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.
any anomaly in the blood concentration of the peptide hormone produced mainly by P/D1 cells lining the fundus of the stomach and epsilon cells of the pancreas that stimulates hunger and serves as a potent stimulator of growth hormone from the anterior pituitary gland; in addition to stimulating appetite and growth, ghrelin also plays various roles in energy homeostasis, neuropathy, and in the cardiovascular and immune systems