The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
the presence of unusually thin or flattened red blood cells that when stained show a dark center and a peripheral ring of hemoglobin, separated by a pale unstained ring containing less hemoglobin, resulting in a bull's-eye appearance and resembling a 3D sombrero when viewed under EM; seen in certain anemias, thalassemias, hemoglobinopathies, obstructive jaundice, and the post-splenectomy state
Synonyms:
exact_synonym:
Mexican hat erythrocytes; increased Mexican hat cell number; increased codocyte number; increased target cell number; target erythrocytes; wafer-thin erythrocytes