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| Damen, Peter; Dictus, Wim J.A.G.. |
| The development of the muscular system of the gastropod mollusc Patella has been thoroughly studied. As a result, two larval retractors, the main and accessory larval retractor, had been described in the larva of Patella. These muscles were supposed to be responsible for the retraction of the larval body into the shell. Previously no larval extensors, which would be responsible for the extension of the larval body out of the shell, have been described. Using cell-lineage tracer injection and phalloidin staining of muscles, a newly-discovered muscle is herein identified in the larva of Patella coerulea. A functional model is presented in which two muscles are responsible for the extension of the larva, the newly-discovered muscle together with the... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Patella; Gastropoda; Mollusca; Development; Larva; Muscle; Antagonist; Cell-lineage. |
| Ano: 2002 |
URL: http://www.repository.naturalis.nl/record/534309 |
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| Lara,J.S.; L.Alves,E.G.; Oliveira,H.P.; Varón,J.A.C.; Rezende,C.M.F.. |
| ABSTRACT This study describes lesions that occur in the stifle joints of dogs with patellar luxation. These lesions are associated with the animal’s age, body weight, and degree of luxation. The rate of redislocation was also evaluated. The patellar lesions found include articular cartilage erosion, subchondral bone exposure, a flattened or concave patellar surface, and enthesophytes. Extra-patellar lesions included synovitis, osteophytes, blunting of the trochlear groove, an absent trochlea, erosion of the condylar margins, capsule thickening, a long digital extensor tendon injury, cranial cruciate ligament rupture, and meniscal prolapse. Such lesions were frequently found in animals with Grade II or III luxation who were aged 24 months or more, and they... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dog; Luxation; Patella; Lesions; Joint. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000100093 |
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