MORPHOLOGICAL FEATURES OF PULMONARY NEONATAL PIGLETS
Abstract
We studied the dynamics of morphometric parameters of lung in 1-20 day-old piglets. Morphometric parameters of lung asynchronously increase with age. We found that the lungs of newborn pigs characterized by significant incomplete struc-tures and the presence of areas of atelectasis in all fractions of the body. Bronchial structure depends on the degree of their differentiation. Alveolus has varying clear-ance while the terminal bronchioles possess nearly constant diameter. Absolute lung weight increases asynchronously with age of the animals, and the relative lung
weight tends to fall in the 15 - and 20 - day old piglets, due to the intense growth of their body weight.
Lungs, bronchi, alveoli, morphometric parameters, piglets.
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