|
|||||
|
|
General descriptions of the dermis structure of a juvenile whale shark Rhincodon typus from the Gulf of California |
|
| Authors: | Edgar E. Becerril-García Francesca Pancaldi Ariel A. Cruz-Villacorta Alma R. Rivera-Camacho Carlos A. Aguilar-Cruz Darren A. Whitehead Rogelio González-Armas Marcial Arellano-Martínez Felipe Galván-Magaña |
| Affiliation: | 1. Centro Interdisciplinario de Ciencias Marinas, Instituto Politécnico Nacional, La Paz, Mexico Pelagios Kakunjá A.C, La Paz, Mexico;2. Centro Interdisciplinario de Ciencias Marinas, Instituto Politécnico Nacional, La Paz, Mexico;3. Centro de Investigaciones Biológicas del Noroeste S.C, La Paz, Mexico;4. Departamento Académico de Ciencias Marinas y Costeras, Universidad Autónoma de Baja California Sur, La Paz, Mexico |
| Abstract: | The aim of this study is to provide preliminary observations on the microanatomy of Rhincodon typus skin using histology and electron microscopy analyses. Skin biopsies were obtained from a deceased juvenile male shark (548 cm total length) stranded in La Paz, Mexico, during February 2018. The results of this study evidenced the basic structure of the dermal denticles in the epidermis of the trunk of the shark, as well as the composition of the connective tissue in the hypodermis. Histological images of the hypodermis showed a high concentration of collagen fibres, formed by a large number of fine and wavy fibres of compact shape and little intercellular substance. |
| Keywords: | dermal denticles electron microscopy histology Rhincodon typus threatened species |