. The comparative anatomy of the domesticated animals. Veterinary anatomy. SEOriUN OF A LYMPHATIC GLAND. O, a, The fibrous tissue that forms its exterior; 6, 6, superficial vasa inferentia; c, c, larger alveoli, near the surface ^ d, d, smaller alveoli of the interior, e, e, fibrous walls of the SIMPLE LYMPHATIC GLAND. , The capsule with sections of lym- phatics, d, d, passing through it; 6, lacunar and intercommunicating passages, permeated by the lymph, and forming the superficial lymph- path of Frey; c, nucleus, or me- dullary portion, with section of blood-vessel in the centre. a
. The comparative anatomy of the domesticated animals. Veterinary anatomy. SEOriUN OF A LYMPHATIC GLAND. O, a, The fibrous tissue that forms its exterior; 6, 6, superficial vasa inferentia; c, c, larger alveoli, near the surface ^ d, d, smaller alveoli of the interior, e, e, fibrous walls of the SIMPLE LYMPHATIC GLAND. , The capsule with sections of lym- phatics, d, d, passing through it; 6, lacunar and intercommunicating passages, permeated by the lymph, and forming the superficial lymph- path of Frey; c, nucleus, or me- dullary portion, with section of blood-vessel in the centre. are collected in groups along the blood-vessels. They are always larger in youth than in old age. All the vessels of the lymphatic system are provided with at least one gland on their course, and some even pass through two or three before opening into the thoracic duct or great lymphatic trunk. On reaching these glands, they plunge into their substance by ramifications, appearing on the opposite point after being reconstituted into several principal canals, which are generally larger and less numerous than the original vessels. The latter take the name of afferents {vasa inferentia or afferentia) ; the others are named efferents {vasa vfferentia), because they leave the gland to reach the central canal. Structure.—The structure of the glands is extremely complex. They have an envelope of connective tissue (continuous with the tunics of the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chauveau, A. (Auguste), 1827-1917; Arloing, S. (Saturnin), 1846-1911; Fleming, George, 1833-1901. New York, D. Appleton
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