| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
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| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
| RUL | right upper eyelid; right upper lateral; right upper limb; right upper lobe |
| RHLN | right hilar lymph node |
| anterior jugular lymph nodes | Nodes of the lateral deep cervical group located anterior to the internal jugular vein; two nodes are specifically named: the jugulodigastric lymph node and the jugulo-omohyoid lymph node. Synonym: nodi lymphatici jugulares anteriores. (05 Mar 2000) |
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| anterior mediastinal lymph nodes | Located in the superior mediastinum in relation to the great vessels, these nodes receive lymph from the thymus, pericardium and right side of the heart; their efferent vessels join those of the tracheal nodes to form the bronchomediastinal trunks. Synonym: nodi lymphatici mediastinales anteriores. (05 Mar 2000) |
| anterior superficial cervical lymph nodes | The lymph nodes in the subcutaneous tissue of the anterior region of the neck. Synonym: nodi lymphatici cervicales anteriores superficiales. (05 Mar 2000) |
| apical group of axillary lymph nodes | The group of lymph node's located at the apex of the axillary fossa that receive lymphatic drainage from other groups of axillary node's and then drain in turn into the subclavian lymphatic trunk. Synonym: nodi lymphatici axillares apicales. (05 Mar 2000) |
| appendicular lymph nodes | Nodes along the appendicular vessels in the mesoappendix; they receive afferent vessels from the vermiform appendix and send efferent vessels to the ileocolic lymph nodes. Synonym: nodi lymphatici appendiculares. (05 Mar 2000) |
| axillary lymph nodes | Numerous nodes around the axillary veins which receive the lymphatic drainage from the upper limb, scapular region and pectoral region (including mammary gland); they drain into the subclavian trunk. Synonym: nodi lymphatici axillares, axillary glands. (05 Mar 2000) |
| bifurcation lymph nodes | Several large lymph nodes inferior to the tracheal bifurcation; they receive afferents from the bronchopulmonary nodes and the heart, and send efferents to the superior tracheobronchial and tracheal nodes. Synonym: nodi lymphatici tracheobronchiales inferiores, bifurcation lymph nodes, carinal lymph nodes. (05 Mar 2000) |
| brachial lymph nodes | Lymph nodes along the brachial vein that receive lymph drainage from most of the free superior limb and send efferent vessels to the central group of axillary lymph nodes. Synonym: nodi lymphatici brachiales, brachial lymph nodes. (05 Mar 2000) |
| bronchopulmonary lymph nodes | Lymph nodes in the hilum of the lung that receive lymph from the pulmonary node's, and drain to the tracheobronchial nodes. Synonym: glandulae bronchiales, bronchial glands, hilar lymph nodes, nodi lymphatici bronchopulmonales. (05 Mar 2000) |
| carinal lymph nodes | Several large lymph nodes inferior to the tracheal bifurcation; they receive afferents from the bronchopulmonary nodes and the heart, and send efferents to the superior tracheobronchial and tracheal nodes. Synonym: nodi lymphatici tracheobronchiales inferiores, bifurcation lymph nodes, carinal lymph nodes. (05 Mar 2000) |
| pancreatic lymph nodes | Nodes draining the body and tail of the pancreas; they are subdivided into two groups: inferior pancreatic lymph nodes (nodi lymphatici pancreatici inferiores ), located along the inferior pancreatic artery; superior pancreatic lymph nodes (nodi lymphatici pancreatici superiores ), located along the splenic artery near the origin of its pancreatic branches. Synonym: nodi lymphatici pancreatici. (05 Mar 2000) |
| pancreaticoduodenal lymph nodes | Nodes along the superior and inferior pancreaticoduodenal arteries. Synonym: nodi lymphatici pancreaticoduodenales. (05 Mar 2000) |
| pancreaticosplenic lymph nodes | Lymph nodes of the pancreatic tail and spleen, receiving afferents from both organs plus the greater curvature of the stomach; they drain to the coeliac lymph nodes. Synonym: nodi lymphatici pancreticolienales. (05 Mar 2000) |
| gastroduodenal lymph nodes | Group of nodes surrounding the pylorus, draining lymph into the right gastric or the right gastro-omental lymph nodes; it is divided into three smaller groups: suprapyloric lymph nodes, above the pylorus; subpyloric lymph nodes, below the pylorus; and retropyloric lymph nodes, behind the pylorus. Synonym: nodi lymphatici pylorici, gastroduodenal lymph nodes. (05 Mar 2000) |
| paramammary lymph nodes | Several lymph nodes on the lateral side of the mammary gland that receive afferents from the mammary gland and send efferents to the axillary pectoral group of lymph nodes. The paramammary lymph nodes are commonly considered as part of the pectoral group of axillary nodes. Synonym: nodi lymphatici paramammarii. (05 Mar 2000) |