Title
Morphological characterization of the pancreas in newborns and foetuses of alpacas (Vicugna pacos) in the last third of gestation
Other title
Caracterización morfológica del páncreas en alpacas (Vicugna pacos) neonatas y en fetos del último tercio de gestación
Date Issued
01 January 2018
Access level
open access
Resource Type
journal article
Author(s)
Franck Casanova V.
Francisco Santos R.
Universidad Nacional Mayor de San Marcos
Universidad Nacional Mayor de San Marcos
Universidad Nacional Mayor de San Marcos
Universidad Nacional Mayor de San Marcos
Publisher(s)
Universidad Nacional Mayor de San Marcos
Abstract
The objective of this study was to identify and describe the macroscopic and microscopic characteristics of the anatomy of the pancreas of alpacas, both in the last third of the gestation and in the neonate (0-30 days). The study included three foetuses and 18 alpaca crias (0 days [3], 7 days [5], 15 days [5], and 30 days [5]). In the macroscopic analysis, the pancreas was observed in situ, including its ducts and its relationship with other organs, taking biometric measures (body length, height at withers, thoracic perimeter, and abdominal perimeter), as well as the weight of the individuals. Macroscopically, the pancreas is alike to that of adult alpacas. Microscopically, the pancreas presents a definite cellular cytoarchitecture, formed by tubular acinar of acidophilic cytoplasm, elongated of basal nuclei and irregular islets (in size and shape), as well as undifferentiated cell groups. This cytoarchitecture varies in the first week of age, where the conformation of acini and islets is irregular, presenting a high rate of cell division and a great number of precursor cells distributed throughout the field. The cellular activity diminishes with the age, being found in the animals of 30 days a cytoarchitecture quite alike to the one of the adult alpacas.
Start page
1087
End page
1100
Volume
29
Issue
4
Language
Spanish
OCDE Knowledge area
Biología
Subjects
Scopus EID
2-s2.0-85060688466
Source
Revista de Investigaciones Veterinarias del Peru
ISSN of the container
16823419
Sources of information:
Directorio de Producción Científica
Scopus