Development of the vertebral column and caudal complex in a flyingfish,Parexocoetus mento mento (Teleostei: Exocoetidae)

1998 ◽  
Vol 45 (3) ◽  
pp. 303-308 ◽  
Author(s):  
Juanito C. Dasilao ◽  
Kosaku Yamaoka
Keyword(s):  
Vertebral Column ◽  
Caudal Complex

scholarly journals Desarrollo osteológico de la columna vertebral y del complejo caudal de larvas de Lutjanus guttatus (Perciformes: Lutjanidae) en condiciones de cultivo

2015 ◽  
Vol 63 (1) ◽  
pp. 155
Author(s):  
Luz Estela Rodríguez-Ibarra
Keyword(s):  
Vertebral Column ◽  
Bone Structure ◽  
Axial Skeleton ◽  
Laboratory Culture ◽  
Culture Conditions ◽  
Feeding Rates ◽  
Alizarin Red ◽  
Caudal Region ◽  
Abdominal Region ◽  
Caudal Complex

<p>The spotted rose snapper (<em>Lutjanus guttatus</em>) is an important commercial species in Mexico with good culture potential. The osteological study at early stages in this species is an important tool to confirm normal bone structure and for the detection of malformations that may occur during early development. This study was carried out in order to evaluate and describe the normal osteological development of the vertebral column and caudal complex of this species grown under controlled conditions. For this, a total of 540 larvae of <em>L. guttatus</em>, between 2.1 and 17.5mm of total length (TL), were cultured during 36 days; culture conditions were 28ºC, 5.74mg/L oxygen and 32.2ups salinity with standard feeding rates. To detect growth changes, a sample of 15 organisms was daily taken from day one until day 36 of post-hatch (DPH). Samples were processed following standard techniques of clearing, and cartilage (alcian blue) and bone staining (alizarin red). Results showed that the vertebral column is composed of nine vertebrae in the abdominal region, and 14 vertebrae including the urostyle in the caudal region. The development of the axial skeleton starts with the neural arches and haemal arches at 3.8mm TL. Caudal elements such as the hypurals and parahypural began to develop at 4.1mm TL. Pre-flexion and flexion of the notochord and the formation of all hypurals were observed between 5.3 and 5.8mm TL. Ossification of the vertebrae in the abdominal region and in some neural arches initiated at 9.5mm TL. In the caudal region, all the neural and haemal arches ossified at 10.2mm TL. All the abdominal vertebrae and their respective neural arches and parapophyses ossified at 11.2mm TL, while the elements of the caudal complex that ossified were the hypurals, parahypurals and modified haemal spines. All caudal fin rays, 12 neural spines and 3 haemal arches were ossified by 15.5mm. The complete ossification process of this specie under laboratory culture conditions was observed when larvae reached 17.3mm TL on 36 DPH. Detailed analysis of the osteological structures will allow a reference description to evaluate and detect malformations that may occur during the larval culture of the spotted rose snapper.</p>

scholarly journals Desarrollo osteológico de la columna vertebral, complejo caudal y aletas medias del botete diana Sphoeroides annulatus (Tetraodontiformes: Tetraodontidae)

2020 ◽  
Vol 54 (3) ◽  
pp. 324
Author(s):  
L. Estela Rodríguez-Ibarra ◽  
María Isabel Abdo-de la Parra ◽  
Leonardo Ibarra-Castro ◽  
Juan Manuel Martínez-Brown ◽  
Gabriela Velasco-Blanco ◽  
...  
Keyword(s):  
Vertebral Column ◽  
Osteological Development ◽  
Puffer Fish ◽  
Median Fins ◽  
And Cartilage ◽  
Bullseye Puffer ◽  
Caudal Complex

Osteological development of the vertebral column, caudal complex and median fins in larvae of the bullseye puffer fish, Sphoeroides annulatus, were studied using specimens cleared and double stained for bone and cartilage. The first cartilaginous structures appeared 10 days (4.2 mm NL) after hatching and by day 28 (14.9 mm TL) most of the bone elements had already formed. Sphoeroides annulatus exhibited fusion of bone elements, the same as other Tetradontiformes, one of the most evolved teleosts.

Posterior Vertebral Column Resection For Severe Spinal Deformities

Spine ◽  
2002 ◽  
Vol 27 (21) ◽  
pp. 2374-2382 ◽  
Author(s):  
Se-Il Suk ◽  
Jin-Hyok Kim ◽  
Won-Joong Kim ◽  
Sang-Min Lee ◽  
Ewy-Ryong Chung ◽  
...  
Keyword(s):  
Vertebral Column ◽  
Spinal Deformities ◽  
Vertebral Column Resection ◽  
Posterior Vertebral Column Resection ◽  
Severe Spinal Deformities

Kinesiology of the thoracic vertebral column

2020 ◽  
pp. 315-323
Author(s):  
Ömer Akçali ◽  
Ismail Safa Satoglu ◽  
Mehmet Alphan Çakiroğlu
Keyword(s):  
Vertebral Column

Vertebral fractures and luxations in dogs and cats part 2: treatment and surgery options

2021 ◽  
Vol 26 (3) ◽  
pp. 15-19
Author(s):  
Ivona Orgonikova ◽  
Josep Brocal ◽  
Giunio Bruto Cherubini ◽  
Viktor Palus
Keyword(s):  
Spinal Cord ◽  
Vertebral Fractures ◽  
Vertebral Column ◽  
Compartment Model ◽  
Spinal Instability ◽  
Decompression Surgery ◽  
Implant Loosening ◽  
Bone Fragment ◽  
Three Compartment Model ◽  
Disc Extrusion

Assessing the presence of vertebral column instability is essential in animals with vertebral fractures or luxations. Spinal instability is most commonly assessed using a three-compartment model and unstable vertebral fractures and luxations require surgical stabilisation. In cases of compression of the spinal cord (by haematoma, traumatic intervertebral disc extrusion or bone fragment), decompression surgery is necessary. Prompt surgery prevents additional spinal cord damage, but the overall condition of the patient, including any concurrent injuries, needs to be continually kept in mind. The vertebral column can be stabilised using multiple techniques, such as screws, pins, polymethylmetacrylate and plating techniques, as well as external stabilisation and spinal stapling. Complications of spinal surgeries include haemorrhage, infection, neurological deterioration, particularly in cases of spinal stabilisations, implant loosening and failure.

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