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A&P Lab > Senses > Flashcards

Senses Flashcards

1
Q

They are widspread, superficial, and found in hairy and hairless skin. F-light, touch, temperature, and pain.

A

Free nerve endings

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2
Q

A dendrite wrapped around a hair follicle. F-Light touch when the hair is displaced.

A

Hair follicle receptors

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3
Q

Found in the dermal papillae of hairless skin. F-Light touch and low frequency vibration

A

Meissner’s corpuscles

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4
Q

Found in the stratum basale of hairy and hairless skin. F-Pressure touch

A

Merkel’s nerve complex

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5
Q

In the dermis, joint capsules, some viscera, genitals, and breasts. F- High frequency vibration, pressure, stretch, and tickling

A

Lamellated or Pacinian corpuscles

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6
Q

In the dermis and joint capsules. F-Pressure touch

A

Ruffini’s cylinders

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7
Q

Form the capsule surrounding the taste receptor cells. Support and protect the receptor cells.

A

Supporting cells

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8
Q

Develop into supporting cells and then into receptor cells which live about ten days.

A

Basal Cells

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9
Q

Lack taste buds. Roughen the tongue and aid in food manipulation.

A

Filliform papillae

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10
Q

These papillae form parallel bands on the sides of the posterior two-thirds of the tongue. They have few taste buds

A

Foliate papillae

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11
Q

Comprises the two olfactory organs in the nasal cavity

A

Olfactory epithelium

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12
Q

The connective tissue beneath the olfactory epithelium

A

Lamina propria

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13
Q

The cells which replace lost or damaged olfactory receptor cells at the base of the olfactory epithelium

A

Basal cells

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14
Q

These are mucus glands found in the lamina propria that moisten olfactory epithlium, and dissolve odor molecules.

A

Bowman’s glands

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15
Q

The fleshy external flap located on side of head.Collects sound waves and directs them into the external auditory canal

A

Auricle

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16
Q

The passageway that directs sound waves from the auricle to the tympanic membrane

A

External auditory canal

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17
Q

AKA the eardrum. Separates the outer and middle ears. Vibrates when struck by sound waves.

A

Tympanic membrane

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18
Q

These glands secrete cerumen, or earwax, into the external auditory canal. Help prevent foreign substances from reach eardrum.

A

Ceruminous glands

19
Q

Transmits vibrations from the tympanic membrane to the incus.

A

Malleus

20
Q

Transmits vibrations from malleus to stapes.

A

Incus

21
Q

Transmits vibrations from incus to oval window

A

Stapes

22
Q

Opening between middle and inner ear. Enables hearing of low amplitude sounds

A

Oval Window

23
Q

Opening directly below the oval window. Covered by a secondary tympanic membrane. Bulges out middle ear to dissipate the pressure waves within the cochlea.

A

Round window

24
Q

Tube connecting middle ear and nasopharynx. Enables the tympanic membrane to vibrate freely.

A

Eustachian tube

25
Q

Resembles snail shell, contains the cochlear duct.

A

Cochlea

26
Q

Part of the bony labyrinth containing the saccule and utricle

A

Vestibule

27
Q

Contains semicircular ducts

A

Semicircular canals

28
Q

The white of the eye. A tough, tendon like layer continuous with the dura mater of the brain around the optic nerve. Shapes the eye.

A

Scelra

29
Q

Most anterior layer of the eye that is continuous with the sclera. Transparent to allow light into the eye. Well supplied with nerve endings for pain, reflex blinking, and to stimulate lacrimal secretions. Lack blood vessels.

A

Cornea

30
Q

Separates the fibrous and sensory tunics.Provides oxygen and nourishment to the eye.

A

Choroid

31
Q

Lies beneath cornea. Attributes to eye color. Controls amount of light entering eye

A

Iris

32
Q

Round central opening in center of eye

A

Pupil

33
Q

Just beneath the iris.Holds the lens in place and changes its shape to focus light onto the retina.

A

Ciliary body

34
Q

Beneath the iris. Focuses on image on the retina by changing shape under the influence of the ciliary muscles.

A

Lens

35
Q

Two innermost layers of eye.Absorbs light and prevents from bouncing back

A

Retina

36
Q

Enable us to see shades of grey in dim light

A

Rods

37
Q

Responsible for high acuity color vision. Only operate in bright light

A

Cones

38
Q

Sysnapse with the dendrites of the rods and cones.Transmit nerve impulses to the ganglion cells

A

Bipolar neurons

39
Q

Syanpse with the axons and bipolar neurons. The axons combine to form the optic nerve, which sends nerve impulses to the brain

A

Ganglion cells

40
Q

Where the optic nerve leaves the eye. Not covered by he retina. A blind spot in the eye

A

Optic disc

41
Q

Cranial nerve II: it transmits visual info from the eye to the brain

A

Optic nerve

42
Q

Mushroom shaped, all over tongue. Each papillae has about 5 taste buds.

A

Fungiform papillae

43
Q

Large circular papillae with depression in the middle. About 12 arranged on back of tongue in V shaped row. Contain from 100-300 taste buds.

A

Vallate papillae

A&P Lab (4 decks)

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