. Journal of anatomy . In tlie meantime, the formation of the transverse cavity having taken. Fig. 19.—Diagrams to show the ventral (V) and dorsal (D) channels left when the central part ofthe 5th arch mass (M) occludes the remainder of the original sagittal cavitj. The later stagesare opening up from below, owing to the formation of the cricoid. The transverse cavit}* opens, from its earliest stage, into the front end of the ventral channel. place, this receives the front end of the ventral channel into its downward-directed apex, at the angle formed between the two parts at their junction. I
. Journal of anatomy . In tlie meantime, the formation of the transverse cavity having taken. Fig. 19.—Diagrams to show the ventral (V) and dorsal (D) channels left when the central part ofthe 5th arch mass (M) occludes the remainder of the original sagittal cavitj. The later stagesare opening up from below, owing to the formation of the cricoid. The transverse cavit}* opens, from its earliest stage, into the front end of the ventral channel. place, this receives the front end of the ventral channel into its downward-directed apex, at the angle formed between the two parts at their junction. In these later stages the channels maj be partly obliterated b} theincreasing size of the 5th arch mass, before this is resolved into itsultimate products. The general epithelial adhesion in the sagittal cleft begins its dis-appearance from below with the formation of the cricoid cartilage, andfrom above and in front with the settling down of the dorsal part ofthe 5th arch mass on the forming arytsenoid, and has practical!} gone bythe end of the second or beo-innino- of third month. In t
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectanatomy, bookyear1867
