Hypoparathyroidism Basic Information Definition Pathologic condition of the parathyroid glands characterized by low secretion of parathyroid hormone (PTH), hypocalcemia, and hyperphosphatemia. Hypoparathyroidism can be primary or secondary. Synonym(s) Parathyroid gland…
Blood Urea Nitrogen (BUN) Basic Information Definition • Urea: A highly water-soluble neutral (not acidic or basic) nitrogenous molecule necessary for disposal of nitrogenous waste in mammals • Blood urea…
Anemia, Nonregenerative Basic Information Definition Decreased red blood cell (RBC) mass (anemia) due to decreased RBC production Synonym(s) Nonresponding or nonresponsive anemia Typical Normal Range (US units; SI units) •…
Neonatal Isoerythrolysis Basic Information Definition Hemolytic anemia of newborn foals caused by alloantibodies directed against the foal’s red blood cells (RBCs). Synonym(s) • Jaundiced foal syndrome • Isoimmune hemolytic anemia…
Granulosa Cell Tumor Basic Information Definition A granulosa cell tumor (GCT) is a sex-cord stromal tumor of the ovary. It is by far the most common tumor of the equine…
Large Colon Intussusception Basic Information Definition One segment of the colon telescoping (intussusceptum) into an adjacent segment of the colon (intussuscipiens) Synonym Colo-colic intussusception Epidemiology Species, Age, Sex As with…
Sorghum and Sudan Grass Toxicosis Basic Information Definition Sorghum grasses have been selected as drought-tolerant forage or grain crops. Although the grain sorghums (“milo”) rarely present a toxicity problem, the…
Basophil (Basophilia, Basopenia) Basic Information Definition Basophils are granulocytes that originate from the bone marrow. These cells have a lobulated nucleus and contain moderate numbers of basophilic granules. Synonym(s) baso…
