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Ch 16
Sensory anatomy
12
Anatomy
Undergraduate 3
02/18/2010
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Term

 

 

Receptor Informaition Types

 Definition

1.Modality
1.Type of stimulus or sensation it produces
1.ex. Vision
2.APs are the same but the brain can distinguish based on the different routes traveled
2.Location
1.Information is encoded by which neurons are firing
2.Sensory neuron receives input from receptive field(s)
3.Intensity
1.Based on # and kinds of fibers firing
2.Time between APs

Term
Ear Anatomy
 Definition

[image]

 
Term

 

Hearing Cells

 Definition

[image]

 
Term

 

 

Pain Blocking

 Definition

[image]

4. Starts in cerebral cortex and hypothalamus

6. 7. 8. endogenous opioids produced

  some produced when stressed (motral wounding, child birth)

  block pain binding sites

  ex enkephalins – 200x more powerful than manufactured drugs

Others not only block pain, can produce euphoria

  when: runners high, second wind

  ex. endorphins

 
Term

 

 

PRH

 Definition

Prolactin Releasing Hormone

promotes secretion of prolactin(PRL)

 

produced in hypothalamis
Term

 

 

PIH

 Definition

Prolactin-Inhibiting Hormone

Inhibits secretion of prolactin(PRL)
Term

 

 

GHRH

 Definition

Growth Hormone-releasing hormone

Promotes secretion of growth hormone(GH)
Term

 

 

GnRH

 Definition

Gonadotropin-Releasing Hormone

Promotes secretion of follicle-secreting hormone(FSH) and luteinizing hormone(LH)

FSH goes to testes, LH goes to ovaries
Term

 

 

Anterior Pituitary Gland

 Definition

Andenohypophysis

Releases hormones into bloodstream
Term

 

 

Posterior Pituitary Gland

 Definition

Neurohypophysis

Releasese hormones by neurons.

Not a "true" endocrine gland.
Term

 

 

Anterior Pituitary Hormones

and Effects

 Definition
[image]
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