. The development of the chick; an introduction to embryology. Birds -- Embryology. ORGANS OF SPECIAL SENSE 273. Fig. 159. — Frontal section of the eye of an eight day chick. ant. ch., Anterior chamber of the eye. ch., Choroid coat, cil., CiHary processes. Corn., Cornea. 1. e. 1., Lower eyehd. n. m., Nictitating mem- brane, Olfactory sac. op. n., Optic nerve, o. s., Ora serrata. p., Pigment layer of the optic cup. post, ch., Posterior chamber of the eye. ret., Retina, Sclerotic coat. scl. C, Sclerotic cartilage, u. e. 1., Upper eyelid. thinner than in the ciliary region. The mesenc
. The development of the chick; an introduction to embryology. Birds -- Embryology. ORGANS OF SPECIAL SENSE 273. Fig. 159. — Frontal section of the eye of an eight day chick. ant. ch., Anterior chamber of the eye. ch., Choroid coat, cil., CiHary processes. Corn., Cornea. 1. e. 1., Lower eyehd. n. m., Nictitating mem- brane, Olfactory sac. op. n., Optic nerve, o. s., Ora serrata. p., Pigment layer of the optic cup. post, ch., Posterior chamber of the eye. ret., Retina, Sclerotic coat. scl. C, Sclerotic cartilage, u. e. 1., Upper eyelid. thinner than in the ciliary region. The mesenchyme overlying the iris early becomes condensed to form the stroma of the iris; the epithelia form the uvea of the developed iris (Fig. 159). The muscles of the iris (sphincter pupillse) are stated by. 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 Lillie, Frank Rattray, 1870-1947. New York, Holt
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