File:Hand-book of physiology (1892) (14762029191).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

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art as viewed from the front. It is a thinwalled cavity of more or less quadrilateral shape, prolonged at onecorner into a tongue-shaped portion, the right auricular appendix,which slightly overlaps the exit of the great artery, the aorta,from the heart. The interior is smooth, being lined with the general lining ofthe heart, the endocardium, and into it open the superior andinferior vense cavse, or great veins, which convey the blood fromall parts of the body to the heart. The former is directed down-wards and forwards, the latter upwards and inwards ; between theentrances of these vessels is a slight tubercle called tubercle ofLower. The opening of the inferior cava is protected and partlycovered by a membrane called the Eustachian valve. In the CH. VI.) THE CHAMBERS OF THE HEART. 173 posterior wall of the auricle is a slight depression called the fossaovalis,which, corresponds to an opening between the right and leftauricles which exists in foetal life. The right auricular appendix
Text Appearing After Image:
Fig. 147.—The right auricle and ventricle opened, and a part of their right and anteriorwalls removed, so as to show their interior. \.—1, superior vena cava; 2, inferiorvena cava ; 2, hepatic veins cut short; 3, right auricle ; 3, placed in the fossa ovalis,below which is the Eustachian valve; 3, is placed close to the aperture of the coronaryvein ; +, +, placed in the auriculo-ventricular groove, where a narrow portion of theadjacent walls of the auricle and ventricle has been preserved ; 4, 4, cavity of the rightventricle, the upper figure is immediately below the semilunar valves ; 4, large columnacarnea or musculus papillaris; 5, 5, 5, tricuspid valve; 6, placed in the interior ofthe pulmonary artery, a part of the anterior wall of that vessel having been removed,and a narrow portion of it preserved at its commencement, where the semilunar valvesare attached; 7, concavity of the aortic arch close to the cord of the ductus arteriosus;8, ascending part or sinus of the arch cove

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