. Anatomy, descriptive and applied. Anatomy. 1446 THE DUCTLESS GLANDS are newly formed red blood cells that have as yet not lost their nuclei. The disintegrating red cells are useless cells that by their disintegration contribute the coloring matters to the bile. The branched cells are large, flattened, stellate elements, the processes of which seem to anas- tomose to assist in forming the reticular substance, and also seem to connect with the endo- thelial cells of the capillaries. The splenic cells are large polynuclear elements possessing the power of ameboid movements. They often contain p
. Anatomy, descriptive and applied. Anatomy. 1446 THE DUCTLESS GLANDS are newly formed red blood cells that have as yet not lost their nuclei. The disintegrating red cells are useless cells that by their disintegration contribute the coloring matters to the bile. The branched cells are large, flattened, stellate elements, the processes of which seem to anas- tomose to assist in forming the reticular substance, and also seem to connect with the endo- thelial cells of the capillaries. The splenic cells are large polynuclear elements possessing the power of ameboid movements. They often contain pigment granules and red cells in their protoplasm, thus indicating phagocyiosin. The trabeculse are continuations of the capsule, and consist of white iibrous connective tissue and smooth muscle tissue. The splenic (Malpighian) corpuscles are dense, spherical or cylindrical collections of lym- phoid tissue (solitary nodules) surrouiiding an arteriole. Each corpuscle shows a lighter genninal centre and a darker peripheral zone where the leukocytes are more numerous and more closely packed. Each corpuscle usually exhibits an excentrically placed arteriole, as the lymphoid tissue is collected in the adventitial sheath of the vessel. These bodies are visible to the naked eye, and appear as whitish dots. Bloodvessels of the Spleen.'—The splenic artery enters the hilum and divides into branches that follow the trabeculse. Of these, some quickly pass to the pulp, while others follow the trabecule to their smallest divisions. The external coats of these arterioles, at first consisting of ordinary connective tissue, undergo a transformation, becoming much thickened and converted into lymphoid tissue. The spleen is divided into circulatory lobules about 1 mm. in diameter, each of which is divided into histological units, one for each terminal vessel, or ampulla. These terminal vessels are large endothelial channels surrounded by lymphoid tissue, called the ellip- soidal sheath. These t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1913
