title: Fluoride concentrations in the pineal gland, brain and bone of goosander (Mergus merganser) and its prey in Odra River estuary in Poland.
abstract: The aim of the study was to investigate fluoride concentrations in bone, brain and pineal gland of goosander Mergus merganser wintering in the Odra estuary (Poland) as well as in fish originating from its digestive tract. The fluoride concentrations were determined with potentiometric method. Medians of concentrations in goosander had the highest and the lowest values in pineal gland and brain (>760 and <190 mg/kg, respectively). Fluoride concentration in the pineal gland was significantly greater than in the bone and the brain of the duck. In fish, the fluoride concentration ranged from 37 to 640 mg/kg and significant correlation was revealed between the fluoride concentration and fish weight and length. Based on own results and data of other authors, a daily fluoride intake by the goosander in the Odra estuary was estimated at 15 mg. So high fluoride concentrations like in the duck have not been found in mammal brains.
authors.affiliation: Department of Biology and Medical Parasitology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland.
authors.forename: Elzbieta
authors.initials: E
authors.lastname: Kalisinska
authors.forename: Irena
authors.initials: I
authors.lastname: Bosiacka-Baranowska
authors.forename: Natalia
authors.initials: N
authors.lastname: Lanocha
authors.forename: Danuta
authors.initials: D
authors.lastname: Kosik-Bogacka
authors.forename: Katarzyna
authors.initials: K
authors.lastname: Krolaczyk
authors.forename: Aleksandra
authors.initials: A
authors.lastname: Wilk
authors.forename: Katarzyna
authors.initials: K
authors.lastname: Kavetska
authors.forename: Halina
authors.initials: H
authors.lastname: Budis
authors.forename: Izabela
authors.initials: I
authors.lastname: Gutowska
authors.forename: Dariusz
authors.initials: D
authors.lastname: Chlubek
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D004372:Ducks / Q000378:metabolism*; D063366:Estuaries; D005260:Female; D005399:Fishes / Q000378:metabolism*; D005459:Fluorides / Q000032:analysis / Q000378:metabolism*; D020387:Food Chain; D008297:Male; D010870:Pineal Gland / Q000378:metabolism; D011044:Poland; D011199:Potentiometry; D012621:Seasons; D012886:Skull / Q000378:metabolism; D014018:Tissue Distribution; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000378:metabolism*
chemical_list: D014874:Water Pollutants, Chemical; D005459:Fluorides
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