. The biology of the frog. Frogs. THE SENSE ORGANS 327 above, the chorouf, and the retina. The choroid is a vas- cular, pigmented layer lying next to the sclerotic. Next Cam. anter. Cam. post. ^/ Cornea Corp. cil. Ora optica. Betina Chorioidea ^clerae Fig. 89. — Section through the optical axis of the eye of the frog. Cam. anter, outer chamber containing the aqueous humor; , inner chamber containing the vitreous body ; , ciliary body; , vitreous body; and P. ^irosa Sc/ercs, \agmous and fibrous layers of the sclerotic coat; , zonula ciliar
. The biology of the frog. Frogs. THE SENSE ORGANS 327 above, the chorouf, and the retina. The choroid is a vas- cular, pigmented layer lying next to the sclerotic. Next Cam. anter. Cam. post. ^/ Cornea Corp. cil. Ora optica. Betina Chorioidea ^clerae Fig. 89. — Section through the optical axis of the eye of the frog. Cam. anter, outer chamber containing the aqueous humor; , inner chamber containing the vitreous body ; , ciliary body; , vitreous body; and P. ^irosa Sc/ercs, \agmous and fibrous layers of the sclerotic coat; , zonula ciliaris. (From Gaupp, after G. Retzius.) .^ within the choroid lies the retina which is continued ante- riorly over the posterior surface of the iris as far as the pupil. It is composed of two principal layers, an outer thin layer of pigmented cells, and an inner much thicker layer which forms the sensitive portion of the retina. Over the ciliary body and posterior side of the iris the retina is much thinner than it is elsewhere and does not contain nervous 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 Holmes, Samuel J. (Samuel Jackson), 1868-1964. New York Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfrogs, bookyear1916
