释义 |
Christchurch chromosome
Christ·church chro·mo·somean obsolete term describing an abnormal small acrocentric chromosome (no. 21 or 22) with complete or almost complete deletion of the short arm; found in cultured leukocytes in some cases of chronic lymphocytic leukemia, also in some unaffected relatives of patients.A small, acrocentric chromosomal fragment on either chromosome 21 or 22, in which the short arm is missing or partially deleted, found in a New Zealand family, associated with lymphoproliferative disorders—e.g., CLLSee CH1 See CH1 |