| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
|---|---|
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| ICS | ileocecal sphincter; immotile cilia syndrome; impulse-conducting system; integrated case study; inte... |
| LIS | laboratory information system; lateral intercellular space; left intercostal space; library informat... |
| LM | Leptomeningeal metastases |
|---|---|
| NASA | Aeronautic and Space Administration |
| ESA | European Space Agency |
| ECS | Extracellular space |
| HSGC | Head-Space Gas Chromatography |
| posttraumatic leptomeningeal cyst | A persistent cystic accumulation of cerebrospinal fluid with progressive loss of bone and dura, occurring at the site of a previous fracture. (05 Mar 2000) |
|---|---|
| leptomeningeal | Pertaining to the leptomeninges. (05 Mar 2000) |
| leptomeningeal carcinoma | <tumour> An infiltration of carcinoma cells in the arachnoid and subarachnoid space; may be primary or secondary. Synonym: leptomeningeal carcinoma, leptomeningeal carcinomatosis, meningeal carcinomatosis. (05 Mar 2000) |
| leptomeningeal carcinomatosis | <tumour> An infiltration of carcinoma cells in the arachnoid and subarachnoid space; may be primary or secondary. Synonym: leptomeningeal carcinoma, leptomeningeal carcinomatosis, meningeal carcinomatosis. (05 Mar 2000) |
| leptomeningeal cyst | <radiology> Growing skull fracture, trauma most likely to be , skull fracture with tear of dura, herniation of fluid-filled arachnoid tissue, cyst walled off by subarchnoid adhesions, XR: oval area of bony erosion with scalloped margins, may result in acquired encephalocele (12 Dec 1998) |
| leptomeningeal fibrosis | A fibrous reaction within the subarachnoid space; sometimes a sequel to infectious or chemical meningitis. See: adhesive arachnoiditis. (05 Mar 2000) |
| alveolar dead space | The difference between physiologic dead space and anatomical dead space; it represents that part of the physiologic dead space resulting from ventilation of relatively underperfused or nonperfused alveoli; it differs specifically in being placed so as to fill and empty in parallel with functional alveoli, rather than being interposed in the conducting tubes between functional alveoli and the external environment. (05 Mar 2000) |
| anatomical dead space | The volume of the conducting airways from the external environment (at the nose and mouth) down to the level at which inspired gas exchanges oxygen and carbon dioxide with pulmonary capillary blood; formerly presumed to extend down to the beginning of alveolar epithelium in the respiratory bronchioles, but more recent evidence indicates that effective gas exchange extends some distance up the thicker-walled conducting airways because of rapid longitudinal mixing. Compare: alveolar dead space, physiologic dead space. Synonym: anatomical airway. (05 Mar 2000) |
| antecubital space | The fossa in front of the elbow, bounded laterally and medially by the humeral origins of the extensors and flexors of the forearm, respectively, and superiorly by an imaginary line connecting the humeral condyles. Synonym: fossa cubitalis, antecubital space, chelidon, triangle of elbow. (05 Mar 2000) |
| anterior clear space | On lateral chest radiographs, the region dorsal to the sternum and ventral to the ascending aorta. Synonym: anterior clear space. (05 Mar 2000) |
| apical space | The space between the alveolar wall and the apex of the root of a tooth where an alveolar abscess usually has its origin. (05 Mar 2000) |
| axillary space | <anatomy> The underarm area. (16 Dec 1997) |
| Berger's space | The space between the patellar fossa of the vitreous and the lens. (05 Mar 2000) |
| Bogros' space | A triangular space between the peritoneum and the transversalis fascia, at the lower angle of which is the inguinal ligament; it contains the lower portion of the external iliac artery. Synonym: Bogros' space, spatium retroinguinale. (05 Mar 2000) |
| Bottcher's space | The blind pouch at the end of the endolymphatic duct. (12 Dec 1998) |
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