| heterotopic | Synonym: ectopic. 2. Relating to heterotopia. Origin: hetero-+ topos, place, + suffix -ic, pertaining to (05 Mar 2000) |
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| heterotopic bones | Bone's that do not belong to the main skeleton but that regularly develop in certain organs, e.g., the heart, penis, clitoris, and snout of some animals. (05 Mar 2000) |
| heterotopic graft | Transplantation of a tissue or organ into a position it normally does not occupy. (05 Mar 2000) |
| heterotopic gray matter | <radiology> Presence of cortical neurons in an abnormal location secondary to arrest of migrating neuroblasts from ventricular walls to brain surface between 7-24 weeks of gestational age, frequency: 3% of healthy population associated with: agenesis of corpus callosum, aqueductal stenosis, microcephaly, schisencephaly, encephalocele X-ray: single/multiple bilateral subependymal nodules along lateral ventricles Differential diagnosis: subependymal spread of neoplasm, subependymal haemorrhage, vascular malformation, tuberous sclerosis, intraventricular meningioma, neurofibromatosis (12 Dec 1998) |
| heterotopic pregnancy | A pregnancy not in the uterine cavity. (05 Mar 2000) |
| heterotopic stimulus | Any electrical activation from an abnormal locus. (05 Mar 2000) |
| ossification, heterotopic | The development of bony substance in normally soft structures. (12 Dec 1998) |
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| transplantation, heterotopic | Transplantation of tissue typical of one area to a different recipient site. The tissue may be autologous, heterologous, or homologous. (12 Dec 1998) |