The development of the human body; a manual of human embryology . Fig. 241.—Reconstructions of the Otocysts of Embryos of (A) MM- and (D) , Endolymphatic duct; gc, ganglion cochleare; gg, ganglion genicula- tum; gv, ganglion vestibulare; sc, horizontal semicircular canal.— (His, Jr.) they increase in size the opposite walls of the central por-tion of each fold come together, fuse, and finally becomeabsorbed, leaving the free edge of the fold as a crescenticcanal, at one end of which an enlargement appears toform the ampulla. The transformation of the folds intocanals takes place
The development of the human body; a manual of human embryology . Fig. 241.—Reconstructions of the Otocysts of Embryos of (A) MM- and (D) , Endolymphatic duct; gc, ganglion cochleare; gg, ganglion genicula- tum; gv, ganglion vestibulare; sc, horizontal semicircular canal.— (His, Jr.) they increase in size the opposite walls of the central por-tion of each fold come together, fuse, and finally becomeabsorbed, leaving the free edge of the fold as a crescenticcanal, at one end of which an enlargement appears toform the ampulla. The transformation of the folds intocanals takes place somewhat earlier in the cases of the two 462 THE DEVELOPMENT OF THE HUMAN BODY. vertical than in that of the horizontal canal, as may beseen from Fig. 242, which represents the condition oc-curring in an embryo of mm. A short distance below the level at which the canals communicate with the re-maining portion of the oto-cyst a constriction appears,indicating a separation of theotocyst into a more dorsalportion, which becomes theutriculus, and a more ve
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902
