Neue sinnesbiologische beobachtungen an spinnen

Meyer, Erich

doi:10.1007/bf00407629

Cited by 39 publications

(63 citation statements)

References 15 publications

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“…According to von Haller (1781), this crossing is either gradual or abrupt. The fact that the ophthalmic artery quite often crosses under the optic nerve has been noted by many workers (Mayer, 1777;Zinn, 1780;von Haller, 1781;Blandin, 1834;Theile, 1841;Sommerring, 1841;Arnold, 1847;Luschka, 1865;Zuckerkandl, 1876;Meyer, 1887;Quain, 1892;Adachi, 1928;Sudakevitch, 1947;Wolff, 1954;Hayreh, 1958;Hayreh and Dass, 1959;Singh and Dass, 1960). Table I (opposite) shows that the actual incidence of crossing under the optic nerve is very variously described by various authors.…”

Section: Sizementioning

confidence: 84%

“…No anastomoses were seen between the proximal and distal branches, because all were very small in size and all ran backwards rather than towards each other as described by Meyer (1887). Moreover, the collateral branches of the proximal branches were all situated on the inferior surface, while most of the distal branches were on the superior surface and very few on the inferior surface.…”

Section: Sizementioning

confidence: 88%

“…In one specimen, however, the second part was bigger than the first part, but smaller than the trunk from the middle meningeal artery ( Discussion Course of the Ophthalmic Artery.-Having passed through the optic canal, the ophthalmic artery usually lies infero-lateral to the optic nerve until it crosses over or under the nerve to proceed in a medial direction. According to Meyer (1887), the artery in so doing makes a spiral turn, which may be more or less pronounced depending upon whether it enters the optic canal more medially or more laterally. This well-formed spiral was described as an anomaly by Zuckerkandl (1876).…”

Section: Sizementioning

confidence: 99%

“…None of the hypothetical solutions put forward by Meyer (1887) and Sudakevitch (1947) to explain abnormalities in the course of the ophthalmic artery (vide supra) seems to be satisfactory.…”

Section: Sizementioning

confidence: 99%

“…The formation of the abnormal trunk of the ophthalmic artery under the nerve from the anastomoses and from the mere atrophy of a segment of the normal ophthalmic artery, as explained by Meyer (1887) and Sudakevitch (1947), cannot be applied to the adult pattern of the artery for the following reasons:…”

Section: Sizementioning

confidence: 99%

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The Ophthalmic Artery: Ii. Intra-Orbital Course

Hayreh¹,

Dass²

1962

British Journal of Ophthalmology

125

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MaterialTHIS study was carried out in 61 human orbits obtained from 38 dissectionroom cadavers. In 23 cadavers both the orbits were examined, and in the remaining fifteen only one side was studied. With the exception of three cadavers of children aged 4, 11, and 12 years, the specimens were from old persons.Method Neoprene latex was injected in situ, either through the internal carotid artery or through the most proximal part of the ophthalmic artery, after opening the skull and removing the brain. The artery was first irrigated with water. After injection the part was covered with cotton wool soaked in 10 per cent. formalin for from 24 to 48 hours to coagulate the latex. The roof of the orbit was then opened and the ophthalmic artery was carefully studied within the orbit. Observations COURSEFor descriptive purposes the intra-orbital course of the ophthalmic artery has been divided into three parts (Singh and Dass, 1960).(1) The first part extends from the point of entrance of the ophthalmic artery into the orbit to the point where the artery bends to become the second part. This part usually runs along the infero-lateral aspect of the optic nerve.(2) The second part crosses over or under the optic nerve running in a medial direction from the infero-lateral to the supero-medial aspect of the nerve.(3) The third part extends from the point at which the second part bends at the supero-medial aspect of the optic nerve to its termination. It lies medial to the nerve.In two places the ophthalmic artery bends to change direction: one is seen at the junction of the first and the second parts and is designated the "Angle" in the text (

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Section: Sizementioning

confidence: 84%

Section: Sizementioning

confidence: 88%

Section: Sizementioning

confidence: 99%

Section: Sizementioning

confidence: 99%

Section: Sizementioning

confidence: 99%

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