. Elementary anatomy and physiology : for colleges, academies, and other schools . and terminate in the Thoracic Duct. These at their com- mencement are about the same in anatomy with the radicles or small veins, and at this point act the part of absorbents. Soon after they have left the Intestines, sev- eral of them unite into one and pass through small bodies of about the size of peas, called the Mesenteric Glands. As they emerge from these glands, they are fewer in ftumber but larger in size, until they all unite into one tube called the Thoracic Duct, a little larger than a goose quill, at
. Elementary anatomy and physiology : for colleges, academies, and other schools . and terminate in the Thoracic Duct. These at their com- mencement are about the same in anatomy with the radicles or small veins, and at this point act the part of absorbents. Soon after they have left the Intestines, sev- eral of them unite into one and pass through small bodies of about the size of peas, called the Mesenteric Glands. As they emerge from these glands, they are fewer in ftumber but larger in size, until they all unite into one tube called the Thoracic Duct, a little larger than a goose quill, at about the point of the last Dorsal Vertebra. This vessel passes immedi- ately upwards, lying closely upon the Spinal Column, sometimes separating into two smaller tubes for a few inches, A View of the Course and Termination of the Thoracic Duct. 1, Arch of the Aorta. 2, Thoracic Aorta. 3, Abdominal Aorta. 4, Arteria Innominata. 5, Left Carotid. 6, Left Sub-Clavian. 7, Superior Cava. 8, The two Venae Innominatse. 9, The Internal Jugular and Sub-Clavian Vein at each side. 10, The Vena Azygos. 11, The Termina- tion of the Vena Hemi-Azygos in the Vena Azygos. 12, The Eeceptaculum Chyli: sev- eral Lymphatic Trunks are seen opening into it. 13, The Thoracic Duct dividing, op- posite the Middle Dorsal Vertebra, into two branches, which soon re-unite; the course of the Duct behind the Arch of the Aorta and Left Sub-Clavian Aorta is shown by a Dotted Line. 14, The Duct making its turn at the Root of the Neck and receiving sev- eral Lymphatic Trunks previous to terminating in the Posterior Angle of the Junction of the Internal JnguTar and Sub-Clavian Veins. 15, The Termination of the Trunk of the Lymphatics of the Upper Extremity. 308. Where do the Lacteals besrin, and where do they terminate ? What do they re- semble, and what do they pass through ? State the size of the Thoracic Duct, its course and termination.
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Keywords: ., bookcentury1800, bookd, booksubjectanatomy, booksubjectphysiology
