Nervous Systems V

Photoreceptors are

Invertebrate / verterbrate photoreceptors

Retinula cells

Rods and Cones

Eye diagram

Where are photoreceptors found/

Rod / cone diagram

Comparing structure and function

Vertebrate phototransduction in the dark

Vertebrate phototransduction in light

What are the 4 classes of photoR in humans?

How would you compare their absorbance on a graph?

What colour don't rods absorb?

Show the visual pathway of light sensing in humans

Where is colour processed in the 1' visual cortex?

Where are dynamic movements processed?

Visual processing in lower vertebrates

Bird visual acuity

Invertebrate phototransduction in light

What are compound eyes made up of?

What is the cartridge known as?

Diagram of ommatidium

What is special about compound eyes?

Which rhabdomere have differing microvilli directions and why?

Which rhabdomere are sensitive to polarisation?

Why do insects have this?

Simple eyes

Use in flying insects

What are the eyes of octopi and vertebrates an example of?