Reptilian Lungs is popular PDF and ePub book, written by Steven F. Perry in 2013-11-11, it is a fantastic choice for those who relish reading online the Medical genre. Let's immerse ourselves in this engaging Medical book by exploring the summary and details provided below. Remember, Reptilian Lungs can be Read Online from any device for your convenience.
Reptilian Lungs Book PDF Summary
This monograph has attempted to bring together morphological and physiological studies of reptilian lungs, to analyze the nature of the resulting correlations, and to risk some speculations regarding the evolution of reptilian lung structure. Central to this work is the morphometric evaluation of the lungs in two species of lizard: "the teju (Tupinambis nigropunctatus Spix) and the savanna monitor (Varanus exanthema ticus [Bosc]) which is presented here for the first time. These two species are similar in body form, and both are diurnally active predators, but their lungs are of basic ally different structural types. The teju possesses relatively small, single-chambered (unicameral) lungs in which the homeycomb-like (faveolar) parenchyma is more or less evenly distributed along their length. In the monitor the lungs are large and many-chambered (multicameral), the individual chambers connecting to an unbranched, intrapulmonary bronchus. The parenchyma is in the form of shallow cubicles (ediculae), which are elaborated on the intercameral septa. The parenchyma is heterogeneously distributed within the lungs, tending to be most concentrated near the intrapulmonary bronchus and the middle third of the lung length. The ventral and caudal portions of these lungs are thin-walled and highly flexible. In both species those portions of the lungs which are most exposed to air convection possess dense capillary nets which almost completely cover both sides of the parenchymal partitions. In more distal regions of the parenchy ma or of the lung, the intercapillary spaces become larger, creating a pseudo-single capillary net.
Detail Book of Reptilian Lungs PDF
- Author : Steven F. Perry
- Release : 11 November 2013
- Publisher : Springer Science & Business Media
- ISBN : 9783642689642
- Genre : Medical
- Total Page : 90 pages
- Language : English
- PDF File Size : 16,9 Mb
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