Stroke & Vascular Disorders
Brainstem hemorrhage
Apr. 21, 2022
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Superior view of the left orbit without the levator palpebrae superioris
(a) Eye; (b) Optic nerve in the muscular cavity; (c) Optic nerve cut off outside the orbit; (d) The portion of the dura mater, which becomes the periosteum; (e) Levator palpebrae superioris cut off near its origin; (f) The superior oblique muscle bent by a pulley (the trochlea); (g) Superior rectus muscle; (h) Superior rectus muscle insertion; (i) Medial rectus muscle; (k) Each of the muscles just mentioned being connected to each other near the origin, so that it is clear from this that the levator palpebrae did not originally reach the sheath of the optic nerve, but that it was imposed on both muscles; (l) Inferior rectus muscle; (m) Lateral rectus muscle; (n) Superior head (lesser) of the lateral rectus muscle; (o) Inferior head of the lateral rectus muscle; (p) The interval between the two heads of the lateral rectus muscle.
(Source: Zinn JG. Descriptio anatomica oculi humani. Göttingen, B. Abrahami Vandenhoeck, 1780. Tab V, Figure 2. Public domain. Figure edited and labeling translated and updated from the original French labels by Dr. Douglas J Lanska.)