Optic stalk

Optic stalk
Transverse section of head of chick embryo of fifty-two hours’ incubation.
Optic cup and choroidal fissure seen from below, from a human embryo of about four weeks. (Optic stalk labeled at center left.)
Gray's	subject #224 1001
Carnegie stage	14

Overview

The optic vesicles project toward the sides of the head, and the peripheral part of each expands to form a hollow bulb, while the proximal part remains narrow and constitutes the optic stalk.

External links

• Embryology at UNC eye-012
• Overview at vision.ca

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.