Respiratory system of the southern two-toed sloth (Choloepus didactylus): histological analysis and by scanning electron microscopy

• Grant number: 19/00540-1
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: April 01, 2019
• End date: December 31, 2019
• Field of knowledge: Agronomical Sciences - Veterinary Medicine
• Principal Investigator: Celina Almeida Furlanetto Mançanares
• Grantee: Cíntia Francieli do Prado
• Host Institution: Pró-Reitoria de Pesquisa e Extensão. Centro Universitário da Fundação de Ensino Octávio Bastos (UNIFEOB). Fundação de Ensino Octávio Bastos (FEOB). São João da Boa Vista , SP, Brazil

Abstract

The southern two-toed sloth (Choloepus didactylus) is a mammal with a restricted distribution to South America, belonging to the Xenarthras superorder, pilous order, Megalonychidae family, Choloepus genus. For the present study will be used 8 adults animals, 4 males and 4 females, who death by natural causes, from the Bosque Rodrigues Alves Botanical Garden, in Belém, Pará, donated under cryopreservation to the Animal Morphological Research Laboratory (LaPMA) of the Federal Rural University of Amazonia (UFRA) this project is authorized by SISBIO n° 23401. The respiratory system consists of: nose, nasopharynx, nasal cavities, trachea, larynx, bronchi, bronchioles, alveolar ducts, alveolar sacs and pulmonary alveoli. This research will be describe and analyse the macroscopic and microscopic anatomy of the Choloepus didactylus respiratory system.