. The American journal of anatomy. :.-^^^ ^rV^^.X^^Ug^ ,t^^4J a o CD a- II X ^ 9G The Development of the Lungs ing end buds (Fig. 27 i) which now have an extremely complicated con-tour and show widely dilated lumina. As they begin to pack togetherin the lobule, the connective tissue is compressed between them, and itsnuclei in consecjuence appear more numerous. From the low cubical. Text Fig. Fig. 28. Section of a lobule of the lung of an embryo pig 27 Same preparation as used with the tissue shown in Fig. 21, except thatthe lung was distended with the fixing fluid. X 130. Z&g
. The American journal of anatomy. :.-^^^ ^rV^^.X^^Ug^ ,t^^4J a o CD a- II X ^ 9G The Development of the Lungs ing end buds (Fig. 27 i) which now have an extremely complicated con-tour and show widely dilated lumina. As they begin to pack togetherin the lobule, the connective tissue is compressed between them, and itsnuclei in consecjuence appear more numerous. From the low cubical. Text Fig. Fig. 28. Section of a lobule of the lung of an embryo pig 27 Same preparation as used with the tissue shown in Fig. 21, except thatthe lung was distended with the fixing fluid. X 130. Z> = bronchiolus. br^bronchiolus respiratorius. i = ductulus alveolaris. « = atria. /^lym-phatics. epithelium of the smaller bronchi (Fig. 27 h) the transition is easy tofollow over into the irregular flattened epithelium that now lines theyoung respiratory lobules. The nuclei are pressed against the sides of Joseph Marshall Flint 97 the lobules and the relatively slight amount of clear cytoplasm extendsbetween them. The Bronchioli respiratorii (Fig. 27 hr) are now readilyrecognized leading off from the bronchioli (Fig. 27 h). They open intothe dilated Ductuli alveolares (Fig. 27 i) from which the primitive Atriamay be seen as lateral outgrowths. Shortly before birth, in a pig 27 cm, long (Fig. 28), the frameworkof the lung at the root, between the lobules and under the ple
Size: 1570px × 1591px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901
