. Kirkes' handbook of physiology . wr H to Fig. 41. Fig. 42. Fig. 41.—Mucous Connective Tissue from the Umbilical Cord, a. Cells; b, 42.—Part of a Section of a Lymphatic Gland, from which the Corpuscles have been forthe most part Removed, showing the Adenoid Reticulum. (Klein and Noble Smith.) Structure. It consists of cells, which in the jelly of the enamel organare stellate, embedded in a soft jelly-like intercellular substance which formsthe bulk of the tissue. Adenoid or Lymphoid Tissue. Distribution. This variety of tissuemakes up the stroma of the spleen and lymphatic glands
. Kirkes' handbook of physiology . wr H to Fig. 41. Fig. 42. Fig. 41.—Mucous Connective Tissue from the Umbilical Cord, a. Cells; b, 42.—Part of a Section of a Lymphatic Gland, from which the Corpuscles have been forthe most part Removed, showing the Adenoid Reticulum. (Klein and Noble Smith.) Structure. It consists of cells, which in the jelly of the enamel organare stellate, embedded in a soft jelly-like intercellular substance which formsthe bulk of the tissue. Adenoid or Lymphoid Tissue. Distribution. This variety of tissuemakes up the stroma of the spleen and lymphatic glands, and is found also. Fig. 43.—Portion of Submucous Tissue of Gravid Uterus of Sow. a, Branched cells, more orless spindle-shaped; b, bundles of connective tissue. (Klein.) in the thymus, in the tonsils, and in the follicular glands of the tongue; inPeyers patches, in the solitary glands of the intestines, and in the mucousmembranes generally. Structure. Adenoid or retiform tissue consists of a very delicate network of 3C> OEI/L DIFFERENTIATION AND THE ELEMENTARY TISSUES minute fibrils, figure 46. The network of fibrils is concealed by being coveredwith flattened connective-tissue corpuscles, which may be readily dissolvedin caustic potash, leaving the network bare. The network consists of whitefibers, the interstices of which are filled with lymph-corpuscles. The cement-substance of adenoid tissue is very fluid. Neuroglia. This form of connective tissue found in the nervous systemis described on page 77. Development of Fibrous Tissues. In the embryo the place of the fibroustissues is at first occupie
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