Sensory Systems
| Chemosensory | Mechanoreceptors | Radiant Energy Receptors |
| Taste (gustation) | Touch | Vision |
| Smell (olfaction) | Hearing and gravity detection | Heat |
| Internal: pH, CO2, O2, etc. | Internal: Blood Pressure, stomach, etc. | photoperiod |
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![]() Arthropod Review |
Taste bud micrograph |
Wrong! |
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![]() Pinna |
![]() Malleus |
![]() Incus |
![]() Stapes |
![]() Bones of middle ear |
![]() Inner ear |
![]() Inner ear |
![]() Inner ear |
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![]() Inner ear hair cells |
Outer, Middle, Inner Ear |
Ear Structure |
![]() Hair Cell Animation |
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![]() Arthropods |
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![]() Main Eye Review |
![]() Eye |
Retina |
Retina micrographs |
![]() Photoreceptors (rod cells SEM) |
![]() Photoreceptor Structure |
![]() Rhodopsin |

Lateral Inhibition Schematic (1D; Click for animation)

Lateral Inhibition 2D:
=
Resting;
= Stimulus
(light);
=
Full excitation;
=
Small inhibition;
=
Large inhibition

More Lateral Inhibition Cartoons (Click to see animation) Good for edge and
movement detection!
Vertebrate Systems (Homo sapiens)
Your brain makes it all up! Blind Spot Filler