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| Guimarães,Thatiana Bastos; Ferreira,Mariana Brandão; Wakamatsu,Alda; Oliveira,Stanley Reis; Guimarães,Antonio Sergio; Suazo Galdames,Iván; Marie,Suely Nagahashi. |
| The jaw muscles are essential components in the stomatognatic system. Their complex architecture allows them to execute several motor tasks. One of the structural peculiarities is the presence of hybrid and neonatal fibers.We studied the differences of the fiber-type in masseter and temporalis muscles along the first to nineth decades in both genders. Seventy-four (74) samples were analyzed by immunohistochemistry. Slow and fast muscle fibers distribution was similar in both muscles in both genders. Hybrid fiber was observed in all decades, and its frequency decreased significantly (p<0.001) with aging in masseter. Neonatal myosin expression was observed in all decades, its expression was more frequent in masseter (p=0.01), and males in temporalis... |
| Tipo: Journal article |
Palavras-chave: Masseter; Temporalis; Muscle fiber type; Capillary density; Bite force. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200064 |
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| Sukon,Peerapol; Timm,Karen I; Valentine,Beth A. |
| This study describes gross, microscopic and muscle fiber anatomy of the esophagus of the llama, Lama glama. The esophagus was studied grossly in twenty-five adult llamas and a subset of ten with normal esophageal physiology was used for the microanatomic studies. Esophageal length was 122 ± 7 cm with two-thirds of the length in the neck and the remainder in the thorax, consistent with the long neck of the llama. Esophageal diameter increased steadily from 2.5 ± 0.3 cm in the cranial cervical region to 3.9 ± 0.8 cm in the caudal thoracic region. The mucosal epithelium was keratinized stratified squamous and there were abundant submucosal glands throughout the esophagus. The entire muscularis of the esophagus was striated muscle in two general layers but... |
| Tipo: Journal article |
Palavras-chave: Llama; Esophagus; Gross anatomy; Microscopic anatomy; Muscle fiber type. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300028 |
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| Gallo,Sarita Bonagurio; Siqueira,Edson Ramos de; Delgado,Eduardo Francisquine; Silva,Maeli Dal Pai; Rosa,Gilberto Teixeira da. |
| The study verified the influence of different nutritional levels of the dams, before parturition, the weaning age of the lambs and the finishing system on lamb muscle fiber morphology and meat quality. Ile-de-France × Bergamacia crossbred dams grazing on natural grassland were divided into two groups: 1) nutritional supplement 30 days before the parturition (SUPL), and 2) no nutritional supplement (NS). These groups were further subdivided by weaning age of the lambs, which corresponded to either 45 or 60 days. The weaned lambs from each of the previous groups were also divided into different finishing systems: confined and fed a complete diet (CD), confined and fed hay (H) and kept on grassland (P). The lambs were slaughtered at 30 kg live weight (CD and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Muscle fiber type; Myofibrill; Morphology; PH; Temperature. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009001100020 |
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