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Study sets matching "special senses vision"

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Study sets matching "special senses vision"

37 terms
Special Senses- Vision
Lateral Rectus
Medial Rectus
Superior rectus
Inferior Rectus
Moves eye laterally... VI Abducens nerve
Moves eye medially... III Oculomotor
Elevates eye and turns it medially... III Oculomotor
Depresses eye and turns it medially... III Oculomotor
Lateral Rectus
Moves eye laterally... VI Abducens nerve
Medial Rectus
Moves eye medially... III Oculomotor
40 terms
SPECIAL SENSES VISION
Cornea
Sclera
Choroid
Lacrimal apparatus structures, and pur…
-Transparent coat that cover iris.... -It is curved to focus li…
-Layer of dense connective tissue that appears white.... -Cover…
-Contains the most blood vessels (cardiovascular).... -Provides…
-Group of structures that produce/drain tears/lacrimal fluid.…
Cornea
-Transparent coat that cover iris.... -It is curved to focus li…
Sclera
-Layer of dense connective tissue that appears white.... -Cover…
38 terms
Lab: special senses-vision
optic nerve
macula lutea
fovea centralis
Sclera
optic nerve
macula lutea
37 terms
Special Senses- Vision
Lateral Rectus
Medial Rectus
Superior rectus
Inferior Rectus
Moves eye laterally... VI Abducens nerve
Moves eye medially... III Oculomotor
Elevates eye and turns it medially... III Oculomotor
Depresses eye and turns it medially... III Oculomotor
Lateral Rectus
Moves eye laterally... VI Abducens nerve
Medial Rectus
Moves eye medially... III Oculomotor
32 terms
Special Senses Review (vision)
secretes mucus
secretes oil
secretes salt
what is the function of adipose tissue…
conjunctiva
tarsal gland
lacrimal gland
it protects the eye ball as a defense and gives it a cushion…
secretes mucus
conjunctiva
secretes oil
tarsal gland
133 terms
Special Senses & Vision
Vision
Light
Wavelengths of visible light
Visual Pathway
Sight-perception of images based on the light reflected or em…
Visible electromagnetic radiation
400-700nm
Visual light in eye--> transduction to neuronal signals --> o…
Vision
Sight-perception of images based on the light reflected or em…
Light
Visible electromagnetic radiation
23 terms
Special Senses - Vision
Iris
Ciliary body
Choroid
Macula
-Located between the cornea and lens... -Controls pupil size (ma…
-Located in the anterior aspect of the eye... -Secretes aqueous…
-Highly vascular, nourishes the retina... -Located in the poster…
Posterior retina; center of vision
Iris
-Located between the cornea and lens... -Controls pupil size (ma…
Ciliary body
-Located in the anterior aspect of the eye... -Secretes aqueous…
Special Senses: Vision
Cornea
Sclera
Iris
Ciliary bodies
Fibrous Tunic: Anterior transparent layer that covers the pup…
Fibrous Tunic: Whites of the eyes. serves as an attachment po…
Vascular Tunic: Sphincter of smooth muscle around the pupil t…
Vascular Tunic: Composed of smooth muscle and controls shape…
Cornea
Fibrous Tunic: Anterior transparent layer that covers the pup…
Sclera
Fibrous Tunic: Whites of the eyes. serves as an attachment po…
34 terms
Special Senses (Vision)
Parts of the eye
refraction
1. Cornea
2. Sclera
1. Cornea ... 2. Sclera ... 3. Choroid... 4. Pupil... 5. Iris... 6. Lens... 7.…
- bending of light (cornea/lens)... - focuses light onto the ret…
-outermost ... - clear/avascular layer ... -convex shape ... - refract…
- dense white connective tissue ... - behind the cornea
Parts of the eye
1. Cornea ... 2. Sclera ... 3. Choroid... 4. Pupil... 5. Iris... 6. Lens... 7.…
refraction
- bending of light (cornea/lens)... - focuses light onto the ret…
15 terms
Special Senses: Vision Lecture
Retina
Photoreceptors
Rods
Cones
where physiology of vision takes place
The light-sensitive cells in the retina- the rods and cones.
Retinal receptors that detect black, white, and gray; necessa…
Retinal receptor cells that are concentrated near the center…
Retina
where physiology of vision takes place
Photoreceptors
The light-sensitive cells in the retina- the rods and cones.
19 terms
Special Senses: Vision
Sclera*
Cornea*
Iris*
Pupil*
maintains shape of eyeball; protective covering
transparent; nonvascular; covering colored part of eye
colored portion of eye; regulates pupil; smooth muscle (dilat…
opening in the center of eye; controls the amount of light en…
Sclera*
maintains shape of eyeball; protective covering
Cornea*
transparent; nonvascular; covering colored part of eye
13 terms
Special Senses: Vision
bulbar conjunctiva
cornea
palpebral conjunctiva
palpebral fissure
superior portion of eyeball where light enters
a mucous membrane lining the internal surface of eyelids
bulbar conjunctiva
cornea
superior portion of eyeball where light enters
21 terms
The Special Senses - Vision
the eyes
supraorbital ridge
eyebrows
eyelids
Where are the photoreceptors for sight located?
The bony ridge that protects the eye from blows and serves as…
Which accessory organ of the eye shades the eyes from the sun…
This accessory organ of the eye is a continuation of the skin.
the eyes
Where are the photoreceptors for sight located?
supraorbital ridge
The bony ridge that protects the eye from blows and serves as…
48 terms
Lab - Special Senses: Vision
Lacrimal glands
Lacrimal puncta
lacrimal sac
nasolacrimal duct
continually secrete a dilute salt solution (tears) that flush…
(tiny opening of the lacrimal canaliculi)
5
Lacrimal glands
continually secrete a dilute salt solution (tears) that flush…
Lacrimal puncta
(tiny opening of the lacrimal canaliculi)
57 terms
Special Senses: Vision
lacrimal sac
conjunctiva
extraocular/ extrinsic muscle
lateral rectus m.
lacrimal sac
conjunctiva
21 terms
23 - Special Senses - Vision
lacrimal gland
lacrimal caruncle
conjunctiva
outer fibrous layer (tunic)
secretes lacrimal fluid
secretes a whitish oily secretion for eye lubrication
secretes mucous to lubricate the eye
sclera... cornea
lacrimal gland
secretes lacrimal fluid
lacrimal caruncle
secretes a whitish oily secretion for eye lubrication
141 terms
Special Senses: Vision
Iris
Eyelash
Eyebrow
Pupil
D)
C)
A)
E)
Iris
D)
Eyelash
C)
10 terms
Special Senses: Vision
cornea
Aqueous humor
B
cornea
B
Aqueous humor
37 terms
Special Senses- Vision
Lateral Rectus
Medial Rectus
Superior rectus
Inferior Rectus
Moves eye laterally... VI Abducens nerve
Moves eye medially... III Oculomotor
Elevates eye and turns it medially... III Oculomotor
Depresses eye and turns it medially... III Oculomotor
Lateral Rectus
Moves eye laterally... VI Abducens nerve
Medial Rectus
Moves eye medially... III Oculomotor
50 terms
Special Senses 1: Vision
70%
Sclera
Cornea
Iris
_________ of body's sensory receptors in the eye
Transparent anterior 1/6 of fibrous layer. Bends light as it…
colored part of the eye
70%
_________ of body's sensory receptors in the eye
Sclera
Special Senses: Vision
Structures of the Eye
Meibomian Glands
Ciliary Glands
Conjuctiva Membrane
-Meibomian Glands... -Conjunctiva Membrane... -Cilliary Glands
-Modified sebaceous glands... -Produce an oily substance to lubr…
-Modified sweat glands between the eyelashes... -Provide lubrica…
Membrane that lines the eyelid
Structures of the Eye
-Meibomian Glands... -Conjunctiva Membrane... -Cilliary Glands
Meibomian Glands
-Modified sebaceous glands... -Produce an oily substance to lubr…
37 terms
special senses: vision
bony orbit
lacrimal apparatus
lacrimal gland
lacrimal punctum
bony orbit
lacrimal apparatus
37 terms
Special Senses- Vision
Lateral Rectus
Medial Rectus
Superior rectus
Inferior Rectus
Moves eye laterally... VI Abducens nerve
Moves eye medially... III Oculomotor
Elevates eye and turns it medially... III Oculomotor
Depresses eye and turns it medially... III Oculomotor
Lateral Rectus
Moves eye laterally... VI Abducens nerve
Medial Rectus
Moves eye medially... III Oculomotor
56 terms
Special Senses: Vision
Lacrimal apparatus
Lacrimal gland
Lacrimal punctum
Lacrimal canaliculi
A structure of the eye that produce tears and the ducts that…
4. The gland that produces the watery substance making up the…
The very small circular opening of the lacrimal duct on the m…
1. Ducts at inside corners of the eyes that collect and drain…
Lacrimal apparatus
A structure of the eye that produce tears and the ducts that…
Lacrimal gland
4. The gland that produces the watery substance making up the…
45 terms
Special Senses: Vision
Eyebrow
Eyelashes
Palpebral Fissure
Lateral commissure
Eyebrow
Eyelashes
19 terms
Special Senses Vision
palpebrae
ciliary glands
palpebral fissure
lateral canthi
superior and inferieor
palpebrae
superior and inferieor
ciliary glands
30 terms
Special Senses--Eyes and Vision
Vitreous body
Aqueous humor
lens
phak
gelatinous body of matter composed mainly of vitreous humor (…
lymphlike fluid in chamber between cornea and lens
optical lens resembles a lentil seed (latin orgin)
Greek orgin--optical lens
Vitreous body
gelatinous body of matter composed mainly of vitreous humor (…
Aqueous humor
lymphlike fluid in chamber between cornea and lens
37 terms
Special Senses - Vision
Palpebra
Lacrimal Caruncle
Corneal Limbus
Tendon of Superior Oblique Muscle
another term for eyelid
The pink mucous membrane in the medial corner of the eye
border of the sclera and the cornea
desc. - hook above eye
Palpebra
another term for eyelid
Lacrimal Caruncle
The pink mucous membrane in the medial corner of the eye
85 terms
Special Senses - Vision
Special senses
Special sensory receptors
Eye
Accessory structures
Vision, taste, smell, hearing, & equilibrium.
Distinct receptor cells confined to head region and highly lo…
Only anterior 1/6 is visible. Diameter about 1".
Eyebrows, eyelids, conjunctiva, lacrimal apparatus, extrinsic…
Special senses
Vision, taste, smell, hearing, & equilibrium.
Special sensory receptors
Distinct receptor cells confined to head region and highly lo…
37 terms
Special Senses- Vision
Lateral Rectus
Medial Rectus
Superior rectus
Inferior Rectus
Moves eye laterally... VI Abducens nerve
Moves eye medially... III Oculomotor
Elevates eye and turns it medially... III Oculomotor
Depresses eye and turns it medially... III Oculomotor
Lateral Rectus
Moves eye laterally... VI Abducens nerve
Medial Rectus
Moves eye medially... III Oculomotor
86 terms
Special senses: vision
Cushion of fat;... and bony orbit
eyebrows
eyelids
eyelashes
protect most of the eye
shade eye from sunlight;... prevent perspiration getting in eye
protect eye by closing;... also, lubricating glands associated w…
nerve endings in follicles initiate reflex blinking
Cushion of fat;... and bony orbit
protect most of the eye
eyebrows
shade eye from sunlight;... prevent perspiration getting in eye
93 terms
Special Senses: Vision
How is vision measured?
What are the wavelengths that is the v…
What is the job of the visual system?
how is colour detected?
On an electromagnetic spectrum, where only a small band compr…
400-750nm
To detect the visible radiation from which ranges 400-750nm,…
As a wavelength
How is vision measured?
On an electromagnetic spectrum, where only a small band compr…
What are the wavelengths that is the v…
400-750nm
64 terms
Special Senses - Vision
Vision is perception of images based o…
Wavelengths of visible light
Visual Pathway
Lacrimal glands
Light... = visible electromagnetic radiation
400 - 700 nm
Visual light in eye -> transduction to neuronal signals -> op…
Supreolaterally in orbit
Vision is perception of images based o…
Light... = visible electromagnetic radiation
Wavelengths of visible light
400 - 700 nm
61 terms
Special Senses: Vision & Hearing
Palpebrae
Medial commissure
Lateral commissure
Lacrimal caruncle
skin covering upper and lower lids with eyelashes protecting…
Junctions where the eyelids meet medially and laterally; form…
Junctions where the eyelids meet medially and laterally; form…
Fleshy reddish elevation that contains sebaceous and sweat gl…
Palpebrae
skin covering upper and lower lids with eyelashes protecting…
Medial commissure
Junctions where the eyelids meet medially and laterally; form…
43 terms
Special Senses: Vision & Hearing
palpebrae
medial canthus
lateral canthus
caruncle
eyelids
inner corner of the eye
outer corner of eye
At the inner canthus, the _______ is a small, fleshy mass con…
palpebrae
eyelids
medial canthus
inner corner of the eye
32 terms
Special Senses: Vision
Accessory Structures
Eyelids
Eyelashes/Eyebrows
Sebaceous Cillary Glands
Include the eyelids, eye lashes, eyebrows, the lacrimal (tear…
Shade during sleep, protect the eyes from excessive light and…
The eye lashes help protect the eyeballs from foreign objects…
Release a lubricator get fluid into the follicles
Accessory Structures
Include the eyelids, eye lashes, eyebrows, the lacrimal (tear…
Eyelids
Shade during sleep, protect the eyes from excessive light and…
55 terms
Special Senses II (Vision)
Role of the lens... ♦Unaccommodated eye…
Role of the lens... ♦Accommodated eye…
clinical:... presbyopia
Near point
• lens flattened by action of the suspensory ligaments (cilia…
•Ciliary muscle contracts in response to parasympathetic nerv…
•Near point of vision recedes... Power of accommodation decreas…
the nearest point to the eye at which an object can be brough…
Role of the lens... ♦Unaccommodated eye…
• lens flattened by action of the suspensory ligaments (cilia…
Role of the lens... ♦Accommodated eye…
•Ciliary muscle contracts in response to parasympathetic nerv…
78 terms
Special Senses - Vision
accessory structures of the eye
eyebrows
palpebrae (eyelids)
palpebral fissure
eyebrows, eyelids, conjunctiva, lacrimal apparatus, and extri…
short coarse hairs that overlie the supraorbital margins of t…
protects the eyes
separates the eyelids and meet at the medial and lateral angl…
accessory structures of the eye
eyebrows, eyelids, conjunctiva, lacrimal apparatus, and extri…
eyebrows
short coarse hairs that overlie the supraorbital margins of t…
63 terms
Special Senses: Vision and Hearing
superior rectus muscle
inferior rectus muscle
lateral rectus muscle
medial rectus muscle
name number 2
name number 5
superior rectus muscle
inferior rectus muscle
44 terms
Special Senses: Vision and Hearing
palpebrae
medial canthus
lateral canthus
lacrimal caruncle
eyelids
middle corner of eye
outside corner of eye
fleshy part
palpebrae
eyelids
medial canthus
middle corner of eye
75 terms
Special Senses:Vision and Hearing
Extrinsic eye muscles
Sclera
Cornea
Iris
6; superior,inferior,lateral,and medial rectus muscles,superi…
dense, collagenous white of the eye
transparent area of sclera that admits light into eye, clear…
colored diaphragm controlling size of pupil,its central opening
Extrinsic eye muscles
6; superior,inferior,lateral,and medial rectus muscles,superi…
Sclera
dense, collagenous white of the eye
23 terms
Special Senses Vision
Cataracts
Glaucoma
Conjunctivitis
Sty
lens becomes increasingly hard and opaque and seen in the eld…
blockage that drains the aqueous fluid causes intraocular pre…
is inflammation of the conjunctiva, often accompanied by redn…
is an inflammation of one of the ciliary glands or a small oi…
Cataracts
lens becomes increasingly hard and opaque and seen in the eld…
Glaucoma
blockage that drains the aqueous fluid causes intraocular pre…
17 terms
Special senses - vision
ciliary body
cornea
iris
pupil
ciliary body
cornea
66 terms
Special Senses: Vision & Eye
3 layers of eye
what is the fibrous tunic, what is its…
what is the vascular tunic or uvea, wh…
what is the nervous tuinc, what is its…
Fibrous Tunic (outer)... Vascular Tunic- Uvea (middle)... Nervous T…
outer layer... structure and protection... cornea anterior and scle…
middle layer... light regulation, blood and nutrient supply... iris…
inner layer... converts images and light to receptor potentials…
3 layers of eye
Fibrous Tunic (outer)... Vascular Tunic- Uvea (middle)... Nervous T…
what is the fibrous tunic, what is its…
outer layer... structure and protection... cornea anterior and scle…
29 terms
Special Senses: Vision
Levator Palpebrae Superioris muscle
Superioris rectus muscle
Lacrimal gland
Cornea
e
a
Levator Palpebrae Superioris muscle
Superioris rectus muscle
e
60 terms
Special Senses- Vision and Hearing
What are structures of ear involved wi…
3 regions of the ear
Regions of the Ear (picture)
Components of external ear
Equilibrium and hearing
external ear... middle ear... inner ear
1. Auricle... 2. External acoustic meatus... 3. Tympanic membrane... 4…
What are structures of ear involved wi…
Equilibrium and hearing
3 regions of the ear
external ear... middle ear... inner ear
38 terms
special senses: vision
eyelids
palpebral fissure
medial canthus
lateral canthus
eyelids
palpebral fissure
35 terms
Special senses: vision
extrinsic eye muscles innervated by
pupil constriction
pupil dilation
retina
oculomotor, abducens, and trochlear nerves
parasympathetic
sympathetic
extrinsic eye muscles innervated by
oculomotor, abducens, and trochlear nerves
pupil constriction
parasympathetic
66 terms
Special Senses - Vision and Hearing
Special Senses
Eye/Vision
Ear/Equilibrium & Hearing
Optic
Olfaction;... Vision;... Audition;... Balance/equilibrium;... Gustation
Sensitive to photons;... Part of the CNS;... enables sight, but all…
Sensitive to sound waves;... Movement & gravity;... all through the…
CN-II
Special Senses
Olfaction;... Vision;... Audition;... Balance/equilibrium;... Gustation
Eye/Vision
Sensitive to photons;... Part of the CNS;... enables sight, but all…
43 terms
Special Senses: Vision
What is the function of the adipose ti…
Why does one have to blow one's nose a…
What is a sty?
What is conjunctivitis?
Supports and surrounds the eyeball, protects and cushions
Tears drain into the nasal cavity through the nasolacrimal duct
An infection of the sebaceous gland of the eyelid
Inflammation of the conjunctiva
What is the function of the adipose ti…
Supports and surrounds the eyeball, protects and cushions
Why does one have to blow one's nose a…
Tears drain into the nasal cavity through the nasolacrimal duct
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