| Maturation process of secondary ossification centers in the rat and assessment of bone age. | |
| | |
MedLine Citation:
|
PMID: 218826 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
The maturation process from the appearance to the fusion of the secondary ossification centers of extremities was studied in Wistar rats aged 0 to 134 weeks. The examination of the secondary ossification centers made by radiography. The assessment of the stage of development was made in accordance with the criteria proposed by Ohwada and Sutow. The secondary ossification center was found to be take one of the following three types of maturation processes : (1) the acute ossification, (2) the delayed ossification, and (3) the incomplete ossification. No fusion was observed up to 134 weeks in certain epiphyses of the rat. This type of ossification designated as the incomplete ossification may be specific to the mouse and rat. The relative lengths of time required for appearance and fusion in the average prospective life were obtained for the rat. They were compared with those of the mouse and man. The relative length of time necessary for maturity of the secondary ossification centers was shown to be the shortest in the rat and the longest in man. The results suggested that the rat may reach maturity in the bone age at 17 to 21 weeks of age. The rat at this age may be regarded as being adult corresponding to age 17 weeks in mice and 18 to 24 years in man. |
| | |
Authors:
|
S Fukuda; O Matsuoka |
Related Documents
:
|
16707226 - Effects of d-galactose on the expression of hippocampal peripheral-type benzodiazepine ... 8647156 - Physiological aging and penile erectile function: a study in the rat. 18308806 - Changes in brain orexin levels in a rat model of depression induced by neonatal adminis... 16569446 - Progressive deterioration of reaction time performance and choreiform symptoms in a new... 1825326 - Intramuscular relative dose response (rdr) determination of liver vitamin a stores in r... 10073496 - Hepatic portal vein cannulation for infusion and blood sampling in freely moving rats. |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Jikken dobutsu. Experimental animals Volume: 28 ISSN: 0007-5124 ISO Abbreviation: Jikken Dobutsu Publication Date: 1979 Jan |
Date Detail:
|
Created Date: 1979-06-29 Completed Date: 1979-06-29 Revised Date: 2003-11-14 |
Medline Journal Info:
|
Nlm Unique ID: 1256412 Medline TA: Jikken Dobutsu Country: JAPAN |
Other Details:
|
Languages: eng Pagination: 1-9 Citation Subset: IM |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Age Determination by Skeleton
/
veterinary* Animals Bone Development Epiphyses / physiology Female Male Osteogenesis* Rats / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Effects of calcium on a cyclic nucleotide system in soleus motor nerve terminals.
Next Document: Examination of latent infection in germfree mice for some murine viruses.