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  • 1
    Electronic Resource
    Electronic Resource
    Meniscal ossification (1994)
    Springer
    Skeletal radiology 23 (1994), S. 173-179 
    Details
    ISSN: 1432-2161
    Keywords: Meniscus ; Anatomy ; Ossicle ; Tiger (Panthera tigris)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Examination of knee menisci of Bengal tigers revealed ossicles within the cartilaginous anterior horn of each medial meniscus. This ossification was not evident in the neonatal animal, but was present in animals aged 20 months or older. The ossicle appeared prior to the completion of skeletal maturation at the knee, and was composed of normal remodeling trabecular bone. While most animals had a single, variably sized ossicle, multiple ossicles also occurred. The meniscal cartilage apposed to the femoral articulation exhibited a distinct columnar pattern in the region of the ossicle, in contrast to the non-columnar pattern throughout the bulk of the meniscus, including the ossicle side apposed to the tibial plateau. In this particular large mammalian species medial meniscal ossification appears to be a normal anatomical variation that progressively develops following birth, and may serve as a model for the phylogenetic (developmental) theory of etiology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197455
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Meniscal ossification (1994)
    Springer
    Skeletal radiology 23 (1994), S. 167-172 
    Details
    ISSN: 1432-2161
    Keywords: Meniscus ; Anatomy ; Ossicle ; Trauma ; TAR syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ossicles appearing in the medial menisci of three patients appeared to be post-traumatic in two and developmental in one. The histologic analysis in the two post-traumatic patients showed relatively normal bone and cartilage, but without the specific structural cartilaginous adaptations found in a naturally occurring large animal model. The third patient, with tibia vara and TAR (thrombocytopenia — absent radius) syndrome, developed the ossicle spontaneously. He is the youngest reported patient, to date, to develop this anatomic variation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197454
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Radiology of postnatal skeletal development (1986)
    Springer
    Skeletal radiology 15 (1986), S. 433-438 
    Details
    ISSN: 1432-2161
    Keywords: Atlas ; Axis ; Rotatoxy subluxation ; Displacement ; Predens space
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Composites of C1 and C2 were analyzed in various roentgenographic projections to elucidate osseous interrelationships and the effect of overlap of different portions of these two vertebrae in standard radiographic projections during differing stages of postnatal chondro-osseous transformation. In anteroposterior projections the dentocentral synchrondrosis of C2 normally was located below the inferior rim of the C1 anterior ossification center. The upper extent of the dens ossification center was behind this anterior C1 center. The overlap made visualization of the ossiculum terminale difficult. The spinous process of C1 could be confused with the ossiculum. In tranverse projections, the normal laxity characteristic of young children allowed considerable variation in rotational interrelationships. Various degrees of such instability are illustrated. In lateral views variation of the anterior contour of the dens was significant. Such variation must be considered developmental due to the location and direction of growth of the chondrum terminale and interactive modeling between C1 and C2 to allow extension at this particular joint.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00355100
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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