Human physiology : designed for colleges and the higher classes in schools and for general reading . y form someidea of the size of these cells in muscles, Iwill state that in the space of the squareof a tenth part of an inch, thus, there are over 100,000 of these cells. Q When FIG. 65. muscular fibril; a relaxed ; b contracted. CELL-LIFE. 131 Hoofs, horns, nails, and teeth made hy cells. a large muscle contracts what an innumerable multitude ofthese cells are set in action ! 204. There are cells whose office it is to make certain soliddeposits. Hoofs, horns, nails, and teeth are made in this
Human physiology : designed for colleges and the higher classes in schools and for general reading . y form someidea of the size of these cells in muscles, Iwill state that in the space of the squareof a tenth part of an inch, thus, there are over 100,000 of these cells. Q When FIG. 65. muscular fibril; a relaxed ; b contracted. CELL-LIFE. 131 Hoofs, horns, nails, and teeth made hy cells. a large muscle contracts what an innumerable multitude ofthese cells are set in action ! 204. There are cells whose office it is to make certain soliddeposits. Hoofs, horns, nails, and teeth are made in this the hard enamel of the teeth is constructed by deposit it in the form of prisms of hexagonal shape asseen in Fig. 66, which represents a vertical section of enamelas seen under the microscope. Their shape is more plainly seenin A, Fig. 67, which represents a transverse section of line of these prisms is generally wavy, but they are for themost part parallel to each other. At B are some of these prismsseparated. They are more magnified here than in Fig. 66. FIG. VERTICAL SECTION OF 67.
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Keywords: ., bookauthorhookerwo, bookcentury1800, bookdecade1850, bookyear1854
