Uploads by BIO254 14
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| Date | Name | Thumbnail | Size | Description |
|---|---|---|---|---|
| 11:36, 22 November 2006 | Purves knee jerk reflex.gif (file) |  |
46 KB | Figure 1.5. A simple reflex circuit, the knee-jerk response (more formally, the myotatic reflex), illustrates several points about the functional organization of neural circuits. Stimulation of peripheral sensors (a muscle stretch receptor in this case) i |
| 11:36, 22 November 2006 | Descartes visual coding.gif (file) |  |
16 KB | |
| 09:53, 22 November 2006 | Descartes knee jerk reflex.jpg (file) |  |
14 KB | |
| 09:33, 1 November 2006 | Visual Transduction Cascade.jpg (file) |  |
78 KB | Figure 11.7. Details of phototransduction in rod photoreceptors. (A) The molecular structure of rhodopsin, the pigment in rods. (B) The second messenger cascade of phototransduction. Light stimulation of rhodopsin in the receptor disks leads to the acti |
| 09:31, 1 November 2006 | CGMP.jpg (file) |  |
32 KB | Figure 11.6. Cyclic GMP-gated channels in the outer segment membrane are responsible for the light-induced changes in the electrical activity of photoreceptors (a rod is shown here, but the same scheme applies to cones). In the dark, cGMP levels in the |
| 09:31, 1 November 2006 | Photoreceptors hyperpolarize.jpg (file) |  |
26 KB | Figure 11.5. An intracellular recording from a single cone stimulated with different amounts of light (the cone has been taken from the turtle retina, which accounts for the relatively long time course of the response). Each trace represents the respons |
| 02:07, 30 October 2006 | Ch11f7.jpg (file) |  |
78 KB |
