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      Revisión Anatómica de la Cavidad Oral, Glándulas Salivares y Esófago de dos Ejemplares de Pudú (Pudu puda) Translated title: Anatomical Review of the Oral Cavity, Salivary Glands and Esophagus of Two Specimens of Pudú (Pudu puda)

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          Abstract

          RESUMEN: El pudú (Pudu puda), pertenece al orden Artiodactyla y a la familia Cervidae, corresponde al segundo cérvido más pequeño del mundo y es endémico de Chile y Argentina. Son herbívoros que se alimentan de hojas jóvenes y brotes de algunos árboles, arbustos, hierbas, frutos y flores. Esta especie está catalogada en estado Vulnerable, por lo que se prohíbe su caza y captura, esto debido a que su población ha disminuido sustancialmente a causa de la pérdida y fragmentación de la vegetación nativa, los incendios forestales, ataques de perros asilvestrados y caza furtiva. Existe escasa información científica anatómica de esta especie, y más aún referente a su morfología digestiva, por lo que se requieren estudios que aporten información específica de este cérvido. Se utilizaron dos cadáveres de pudú hembras adultas, los cuales fueron donados por el Servicio Agrícola y Ganadero (SAG) de Talca, Región del Maule, Chile. Dentro de los resultados, podemos indicar que la cavidad oral, glándulas salivares y esófago se asemejan a otros rumiantes domésticos, como también existen semejanzas con el venado de campo, sin embargo, existen diferencias como la forma y desarrollo de la glándula parótida; el conducto parotídeo pasa ventral al músculo masetero y se abre en una papila a nivel del tercer premolar superior; la glándula mandibular se divide en tres lobos; la glándula sublingual solo posee porción polistomática, las glándulas bucales dorsales poseen un menor tamaño que las bucales ventrales, la glándula bucal ventral es alargada y de forma compacta y se observa la presencia de una redondeada glándula bucal intermedia, poseen 11 crestas palatinas por lado en el paladar duro y además la papila incisiva se encuentra rodeando al pulvino dental. Esta información es relevante y corresponde a un aporte al conocimiento específico de esta especie, la cual es endémica, vulnerable y protegida.

          Translated abstract

          SUMMARY: The pudu (Pudu puda), belongs to the Artiodactyla order and the Cervidae family, corresponding to the second smallest deer in the world and is endemic to Chile and Argentina. They are herbivores that feed on young leaves and shoots of certain trees, shrubs, herbs, fruits, and flowers. The status of is species is classified as Vulnerable; therefore, its hunting and capture is prohibited, this because its population has decreased substantially due to the loss and fragmentation of native vegetation, forest fires, attacks by feral dogs and poaching. There is little scientific anatomical information available on this species, and even more so regarding its digestive morphology, which is why studies are required to provide specific information on this deer. Two adult female pudu specimens were used, which were donated by the Agricultural and Livestock Service (SAG) of Talca, Maule Region, Chile. Among the results, we can indicate that the oral cavity, salivary glands and esophagus resemble other domestic ruminants; there are also similarities with the field deer, however, there are differences such as the shape and development of the parotid gland; the parotid duct passes ventral to the masseter muscle and opens into a papilla at the level of the upper third premolar; the mandibular gland is divided into three wolves; the sublingual gland only has a polystomatic portion, the dorsal buccal glands are smaller than the ventral buccal glands, the ventral buccal gland is elongated and compact and the presence of a rounded intermediate buccal gland is observed, it has 11 palatal ridges per side in the hard palate and also the incisive papilla is found surrounding the dental pulvino. This information is relevant and corresponds to a report on the specific knowledge of this species, which is endemic, vulnerable, and protected.

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          Most cited references14

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          The Role of Mammals in Creating and Modifying Seedshadows in Tropical Forests and Some Possible Consequences of Their Elimination

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            Evaluating mortality sources for the Vulnerable pudu Pudu puda in Chile: implications for the conservation of a threatened deer

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              Mamíferos de Chile

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                Author and article information

                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                2022
                : 40
                : 2
                : 436-441
                Affiliations
                [1] Santiago de Chile orgnameUniversidad Santo Tomás orgdiv1Facultad de Recursos Naturales y Medicina Veterinaria orgdiv2Escuela de Medicina Veterinaria Chile
                Article
                S0717-95022022000200436 S0717-9502(22)04000200436
                fde35b57-b82a-402e-aa4c-738499d4d56b

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 10 December 2021
                : 13 February 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 14, Pages: 6
                Product

                SciELO Chile

                Categories
                ARTÍCULOS

                Anatomía,Pudú,Esophagus,Salivary glands,Oral cavity,Anatomy,Pudu,Esófago,Glándulas salivares,Cavidad oral

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