Nervous Regulation and Integration
Unit 10: Sensory Systems
Learning Objectives
Parts 1-3: Overall Organization of the Sensory Systems, Gustation, Olfaction
At the end of this part of this unit, you should be able to:
I. List the five main categories of sense receptors in the body based on the types of stimuli they respond to.
II. Describe the structure and function of cutaneous sensors and proprioceptors.
III. Describe the structure and function of the olfactory system.
IV. Describe the structure and function of the gustatory system.
Part 4: Audition and Balance
At the end of this part of this unit, you should be able to:
I. Describe the structure and functions of the external, middle and inner ear.
II. Describe the physiology of hearing.
III. Describe the physiology of static and dynamic balance.
Part 5: Vision
At the end of this part of this unit, you should be able to:
I. Identify the location and explain the function of each of the main components of the human eye.
II. Describe the formation of an image on the retina.
III. Describe the overall distribution and functions of the two main types of photoreceptors in the retina.
IV. Describe the pathway of the nervous impulses from the photoreceptors of the retina to the brain.
V. Describe the location, structure and functions of the lacrimal apparatus.
Learning Objectives and Guiding Questions
Parts 1-3: Overall Organization of the Sensory Systems, Gustation, Olfaction
At the end of this part of this unit, you should be able to complete all the following tasks, including answering the guiding questions associated with each task.
I. List the five main categories of sense receptors in the body based on the types of stimuli they respond to.
- Specify the five categories of sense receptors found in the human body. For each category, state the stimuli they are capable of detecting and specify their location(s) in the human body.
II. Describe the structure and function of cutaneous sensors and proprioceptors.
- Describe the location, structure and function of:
- Cutaneous sensors
- Proprioceptors
III. Describe the structure and function of the olfactory system.
- Describe the location, structure and function of olfactory receptors.
- Describe the pathway by which information about chemicals detected by olfactory receptors is transmitted to the cerebrum.
IV. Describe the structure and function of the gustatory system.
- Describe the location, structure and function of gustatory receptors.
- What are the five primary tastes?
- Describe the pathway by which information about molecules detected by gustatory receptors is transmitted to the cerebrum.
Part 4: Audition and Balance
At the end of this part of this unit, you should be able to complete all the following tasks, including answering the guiding questions associated with each task.
I. Describe the structure and functions of the external, middle and inner ear.
- Draw a fully-labelled diagram showing the anatomy of the external, middle and inner ear. A