus is the region where the filum terminale externum (coccygeal ligament) exits. This ligament attaches to the posterior coccyx and provides support to the spinal cord. The sacral hiatus is also a region where spinal taps can be performed.
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CHAPTER 4 TENDONS, SKELETAL MUSCLES, AND LIGAMENTS IN HEALTH AND DISEASE In other areas of the body, deep fascia exists as intermuscular septa, and in the case of flexor tendons, localized transverse thickenings of deep fascia form retinacular or annular ligaments that encircle tendons, hold them close to the bone, and thus prevent bowing of the tendon when its muscle contracts (Fig. 4-1).
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- The circle of Willis (circulus arteriosus cerebri) is an anastomotic system of arteries that sits at the base of the brain.The “circle” was named after Thomas Willis by his student Richard Lower. Willis was the author of Cerebri Anatome, a book that described and depicted this vascular ring.he circle of Willis (circulus arteriosus cerebri) is an anastomotic system of arteries that sits at the base of the brain. The “circle” was named after Thomas Willis by his student Richard Lower.
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Ligamentum Flavum Thickening Ligamentum Flavum Thickening. Ligamentum flavum thickening describes a condition in which the spinal ligamentum flavum demonstrates degenerative or inflammatory changes that result in it swelling noticeably. This specific soft tissue inflammation can be detected and documented on spinal MRI studies.
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- The ligament of Treitz is an anatomical landmark used by anatomists and surgeons to denote the duodenojejunal junction and the point where the small intestine passes from retroperitoneal duodenum to intraperitoneal jeunum.
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- The Interspinal ligaments are also short ligaments that extend between the spinal processes. The supraspinal ligaments begin on the spinal process of the 7fh cervical vertebra and extend as far as the sacrum to provide a continuous connection between the vertebrae and the sacrum.nly some of the Junctions between the ribs and the sternum are synovial joints which are always present between the sternum and ribs 2-5, but ribs 1, 6 and 7 are joined to the sternum by cartilaginous joints, synchondroses. The sternocostal joints are strengthened by ligaments which continue into the membrana sterni.