Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy farts > Special Senses Mod 8 > Flashcards

Special Senses Mod 8 Flashcards

1
Q

What are the 2 classifications of sense organs?

A

General and specialized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define general sense organs

A

Individual cells or receptor units

Concentrated in the skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Define specialized sense organs

A

Large and complex organs that are in groups of specialized receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the common characteristics in all sense organs?

A

Able to detect a stimulus
Stimulus gets changes into a nerve impulse
Signal travels to the brain to be interpreted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are free (naked) nerve endings?

A

Found in almost every part of the body, mostly concentrated in the skin and can sense pain, temperature, itch and tickle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 6 encapsulated nerve endings and was do they feel?

A
  1. Tactile corpuscles: light touch, low vibration
  2. Ruffini corpuscles: repetitive touch or pressure
  3. Pacini corpuscles: deep pressure and high frequency
  4. Krause corpuscles: touch
  5. Golgi tendon organs: receptors in muscle ex. the pain of a pulled muscle
  6. Muscle spindles: muscle length
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 3 layers of the eyeball?

A
  1. Sclera
  2. Choroid
  3. Retina
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the function of the sclera?

A

Tough outer coat
It’s the white part of the eye
Contains the cornea which is transparent and is over the iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the function of the choroid?

A

The vascular layer that prevents light from scattering

Contracts the iris muscle so it can dilate it’s constrict the pupil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the function of the retina?

A

Inner most layer of the eye
Has rods for night vision
Has cones for day vision and colour vision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Define the lens in the eye

A

Transparent body behind the pupil and focuses light rays on the retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What kind of fluid is in the eye and what is the purpose?

A

Fluid in the eye helps maintain shape and helps reflect light
Has aqueous humor which is watery fluid in front of the lens
Has vitreous humor that is a jelly like fluid that sits behind the lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the conjunctiva?

A

A mucous membrane that covers the surface of the sclera and is kept moist from tears in the tear duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 3 divisions of the ear?

A
  1. External ear
  2. Middle ear
  3. Inner ear
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the 2 parts of the external ear?

A
  1. Auricle (pinna) = earlobe

2. External auditory canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the 3 long bones in the ear?

A
  1. Malleus
  2. Incus
  3. Stapes
17
Q

What are the 3 parts of the internal ear? THINK VSCO GURL

A
  1. Vestibule
  2. Semicircular canals
  3. COchlea

Anatomy farts (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions