| EFM | elderly fibromyalgia; electronic fetal monitoring; external fetal monitor |
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| EG | enteroglucagon; eosinophilic granuloma; esophagogastrectomy; ethylene glycol; external genitalia |
| EGBUS | external genitalia, Bartholin, urethral, Skene glands |
| EGS | electrogalvanic stimulation; electron gamma-shower; external guide sequence |
| EH | enlarged heart; external hyperalimentation; epidermolytic hyperkeratosis; epoxide hydratase; essenti... |
| external defibrillator | A defibrillator that delivers its defibrillating shock through the unopened chest wall. (05 Mar 2000) |
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| external dental epithelium | External enamel epithelium, the cuboidal cells of the outer layer of the odontogenic organ of a developing tooth. (05 Mar 2000) |
| external ear | Which includes the auricle and the external acoustic, or auditory, meatus; the middle ear or the tympanic cavity with its ossicles; and the internal ear or inner ear, or labyrinth, which includes the saemicircular canals, vestibule, and cochlea. See: auricle. Synonym: auris. Origin: A.S. Eare (05 Mar 2000) |
| external exudative retinopathy | See: exudative retinitis. (05 Mar 2000) |
| external female genital organs | The external feminine genital organs, the vulva and clitoris. Synonym: organa genitalia feminina externa. (05 Mar 2000) |
| external fistula | A fistula between a hollow viscus and the skin. (05 Mar 2000) |
| external fixation | <orthopaedics> The use of a special metal orthopaedic device (external fixator) to stabilise regions of bone. The majority of this special metal hardware is placed outside of the skin. See: internal fixation. (27 Sep 1997) |
| external fixators | External devices which hold wires or pins that are placed through one or both cortices of bone in order to hold the position of a fracture in proper alignment. These devices allow easy access to wounds, adjustment during the course of healing, and more functional use of the limbs involved. (12 Dec 1998) |
| external genitalia | The vulva in the female, and the penis and scrotum in the male. (05 Mar 2000) |
| external haemorrhoid | Varicose dilatation of a vein of the external haemorrhoidal plexus, usually situated distal to the anal sphincter. (05 Mar 2000) |
| external haemorrhoids | Dilated veins forming tumours at the outer side of the external sphincter. (05 Mar 2000) |
| external hydrocephalus | Accumulation of fluid in the subarachnoid spaces of the brain, accumulation of fluid in the subdural space owing to a persistent communication between the subarachnoid and subdural spaces. (05 Mar 2000) |
| external iliac artery | <anatomy, artery> Origin, common iliac; branches, inferior epigastric, deep circumflex iliac; becomes the femoral at the inguinal ligament. Synonym: arteria iliaca externa. (05 Mar 2000) |
| external iliac lymph nodes | Nodes located in association with the external iliac vein; they are subdivided into three groups: intermediate external iliac lymph nodes, between the vein and the external iliac artery; lateral external iliac lymph nodes, and medial external iliac lymph nodes, medial to the vein; they all receive afferent vessels from the inguinal nodes, lower abdominal wall, and pelvic viscera, and send efferent vessels to the common iliac nodes. Synonym: nodi lymphatici iliaci externi. (05 Mar 2000) |
| external iliac plexus | A lymphatic plexus formed by the lymph nodes along the external iliac artery on either side, and their afferent and efferent vessels. Synonym: plexus iliacus externus. (05 Mar 2000) |