| lymphangiectomy | Excision of a lymph channel. Origin: Lymphangio-+ G. Ektome, excision (05 Mar 2000) |
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| lymphangiitis | <pathology> Inflammation of a lymphatic vessel or vessels. Acute lymphangitis may result from spread of bacterial infection (most commonly beta haemolytic streptococci) into the lymphatics, manifested by painful subcutaneous red streaks along the course of the vessels. (18 Nov 1997) |
| lymphangio- | The lymphatic vessels. Origin: L. Lympha, spring water, + G. Angeion, vessel (05 Mar 2000) |
| lymphangioendothelioma | <tumour> A neoplasm consisting of irregular groups or small masses of endothelial cells, as well as congeries of tubate structures that are thought to be derived from lymphatic vessels. Origin: Lymphangio-+ endothelium + -oma, tumour (05 Mar 2000) |
| lymphangiogram | <investigation> An X-ray of the lymphatic system. A contrast agent (dye) is injected to outline the lymphatic vessels and organs. This investigation has been replaced in most cases by a CT scan (12 May 1997) |
| lymphangiography | <investigation> A method of detecting enlarged lymph nodes, sometimes used to determine the extent of disease in lymphoma patients. It involves the injection of dye into the feet, which allows the lymph system and lymph nodes inside the body to be detected on an X-RAY photograph. (13 Nov 1997) |
| lymphangioleiomyomatosis | <radiology> Females, chylous pleural effusions, interstitial infiltrate at bases (due to smooth muscle proliferation), post-obstructive emphysema, with or without spontaneous pneumothorax (Differential diagnosis: eosinophilic granuloma), similar appearance of tuberous sclerosis (12 Dec 1998) |
| lymphangiology | The branch of medical science concerned with the lymphatic vessels. Synonym: lymphology. Origin: Lymphangio-+ G. Logos, study (05 Mar 2000) |
| lymphangioma | <oncology, tumour> A localised collection of lymphatic vessels resulting in a nodule or mass. most are congenital. (27 Sep 1997) |
| lymphangioma capillare varicosum | A congenital nevoid lesion consisting of a circumscribed group of tense lymph vesicles. Synonym: lupus lymphaticus, lymphangiectodes, lymphangioma capillare varicosum, lymphangioma superficium simplex. (05 Mar 2000) |
| lymphangioma cavernosum | A condition of conspicuous dilation of lymphatic vessels in a fairly circumscribed region, frequently with the formation of cavities or "lakes" filled with lymph. Synonym: cavernous lymphangiectasis. (05 Mar 2000) |
| lymphangioma circumscriptum | A congenital nevoid lesion consisting of a circumscribed group of tense lymph vesicles. Synonym: lupus lymphaticus, lymphangiectodes, lymphangioma capillare varicosum, lymphangioma superficium simplex. (05 Mar 2000) |
| lymphangioma cysticum | A condition characterised by a fairly well circumscribed group of several or numerous, cystlike, dilated vessels or spaces lined with endothelium and filled with lymph. Synonym: cystic lymphangiectasis. (05 Mar 2000) |
| lymphangioma simplex | A circumscribed region or focus of several to numerous lymphatic vessels that are moderately dilated. Synonym: simple lymphangiectasis. (05 Mar 2000) |
| lymphangioma superficium simplex | A congenital nevoid lesion consisting of a circumscribed group of tense lymph vesicles. Synonym: lupus lymphaticus, lymphangiectodes, lymphangioma capillare varicosum, lymphangioma superficium simplex. (05 Mar 2000) |
| central mesenteric lymph nodes | The mesenteric lymph nodes located along the intestinal (jejunal and ileal) branches of the superior mesenteric artery. Synonym: nodi lymphatici superiores centrales, central mesenteric lymph nodes. (05 Mar 2000) |
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| retroauricular lymph nodes | Two or three nodes in the region of the mastoid process; they receive afferent lymphatic vessels from the scalp and auricle and send efferent vessels to the superior deep cervical nodes. Synonym: nodi lymphatici mastoidei, mastoid lymph nodes. (05 Mar 2000) |
| retrocaecal lymph nodes | Nodes located behind the caecum draining lymph into the ileocolic nodes. Synonym: nodi lymphatici retrocaecales. (05 Mar 2000) |
| retropharyngeal lymph nodes | The three groups of lymph nodes, one median and two lateral, located between the pharynx and the prevertebral fascia; they receive lymph from the nasopharynx, the auditory tube, and the atlanto-occipital and atlantoaxial joints. Synonym: nodi lymphatici retropharyngeales. (05 Mar 2000) |
| retropyloric lymph nodes | A group of lymph nodes located behind the pylorus. Synonym: nodi retropylorici, retropyloric nodes. (05 Mar 2000) |
| mesenteric lymph nodes | Nodes located in the mesentery; they are of three classes: mesenteric lymph nodes, juxta-intestinal lymph nodes, and the superior middle group of mesenteric lymph nodes. Synonym: nodi lymphatici mesenterici. (05 Mar 2000) |
| mesocolic lymph nodes | Nodes located in the mesocolon; they are of two classes: para-colic lymph nodes, located in immediate proximity to the colon; colic lymph nodes located along the arteries supplying the colon. Synonym: nodi lymphatici mesocolici, nodi lymphatici paracolici. (05 Mar 2000) |
| right colic lymph nodes | Nodes located along the right colic artery that drain the upper part of the ascending colon. Synonym: nodi lymphatici colici dextri. (05 Mar 2000) |
| right gastric lymph nodes | Small nodes along the course of the right gastric artery that drain part of the lesser curvature of the stomach. Synonym: nodi lymphatici gastrici dextri. (05 Mar 2000) |
| right gastroepiploic lymph nodes | Nodes located in the greater omentum along the right gastroepiploic artery that drain part of the greater curvature of the stomach and the greater omentum. Synonym: nodi lymphatici gastro-omentales dextri, right gastro-omental lymph nodes. (05 Mar 2000) |
| right gastro-omental lymph nodes | Nodes located in the greater omentum along the right gastroepiploic artery that drain part of the greater curvature of the stomach and the greater omentum. Synonym: nodi lymphatici gastro-omentales dextri, right gastro-omental lymph nodes. (05 Mar 2000) |
| right lumbar lymph nodes | The chain of lymph nodes associated with the inferior vena cava; it is divided into three groups: nodi lymphatici cavales laterales on the right of the inferior vena cava; nodi lymphatici precavales, in front of the inferior vena cava; nodi lymphatici postcavales, under nodus lymphaticus, behind the inferior vena cava. Synonym: nodi lymphatici lumbales dextri, lumbar lymph nodes. (05 Mar 2000) |
| middle colic lymph nodes | Nodes along the middle colic artery and its branches that drain the right colic flexure and most of the transverse colon. Synonym: nodi lymphatici colici medii. (05 Mar 2000) |
| middle group of mesenteric lymph nodes | The mesenteric lymph nodes located along the intestinal (jejunal and ileal) branches of the superior mesenteric artery. Synonym: nodi lymphatici superiores centrales, central mesenteric lymph nodes. (05 Mar 2000) |
| middle rectal lymph node | A lymph node along the middle rectal artery that receives afferents from the pararectal nodes and sends efferents to the internal iliac nodes. Synonym: middle rectal node, nodus rectalis medius. (05 Mar 2000) |