The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)

SUMMARY: The Bactrian camel, which is native to China and Mongolia, is large in size and is an even-toed ungulate species. The double humps on the Bactrian camel back differentiate it from the dromedary camel, which has a single hump. This species has adapted to unsuitable conditions (lack of food a...

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Autores principales:	Du,Xiaohua, Liu,Xia, Mawolo,James Blackar
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2020
Materias:	Bactrian camel lung scanning electron microscope (SEM) alveolar capillary blood flow
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spelling	oai:scielo:S0717-950220200006017792020-10-30The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)Du,XiaohuaLiu,XiaMawolo,James Blackar Bactrian camel lung scanning electron microscope (SEM) alveolar capillary blood flow SUMMARY: The Bactrian camel, which is native to China and Mongolia, is large in size and is an even-toed ungulate species. The double humps on the Bactrian camel back differentiate it from the dromedary camel, which has a single hump. This species has adapted to unsuitable conditions (lack of food and water) in the Gobi Desert and is advanced in unique anatomical and physiological characteristics during a prolonged evolution period. Several studies have been conducted on the anatomical features of the Bactrian camel, but none have given attention to the alveolar capillaries of the Bactrian camel lung. Therefore, the current study aims to explore the architecture of the alveolar capillary in the Bactrian camel lung and further explain the mechanism of blood flow in its lung. The current study extracted and examined the architecture of the alveolar capillary in the lung of the Bactrian camel (Camelus bactrianus) and further explained the mechanism of blood flow by performing lung casting and replica scanning electron microscopy methods. The reports showed that the resources of the alveolar-capillary originated from the capillaries of the subpleural space or interlobular septulum, sometimes originating from the precapillary arterioles or directly from the terminal arterioles. The alveolar capillaries anastomosed and formed a single layer of dense, basket-like network surrounding the alveolus. The mash diameter of the alveolar-capillary network was larger than that of the capillary, and the appearance of the mash was oval and elliptical. Many of the collapsed alveolar-capillary networks were found in the alveolar microvascular architecture in the lung of the Bactrian camel. The study found that, due to many collapsed alveoli in the Bactrian camel lung, the disproportional pressure between the pulmonary alveoli induced less imbalance of blood flow in the alveolar capillary, which affected the gas exchange efficiency. Therefore, the function of the anastomosing capillary branch was likely to regulate the blood flow between the alveolar-capillary network.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.38 n.6 20202020-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022020000601779en10.4067/S0717-95022020000601779
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Bactrian camel lung scanning electron microscope (SEM) alveolar capillary blood flow
spellingShingle	Bactrian camel lung scanning electron microscope (SEM) alveolar capillary blood flow Du,Xiaohua Liu,Xia Mawolo,James Blackar The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
description	SUMMARY: The Bactrian camel, which is native to China and Mongolia, is large in size and is an even-toed ungulate species. The double humps on the Bactrian camel back differentiate it from the dromedary camel, which has a single hump. This species has adapted to unsuitable conditions (lack of food and water) in the Gobi Desert and is advanced in unique anatomical and physiological characteristics during a prolonged evolution period. Several studies have been conducted on the anatomical features of the Bactrian camel, but none have given attention to the alveolar capillaries of the Bactrian camel lung. Therefore, the current study aims to explore the architecture of the alveolar capillary in the Bactrian camel lung and further explain the mechanism of blood flow in its lung. The current study extracted and examined the architecture of the alveolar capillary in the lung of the Bactrian camel (Camelus bactrianus) and further explained the mechanism of blood flow by performing lung casting and replica scanning electron microscopy methods. The reports showed that the resources of the alveolar-capillary originated from the capillaries of the subpleural space or interlobular septulum, sometimes originating from the precapillary arterioles or directly from the terminal arterioles. The alveolar capillaries anastomosed and formed a single layer of dense, basket-like network surrounding the alveolus. The mash diameter of the alveolar-capillary network was larger than that of the capillary, and the appearance of the mash was oval and elliptical. Many of the collapsed alveolar-capillary networks were found in the alveolar microvascular architecture in the lung of the Bactrian camel. The study found that, due to many collapsed alveoli in the Bactrian camel lung, the disproportional pressure between the pulmonary alveoli induced less imbalance of blood flow in the alveolar capillary, which affected the gas exchange efficiency. Therefore, the function of the anastomosing capillary branch was likely to regulate the blood flow between the alveolar-capillary network.
author	Du,Xiaohua Liu,Xia Mawolo,James Blackar
author_facet	Du,Xiaohua Liu,Xia Mawolo,James Blackar
author_sort	Du,Xiaohua
title	The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
title_short	The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
title_full	The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
title_fullStr	The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
title_full_unstemmed	The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)
title_sort	architecture of alveolar capillaries in the lungs of bactrian camels (camelus bactrianus)
publisher	Sociedad Chilena de Anatomía
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022020000601779
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The Architecture of Alveolar Capillaries in the Lungs of Bactrian Camels (Camelus bactrianus)

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