De retina observationes anatomico-pathologicae / auctore Bernh. Conr. Rud. Langenbeck.

  • Langenbeck, Bernhard von, 1810-1887.
Date:
1836
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Licence: Public Domain Mark

Credit: De retina observationes anatomico-pathologicae / auctore Bernh. Conr. Rud. Langenbeck. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    piominenti pauUum similem in inferiori retinae parle observavit HUSCHKE 6), Ex amphlbüs reptilibus, organo pectlni avium simili instructis, lissuram retinae per totam vitam retinere videntur: Lacerta agilis, Iguana, Chameleon, Monitor, alia 7); aliis provectiori aetate evanescit, f'etibus tarnen adest In fctibus mammalium CaruS 9), et in ipsis embryonibus huma- nis tenerrimis J. MUELLER ejusmodi fissuram in inferiori retinae parte se reperisse affirmant. Aetate autem paullo provectloribus fissura evanescit et Stria tantum pellucldior atque tenuior retinae superest ii). Talem striani, inferiorem retinae partem occupanteni egomet ipse in embryonibus porcinis ex quinta circiter gestationis hebdomade, nec non in fetibus bubulis saepius vidi. Sed Ossura haec in omnibus, quod modo demonstravlmus, ani- nialibus certo vitae fetalls spatio obvia, atque colobomatis tunicaruni bulbi (Iridis, Choroideae, Retinae) originem optime illustrans i), ad dubiam maculae centralis genesin aperiendam parum tantummo- do valet. Namque neminem fugiet fissuram, de qua hucusque locuti sumus, inferiorem et interiorem (nasum versus) retinae partem occupare et fi) OitEJi, Isis. 1825. Hft. X. p. 1107. V. 7) Wagner, Hdb. d. vergl. Anaiom. ^. 303. Annierkg. 8) J. MuELLER, in v. Ammon's Zeitschr. Bei. 1. Hft. 2. p. 234. — Em- Mv.RT, in Reil's Arch. f. Phys. Bd. 10. p. 84. 9) Carus, Zootomie. 1. c. in felinis nec non in bubulis fetibus reperit. 10) J. MUELI,ER, 1. c. p. 231. 11) ibid. p. 231. 1) V. AsiMoif, Zeitschr. f. 0. Dresd. 1830. Bd, 1. Hft. 1. V. p. 55-64. — J. MuET.LER, ibid. Hft. 2. XV. p. 230-237.