Human physiology (Volume 2) . * DEVELOPMENT OF THE FCETUS. 469. which began to be observable in the preceding month, is now dis-tinct ; and slight, almost imperceptible, movements begin to mani-fest themselves. The length of the fcetus is, at the end of onehundred and twenty days, five or six inches ; the iveight four orfive ounces. During the fifth Fig. 270. month, the deve-lopment of everypart goes on; buta distinction ismanifest amongstthem. The mus-cular system iswell-marked, andthe movements ofthe foetus unequi-vocal. The headis still very large,compared with the /rest, of the body, />
Human physiology (Volume 2) . * DEVELOPMENT OF THE FCETUS. 469. which began to be observable in the preceding month, is now dis-tinct ; and slight, almost imperceptible, movements begin to mani-fest themselves. The length of the fcetus is, at the end of onehundred and twenty days, five or six inches ; the iveight four orfive ounces. During the fifth Fig. 270. month, the deve-lopment of everypart goes on; buta distinction ismanifest amongstthem. The mus-cular system iswell-marked, andthe movements ofthe foetus unequi-vocal. The headis still very large,compared with the /rest, of the body, />and is covered withsmall, silvery hairs. j|The eyelids are ||glued together. VLength, seven to ine inches; weightsix or eight the foetus be bornat the end of fivemonths, it may live for a few minutes. In the sixth month, the derma begins to be distinguished fromthe epidermis. The skin is delicate, smooth, and of a purplecolour; especially on the face, lips, ears, palms of the hands andsoles of the feet. It seems plaited, owing to the absence of fa
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectphysiology, bookyear1
