Title:

Diurnal rhythm of the skeleton growth of some rodent species

Creator:

Klevezal, G. A. ; Gębczyński, M.

Place of publishing:

Białowieża

Date issued/created:

1978

Description:

Experiments were carried out on four species of rodents: Wistar rats, bank voles, European pine voles and field voles. Oxytetracycline (OTC) was injected at different times of the night and a day in doses from 10-20 mg/kg of body weight and the animals killed 6 to 12 hours later. Intensity of yellow fluorescence was estimated in ultraviolet light in the following bones: skull, fore and hind leg and spine, as a measure of the rate of incorporation into the growing bone. It was found that intensity of incorporation in the bones is not uniform throughout the course of 24 hours, but is higher during the active period of the animal's diurnal rhythm. This provides grounds for assuming that the diurnal rhythm of sceleton growth is divided into periods of varying rate of growth. Doświadczenia przeprowadzone były na 4 gatunkach gryzoni - szczurach laboratoryjnych rasy Wistar, nornicy rudej, darniówce i norniku burym. Zwierzętom wstrzykiwano chlorowodorek oksytetracykliny (OTC) w róznych porach doby i zabijano je po 6 lub 12 godzinach. Następnie obserwowano w świetle ultrafioletowym intensywność żółtej fluoroscencji w kościach: czaszki, kończyny przedniej i tylnej oraz kręgosłupa, co stanowi miarę tempa wbudowywania się podawanej substancji w rosnącą kość (Ryc. 1).

Type of object:

Journal/Article

Subject and Keywords:

diurnal rhythm ; growth ; rodents ; skeleton ; szkielet

Relation:

Acta Theriologica

Volume:

23

Issue:

36

Start page:

527

End page:

539

Resource type:

Text

Detailed Resource Type:

Article

Format:

application/pdf

Resource Identifier:

10.4098/AT.arch.78-42

Source:

click here to follow the link

Language:

eng ; sum. eng. ; pol.

Rights:

Rights Reserved - Free Access

Terms of use:

Copyright-protected material. May be used within the limits of statutory user freedoms

Digitizing institution:

Mammal Research Institute of the Polish Academy of Sciences

Original in:

Library of the Mammal Research Institute Polish Academy of Sciences

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

Access:

Open