. Anatomy, descriptive and applied. Anatomy. Figs. 827 and 828 -Diagram to show the direction and arrangement of the radiating lines on the front and back of the fetal lens. Fig. 827. From the front. Fig. 828. From the back. Structure.—The lens consists of an outer, soft part, easily detached (siibstanfia cortical is), and a central, firm part (nucleus leniis) (Fig. ). Faint lines (radii lentis) radiate from the poles to the equator. In the adult there may be six or more of these lines, but in the fetus they are only three in number and diverge from each other at angles of 120 degrees (Fig
. Anatomy, descriptive and applied. Anatomy. Figs. 827 and 828 -Diagram to show the direction and arrangement of the radiating lines on the front and back of the fetal lens. Fig. 827. From the front. Fig. 828. From the back. Structure.—The lens consists of an outer, soft part, easily detached (siibstanfia cortical is), and a central, firm part (nucleus leniis) (Fig. ). Faint lines (radii lentis) radiate from the poles to the equator. In the adult there may be six or more of these lines, but in the fetus they are only three in number and diverge from each other at angles of 120 degrees (Figs. 827 and 828). On the anterior surface one line ascends vertically and the other two diverge downward and outward. On the posterior surface one ray descends vertically and the other two diverge upward. They correspond with the free edges of an equal number of septa composed of an amorphous sub- stance, which dip into the substance of the lens. When the lens has been hardened (as in alcohol), it is seen to consist of concentric layers, or laminae, each of which is interrupted at the septa. Each lamina is built up of a number of parallel, hexagonal lens fibres {fihrae lentis), the edges of which are serrated to fit similar serrations of adjacent lens fibres, while the ends of the fibres. 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 Gray, Henry, 1825-1861; Spitzka, Edward Anthony, 1876-1922. Philadelphia, New York, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1913
