Steady-state relationship of calcium-45 between bone and blood: differences in growing dogs, chicks, and rats
Journal Article
·
· Science (Washington, D.C.); (United States)
In young animals that had received multiple doses of calcium-45, a constant ratio of calcium-45 specific activity in blood to that in bone was found in growing dogs and chicks but not in rats. This steady-state relationship of calcium-45 between bone and blood suggests that during growth in dogs and chicks most of the skeletal calcium is an active state of turnover. In growing rats, after the first 2 weeks of life, the blood/bone ratio of calcium-45 decreases due to a decrease in bone resorption.
- Research Organization:
- Case Western Reserve Univ., Cleveland, OH
- OSTI ID:
- 5801523
- Journal Information:
- Science (Washington, D.C.); (United States), Journal Name: Science (Washington, D.C.); (United States) Vol. 214; ISSN SCIEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550501* -- Metabolism-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METALS
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL MATERIALS
BIRDS
BLOOD
BODY
BODY FLUIDS
CALCIUM
CALCIUM 45
CALCIUM ISOTOPES
CHICKENS
DATA
DAYS LIVING RADIOISOTOPES
DOGS
ELEMENTS
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FOWL
HOMEOSTASIS
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
MAMMALS
MATERIALS
METABOLISM
METALS
NUCLEI
NUMERICAL DATA
ORGANS
QUANTITY RATIO
RADIOISOTOPES
RATS
RODENTS
SKELETON
STEADY-STATE CONDITIONS
TRACER TECHNIQUES
UPTAKE
VERTEBRATES
59 BASIC BIOLOGICAL SCIENCES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METALS
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL MATERIALS
BIRDS
BLOOD
BODY
BODY FLUIDS
CALCIUM
CALCIUM 45
CALCIUM ISOTOPES
CHICKENS
DATA
DAYS LIVING RADIOISOTOPES
DOGS
ELEMENTS
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FOWL
HOMEOSTASIS
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
MAMMALS
MATERIALS
METABOLISM
METALS
NUCLEI
NUMERICAL DATA
ORGANS
QUANTITY RATIO
RADIOISOTOPES
RATS
RODENTS
SKELETON
STEADY-STATE CONDITIONS
TRACER TECHNIQUES
UPTAKE
VERTEBRATES