| eruption cyst | A form of dentigerous cyst in the soft tissues in conjunction with an erupting tooth; seen on the alveolar ridge of children. (05 Mar 2000) |
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| eruptive | 1. Breaking out or bursting forth. "The sudden glance Appears far south eruptive through the cloud." (Thomson) 2. <medicine> Attended with eruption or efflorescence, or producing it; as, an eruptive fever. 3. <geology> Produced by eruption; as, eruptive rocks, such as the igneous or volcanic. Origin: Cf. F. Eruptif. <geology> An eruptive rock. Source: Websters Dictionary (01 Mar 1998) |
| eruptive fever | A febrile disease of the mediterranean area, the crimea, africa, and india, caused by infection with rickettsia conorii. (12 Dec 1998) |
| eruptive phase | That period in the tooth formation which includes the development of the roots, periodontal ligament, and dentogingival junction of the tooth. (05 Mar 2000) |
| eruptive stage | The stage of an exanthematous illness in which the rash appears. (05 Mar 2000) |
| eruptive xanthoma | The sudden appearance of groups of 1-4 mm waxy yellow or yellowish-brown papules with an erythematous halo, especially over extensors of the elbows and knees, and on the back and buttocks of patients with severe hyperlipaemia, often familial or more rarely in severe diabetes. (05 Mar 2000) |