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Anatomy and Physiology > Special senses > Flashcards

Special senses Flashcards

1
Q

What are Meibomian glands?

A

Produce oily secretion that lubricates the eye

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2
Q

What do lacrimal glands do, what is contained in the secretion and their role?

A

The gland continuously releases dilute salt solution or tears onto eyeball. The secretion contains antibodies and lysozomes that destroy bacteria and the role is to cleanse and protect eye surface as it moistens and lubricates

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3
Q

What is the function of the humors in the eye?

A

Helps to maintain shape

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4
Q

What is the function of the lens in the eye?

A

Divides eye into 2 chambers. Main focusing apparatus by allowing light to be focused on retina

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5
Q

What is the function of the sclera in the eye?

A

Protective white Connective tissue

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6
Q

What is the function of the choroid in the eye?

A

Prevents light scattering inside eye

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7
Q

What is the function of the Ciliary body in the eye?

A

It is what attaches the lens

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8
Q

What is the function of the iris in the eye?

A

Coloured section and allows light in eye

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9
Q

What is the function of the retina in the eye?

A

Contains rods and cones that respond to light

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10
Q

what makes the cornea special?

A

Only tissue in body that doesnt reject transplantation

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11
Q

What is the function of rods in the eye?

A

Allows vision in dim lighting, see grey tones and for peripheral vision

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12
Q

What is the function of cones in the eye?

A

Allows vision in bright light, gives colour and sharp vision

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13
Q

What are the two chambers separated by the lens called?

A

Anterior is aqueous humor and posterior is vitreous humor

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14
Q

What is the outer and middle ear used for?

A

Hearing

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15
Q

What is the inner ear used for?

A

Hearing and equilibrium

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16
Q

What is ceruminous gland?

A

Secrete yellow waxy substance called cerumen (ear wax)

17
Q

What is the purpose of the auditory tube?

A

It is connected to the throat and allows pressure to equalise in middles ear with atmospheric pressure

18
Q

What is the purpose of the ossicles and what are the called?

A

Purpose is to transmit vibrations and they are hammer, anvil and stirrup

19
Q

What does the inner ear contain?

A

It has labyrinths that keep balance which include cochlea, vestibule and semicircular canals

20
Q

What are the olfactory receptors?

A

Receptors for sense of smell

21
Q

What are papillae and what are the types?

A

They are dorsal tongue surface covered with projections and the types are sharp filliform pappilae, rounded fungiform and circumvallate papillae

22
Q

What are gustatory cells?

A

Specific cells that respond to chemicals dissolved in saliva

Anatomy and Physiology (18 decks)

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