TY - JOUR
T1 - Caracterización morfológica del páncreas en alpacas (Vicugna pacos) neonatas y en fetos del último tercio de gestación
AU - Franck Casanova, V.
AU - Alexander Chávez, R.
AU - Miluska Navarrete, Z.
AU - Nieves Sandoval, C.
AU - Alberto Sato, S.
AU - Francisco Santos, R.
N1 - Publisher Copyright:
© 2018 Universidad Nacional Mayor de San Marcos. All Rights Reserved.
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2018
Y1 - 2018
N2 - 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.
AB - 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.
KW - Alpaca
KW - Fetus
KW - Morphology
KW - Newborn
KW - Pancreas
UR - http://www.scopus.com/inward/record.url?scp=85060688466&partnerID=8YFLogxK
U2 - 10.15381/rivep.v29i4.15178
DO - 10.15381/rivep.v29i4.15178
M3 - Artículo
AN - SCOPUS:85060688466
SN - 1682-3419
VL - 29
SP - 1087
EP - 1100
JO - Revista de Investigaciones Veterinarias del Peru
JF - Revista de Investigaciones Veterinarias del Peru
IS - 4
ER -