| extrachromosomal DNA | DNA that occurs naturally outside of the nucleus (e.g., mitochondrial DNA). (05 Mar 2000) |
|---|---|
| extrachromosomal element | Any heritable element not associated with the chromosome. It is usually a plasmid or the DNA of organelles such as mitochondria and chloroplasts. (18 Nov 1997) |
| extrachromosomal gene | A gene located outside of the nucleus (e.g., mitochondrial genes). (05 Mar 2000) |
| extrachromosomal inheritance | Transmission of hereditary characters by non-chromosomal replicating cytoplasmic structures such as mitochondria, plastids, and plasmids. (12 Dec 1998) |
| extracoronal retainer | A retainer that depends upon contact with the outer circumference of the crown of a tooth for its retentive qualities. (05 Mar 2000) |
| extracorporeal | <anatomy> Situated or occurring outside the body. Origin: L. Corpus = body (18 Nov 1997) |
| extracorporeal circulation | Diversion of blood flow through a circuit located outside the body but continuous with the bodily circulation. (12 Dec 1998) |
| extracorporeal dialysis | Haemodialysis performed through an apparatus outside the body. (05 Mar 2000) |
| extracorporeal membrane oxygenation | Application of a life support system that circulates the blood through an oxygenating system, which may consist of a pump, a membrane oxygenator, and a heat exchanger. Examples of its use are to assist victims of smoke inhalation injury, respiratory failure, and cardiac failure. (12 Dec 1998) |
| extracorporeal shock wave lithotripsy | <procedure> This procedure uses sound waves delivered inside a water bath to pulverise kidney stones painlessly inside the body. (11 Nov 1997) |
| extracorpuscular | Outside the corpuscles, especially the blood corpuscles. (05 Mar 2000) |
| extracranial | Outside of the cranial cavity. (05 Mar 2000) |
| extracranial arteritis | giant cell arteritis |
| extracranial ganglia | <anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen. Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion. (05 Mar 2000) |
| extracranial pneumatocele | Collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses. Synonym: extracranial pneumocele. (05 Mar 2000) |