Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/70194
Título: A study of the head during prenatal and perinatal development of two fetuses and one newborn striped dolphin (Stenella Coeruleoalba, Meyen 1833) using dissections, sectional anatomy, CT, and MRI: Anatomical and functional implications in cetaceans and terrestrial mammals
Autores/as: García de los Ríos y los Huertos, Álvaro
Arencibia Espinosa, Alberto 
Laguía, Marta Soler
Cano, Francisco Gil
Gomariz, Francisco Martínez
Fernández, Alfredo López
Zarzosa, Gregorio Ramírez
Clasificación UNESCO: 3105 Peces y fauna silvestre
310907 Patología
Palabras clave: Fetal Development
Head Anatomy
Mri
Ontogenesis
Pet/Spect/Ct, et al.
Fecha de publicación: 2019
Publicación seriada: Animals 
Resumen: Our objective was to analyze the main anatomical structures of the dolphin head during its developmental stages. Most dolphin studies use only one fetal specimen due to the difficulty in obtaining these materials. Magnetic resonance imaging (MRI) and computed tomography (CT) of two fetuses (younger and older) and a perinatal specimen cadaver of striped dolphins were scanned. Only the older fetus was frozen and then was transversely cross-sectioned. In addition, gross dissections of the head were made on a perinatal and an adult specimen. In the oral cavity, only the mandible and maxilla teeth have started to erupt, while the most rostral teeth have not yet erupted. No salivary glands and masseter muscle were observed. The melon was well identified in CT/MRI images at early stages of development. CT and MRI images allowed observation of the maxillary sinus. The orbit and eyeball were analyzed and the absence of infraorbital rim together with the temporal process of the zygomatic bone holding periorbit were described. An enlarged auditory tube was identified using anatomical sections, CT, and MRI. We also compare the dolphin head anatomy with some mammals, trying to underline the anatomical and physiological changes and explain them from an ontogenic point of view.
URI: http://hdl.handle.net/10553/70194
ISSN: 2076-2615
DOI: 10.3390/ani9121139
Fuente: Animals [ 2076-2615], v. 9 (12), p. 1139
Colección:Artículos
miniatura
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