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A case of tetrophthalmia with unilateral synophthalmia in an unborn fetus of blue shark Prionace glauca (Carcharhiniformes, Carcharhinidae)

Author
Pastén-Marambio, Víctor

Hevia-Hormazábal, Valentina

Acuña, Enzo

Vega, Alonso

Full text
https://revistas.uv.cl/index.php/rbmo/article/view/1251
10.22370/rbmo.2018.53.0.1251
Abstract
This study describes and classifies a case of multiple malformations in an unborn blue shark Prionace glauca fetus, which was extracted from a gravid female captured during a research campaign addressed to the biological study of sharks in northern and central Chile. The analyzed specimen shows tetrophthalmia with unilateral synophthalmia, anomaly characterized by the existence of 4 ocular globes, two of which are partially fused. In addition, the axial skeleton of the fetus shows thoracic lordosis and helical torsion in the abdominal-caudal portion. This is the first world report of tetrophthalmia with unilateral synophthalmia in chondrichthyans.
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Discipline
Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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