. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHORIO-ALLAXTOIC GRAFTS. 3OI are surrounded by mesenchyme only, as in the control. The parts within the cartilaginous capsule show a high degree of differentiation also. In the region of the vascular foramen refer- red to above, the epithelium has the characteristics of the normal utrirulu- of the ei.^ht day chick embryo. This determination i- further confirmed by the appearance in the epithelium of three thickened which represent the cristae acusticae of theampul- lae of • raicircular canals. No ganglion cells ai ociated wi
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHORIO-ALLAXTOIC GRAFTS. 3OI are surrounded by mesenchyme only, as in the control. The parts within the cartilaginous capsule show a high degree of differentiation also. In the region of the vascular foramen refer- red to above, the epithelium has the characteristics of the normal utrirulu- of the ei.^ht day chick embryo. This determination i- further confirmed by the appearance in the epithelium of three thickened which represent the cristae acusticae of theampul- lae of • raicircular canals. No ganglion cells ai ociated with thi in the controls. There are no canals or ampulla- forim-d though at a point by one of the cristae I ig. 7. ~< •; C-^: '. I ic vesicle of forty-*-:. lit days growth. 32 AS- (X 23; /•' I. :ng beginning of Cart '.la^c •i. .i|i-i:N. M .chyme containing M I v- .'u-liiim. Compare Fig. s there is a slight evagination which suj the inning i-l" -in h i"rmation. It is very limited in extent, appearing for only a l\-\v sections. Thn 'ii^h the -paci- formed by tin- second break in the cartilage, the 1 C liiu-d b\- utricular epithelium i- ronm. led to the derivatives men- tioned abo\e. A few -ertions be\'ond this the wall of the sac -li«>w> a differentiation into ., -tratilied -arcultis-like an<l a thinner utricular epithelium. The ductus cochleari- and the lagena which normally ari-e from the sacculus are absent in the craft. It may \ery well be the presence of the cartilage sheath has arted a- a mechanical obstruction to their 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947;
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
