Pulmonary consumption, pneumonia, and allied diseases of the lungs : their etiology, pathology and treatment, with a chapter on physical diagnosis . , betweenwhich are found lymphatic vessels and spaces. Another important investment of the bronchi is the outerfibrous or adventitious coat (g). It has already been shownthat the lower layer of the pleura sends fibrous bands downinto the lung to form the interlobar and interlobular septa,Now, on the other hand, the fibres of the bronchial adven-titious coat unite in as many as three and four differentplaces around the bronchus, with the fibrous ba
Pulmonary consumption, pneumonia, and allied diseases of the lungs : their etiology, pathology and treatment, with a chapter on physical diagnosis . , betweenwhich are found lymphatic vessels and spaces. Another important investment of the bronchi is the outerfibrous or adventitious coat (g). It has already been shownthat the lower layer of the pleura sends fibrous bands downinto the lung to form the interlobar and interlobular septa,Now, on the other hand, the fibres of the bronchial adven-titious coat unite in as many as three and four differentplaces around the bronchus, with the fibrous bands comingfrom the pleura and so place the bronchus in the same rela-tion to these bands as that which the hub of a wheel bearsto its spokes. The smallest bronchioles expand into infundibute, andthese are the chambers with which the surrounding alveolicommunicate in common. The alveolar wall consists (a)of a flat layer of epithelial cells; (b) elastic tissue and smallbundles of white, fibrous tissue; (c) an abundant supply ofcapillary blood-vessels derived from the pulmonary arteries^and (d) a system of plasmatic spaces, which on the one hand. !P, Pnetunogastric nerve*. SA, Spinal accessory nerve. H, Hypoglossal nerve. F, Facialnerve. S, Superior cervical gfutglion of thesympathetic. gr. Ganglion of the root of the , Ganglion of the trunk of the vagus. 1, Auricular branch of the vagus(Arnolds nerve). 2, Pharyngeal branch. 3, Convergence of nerves to formpharyngeal plexus. 4, Superior laryngeal , Internal branch of superior laryngeal , External branch of superiorlaryngeal 6 6, Cardiac branches of thevagas. 5, Inferior laryngeal nerve (recur-rent).5 Cardiac branch of inferior laryngeal nerve. 7, Convergence of branches of vagusto form cardiac plexuses. 8, Pulmonary branches. 9, (Esftphageal branches. 10, Gastric ^ Splenic , Hepatic Internal division of spinal ae> , External div
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