File:Head of Rana temporaria showing the unpaired pineal eye.jpg
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[edit]DescriptionHead of Rana temporaria showing the unpaired pineal eye.jpg |
Identifier: morphologyevolut00tiln Title: The morphology and evolutional significance of the pineal body : being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence Year: 1919 (1910s) Authors: Tilney, Frederick, 1875-1938 Warren, Luther Fiske, 1885- Subjects: Pineal gland Publisher: Philadelphia : The Wistar Institute of Anatomy and Biology Contributing Library: MBLWHOI Library Digitizing Sponsor: MBLWHOI Library
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Text Appearing After Image: Fig. GO Head of Kana temporaria showing the unpaired pineal eye, situatedthe paired eyes, according to Stieda, 1865. fore, of the usual parts, namely, an end-vesicle, a stalk, and aproximal portion which is particularly conspicuous in amphibia,.The end-vesicle in so far as is known, is present in all formsexcept If i/l(i arborea, the absence in this form being noted bothby de( Iraat,1 and Leydig.-:is In shape, the end-vesicle is round.oval, or kidney-shaped. Stieda17 and dedraaf1 found it solid,containing a lumen only in Ijoinf>in<ilor. According to Stieda.its diameters ace from .12 to .1) mm. dedraaf found thesediameters in l\<in<t esculenta from .\2(\ to .14) mm., whileLessona-11 in the forms studied by him found that t lie diameterwas less than 1 mm. A number of observers, including Ostrou-moff2 (87); Lcydig^ (91) ; Galeotti140 (96), and Braem (US), THE PINEAL BODY 115 maintain that the frontal organ contains a cavity. Accordingto Leydig, this organ contains pigment in
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Source | Image from page 117 of "The morphology and evolutional significance of the pineal body : being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence" (1919) |
Author | Internet Archive Book Images |
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