File:Hand-book of physiology (1892) (14578818539).jpg

Identifier: handbookofphysio00bake (find matches)
Title: Hand-book of physiology
Year: 1892 (1890s)
Authors: Baker, W. Morrant, (William Morrant), 1839-1896 Harris, Vincent Dormer Kirkes, William Senhouse, 1823-1864. Hand-book of physiology. 13th ed
Subjects: Physiology Human physiology
Publisher: London : John Murray
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
Fig. 510.—Diagram of part of digestive tract of a chick (4th day). The black line re-presents hypoblast, the outer shading raesoblast; I g, lung diverticulum with ex-panded end forming primary lung-vesicle; S t, stomach; I, two hepatic diverticula,with their terminations united by solid rows of hypoblast cells ; p, diverticulum ofthe pancreas with the vesicular diverticula coming from it. (G-otte.) conical hollow branches, which embrace the common venous stem(figs. 51 o, 511). The outer part of these cones involves the omphalo-mesenteric vein, which breaks up in its interior into a plexus of
Text Appearing After Image:
Fig. 511.—Rudiments of the liver on the intestine of a chick at the fifth day of incubation.1, heart; 2, intestine; 3, diverticulum of the intestine in which the liver (4) is deve-loped ; 5, part of the mucous layer of the germinal membrane. (Midler.) capillaries, ending in venous trunks for the conveyance of theblood to the heart. The inner portion of the cones consists of anumber of solid cylindrical masses of cells, derived probably fromthe hypoblast, which become gradually hollowed by the formation CH. xix.) RESPIRATORY & GENITO-URINARY APPARATUS. 843 of the hepatic ducts, and among which blood-vessels are rapidlydeveloped. The gland cells of the organs are derived from thehypoblast, the connective tissue and vessels without doubt fromthe mesoblast. The gall-bladder is developed as a diverticulumfrom the hepatic duct. The spleen, lymphatic, and thymusglands are developed from the mesoblast: the thyroid partly alsofrom the hypoblast, which grows into it as a diverticulum from

Note About Images