[[Image:Aspinall Slide6.JPG|thumb|right|350px|<small>Image from [http://www.elsevierhealth.co.uk/veterinary-nursing/spe-60136/ Aspinall, The Complete Textbook of Veterinary Nursing], Elsevier Health Sciences, ''All rights reserved''</small>]]
===Optics===
===Optics===
Refractive indices:
Refractive indices:
Line 216:
Line 217:
==Histology==
==Histology==
−
<center><gallery>
+
<center><gallery widths=150px>
Image:Retina numbered.jpg|Retina - John Bredl
Image:Retina numbered.jpg|Retina - John Bredl
Image:Retina of the Dog.jpg|Retina of the Dog - John Bredl
Image:Retina of the Dog.jpg|Retina of the Dog - John Bredl
|videos = [[Video: Lateral surface of the head of the dog potcast 2|Lateral surface of the head of the dog potcast 2]]<br>[[Video: Ventral brain with optic nerves potcast|Ventral brain with optic nerves potcast]]