| ectopic corticotropin-releasing hormone s. |
a disorder clinically indistinguishable from ectopic ACTH syndrome but caused by ectopic secretion of corticotropin-releasing hormone by a variety of tumors, generally bronchial carcinoid tumors.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| ectopic h. |
a hormone released from a neoplasm or cells outside the usual source of the hormone. Such hormones may be useful as tumor markers. Cf. eutopic h.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| ectopic i. |
1. the impulse that causes an ectopic beat. 2. a pathologic nerve impulse that begins in the middle of an axon and proceeds simultaneously towards the cell body and the periphery; it may be connected to a paresthesia or some other disorder of transmission.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| ectopic k. |
one not in the usual position (see renal ectopia, under ectopia). The most common types are abdominal, lumbar, pelvic, thoracic, and crossed fused ectopic kidneys.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| ectopic m. |
the formation of myeloid tissue outside the bone marrow.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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