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ANATOMY AND PHYSIOLOGY
VISION
75
Anatomy
Undergraduate 4
02/04/2010

Additional Anatomy Flashcards

 


 

Cards

Term
GENERAL SENSES OF TOUGH
Definition

TEMPERATURE

PRESSURE

PAIN

Term
SPECIAL SENSES
Definition

SMELL

TASTE

SIGHT

HEARING

EQUILIBRIUM

Term
WHAT % OF SENSORY RECEPTORS ARE IN THE EYE
Definition
70 %
Term
HOW MANY NERVE FIBERS ARE IN THE EYE
Definition
OVER 1 MILLION
Term
WHAT IS THE PROTECTION FOR THE EYE
Definition

1. MOST OF THE EYE IS ENCLOSED BY A BONY ORBIT

2. A CUSHION OF FAT SURROUNDS MOST OF THE EYE

Term
ACCESSORY STRUCTURES OF THE EYE
Definition

EYE LIDS AND LASHES

CONJUNCTIVA

LACRIMAL APPARATUS

EXTRINSIC EYE MUSCLES

Term
TARSAL GLAND DO WHAT
Definition

 

LUBRICATE THE EYES

Term
CILIARY GLANDS ARE LOCATED BTWN WHAT?
Definition
THE EYELASHES
Term

WHAT IS:

A MEMEBRANE THAT LINES THE EYELIDS

CONNECTS TO THE SURFACE OF THE EYE

SECRETES MUCUS TO LUBRICATE THE EYE

Definition
CONJUNCTIVA
Term
WHAT MAKES UP THE LACRIMAL APPARATUS
Definition

LACRIMAL GLAND

LACRIMAL CANALS

LACRIMAL SAC

LACRIMAL DUCT

Term
PRODUCES LACRIMAL FLUID
Definition
LACRIMAL GLAND
Term
DRAINS LACRIMAL FLUID FROM THE EYES
Definition
LACRIMAL CANALS
Term
PROVIDES PASSAGE OF LACRIMAL FLUID TOWARD NASAL CAVITY
Definition
LACRIMAL SAC
Term
EMPTIES LACRIMAL FLUID INTO THE NASAL CAVITY
Definition
LACRIMAL DUCT
Term
FUNCTION OF THE LACRIMAL APPARATUS
Definition

PROTECTS, MOISTENS AND LUBRICATES THE EYE

EMPTIES INTO THE NASAL CAVITY

Term
PROPERITES OF LACRIMAL FLUID
Definition

DILUTE SALT SOL'N (TEARS)

CONTAINS ANTIBODIES AND LYSOZYME

Term
6 MUSCLES THAT ATTACHE TO THE OUTER SURFACE OF THE EYE AND PRODUCE MOVEMENT OF THE EYE?
Definition
EXTRINSIC EYE MUSCLES
Term
6 MUSCLES
Definition

LATERAL RECTUS

MEDIAL RECTUS

SUPERIOR RECTUS

INFERIOR RECTUS

SUPERIOR OBLIQUE

INFERIOR OBLIQUE

Term

MOVES EYE LATERALL

 

CN-VI (ABDUCENS)

Definition
LATERAL RECTUS
Term

MOVES EYE MEDIALLAY

 

CN-lll (OCULOMOTOR)

Definition
MEDIAL RECTUS
Term

ELEVATED THE EYE AND TURNS IT MEDIALLY

 

CN-lll (OCULOMOTOR)

Definition
SUPERIOR RECTUS
Term

DEPRESSES EYE AND TURNS IT MEDIALLY

 

CN-lll (OCULOMOTOR)

Definition
INFERIOR RECTUS
Term

ELEVATES THE EYE AND TURNS IT LATERALLY

 

CN-lll (OCULOMOTOR)

Definition
INFERIOR OBLIQUE
Term

DEPRESSES EYE AND TURNS IT LATERALLY

 

CN-lV (TROCHLEAR)

Definition
SUPERIOR OBLIQUE
Term
LAYERS FORMING THE WALL OF THE EYEBALL (OUTSIDE---> IN)
Definition

FIBROUS

VASCULAR

SENSORY

Term

WHITE CONNECTIVE LAYER OF TISSUE

SEEN ANTERIORLY AS THE "WHITE OF THE EYE"

Definition
SCLERA
Term

TRANSPARENT CENTRAL ANTERIOR PORTION OF THE THE EYE.

ALLOWS LIGHT TO PASS THROUGH THE EYE.

 

Definition
CORNEA
Term

REPAIRS ITSELF EASILY.

THE ONLY HUMAN TISSUE THAT CAN BE TRANSPLANTED W/O FEAR OF REJECTION.

Definition
CORNEA
Term

A BLOOD-RICH NUTRITIVE LAYER IN THE POSTERIOR EYE

 

PIGMENTS PREVENT LIGHT FROM SCATTERING

Definition
CHORIOD
Term
THE CHOROID IS PART OF WHAT LAYER?
Definition
VASCULAR LAYER
Term
2 STRUCTURES THAT MAKE UP THE VASUCLAR LAYER
Definition

CILIARY BODY

IRIS

Term
SMOOTH MUSCLE ATTACHED TO THE LENSE OF THE EYE
Definition
CILIARY BODY
Term

REGULATED AMT OF LIGHT ENTERING THE EYE

 

PIGMENTED LAYER THAT GIVE THE EYE COLOR  

Definition
IRIS
Term
ROUNDED OPENING IN THE IRIS
Definition
PUPIL
Term
THE RETINA IS PART OF WHAT LAYER OF THE EYE
Definition
SENSORY LAYER
Term
2 LAYERS THAT MAKE UP THE RETINA
Definition

OUTTER PIGMENTED LAYER

INNER NEURAL LAYER

Term
THE INNER NEURAL LAYER CONTAINS RECEPTOR CELLS (PHOTORECEPTORS) (2)
Definition

RODS

CONES

Term
SIGNALS PASS FROM PHOTORECEPTORS VIA A 2-NEURON CHAIN
Definition
BIPOLAR AND GANGLION NEURONS
Term
SIGNALS LEAVE THE RETINA TOWARD THE BRAIN THROUGH THE ______ _______
Definition
OPTIC NERVE
Term
_____ _____ (BLIND SPOT) IS WHERE THE OPTIC NERVE LEAVES THE EYEBALL
Definition
OPTIC DISC
Term
NEURONS OF THE RETINA AND VISION
Definition

RODS

CONES

Term

MOST ARE FOUND TOWARD THE EDGE OF THE RETINA

ALLOWS DIMLIGHT VISION AND PERIPHERAL VISION

ALL PERCEPTION IS IN GRAY TONES

Definition
RODS
Term

ALLOW FOR DETAILED COLOR VISION

DENSEST IN THE CENTER OF THE RETINA

FOVEA CENTRALIS

Definition
CONES
Term
AREA OF THE RETINA W/ ONLY CONES
Definition
FOVEA CENTRALIS
Term
3 TYPES OF CONES
Definition

RED

GREEN

BLUE

Term

BICONCAVEX CRYSTAL-LIKE STRUCTURE

 

HELD IN PLACE BY A SUSPENSOR LIGAMENT ATTACHED TO THE CILIARY BODY

Definition
LENS
Term
CATARACTS RESULT WHENT THE LENS BECOMES ____ AND ____ W/ AGE
Definition

HARD

OPAQUE

Term

VISION BECOMES HAZY AND DISTORTED

 

EVENTUALLY CAUSES BLINDNESS IN THE AFFECTED EYE

Definition
CATARACTS
Term
2 SEGMENTS OR CHAMBERS OF THE EYE
Definition

ANTERIOR (AQ) SEGMENT

POSTERIOR (HUMEROUS) SEGMENT

Term

ANTERIOR TO THE LENS

CONTAINS AQ HUMOR

Definition
ANTERIOR SEGMENT
Term

POSTERIOR TO THE LENS

CONTAINS VETREOUS HUMOR

Definition
POSTERIOR SEGMENT
Term

WATERY FLUID FOUND BETWEEN LENS AND CORNEA

SIMILAR TO BLOOD PLASMA

HELPS MAINTAIN INTRAOCULAR PRESSURE

PROVIDES NUTRIENTS FOR THE LENS AND CORNEA

REABSORBED INTO THE VENOUS BLOOD THROUGHT HE SCLERAL VENOUS SINUS, OR CANAL OF SCHLEMM

Definition
AQ HUMOUR
Term

GEL-LIKE SUBSTANCE POSTERIOR TO THE LENS

PREVENTS THE EYE FROM COLLAPSING

HELPS MAINTIAN INTRAOCULAR PRESSURE

Definition
VITREOUS HOUMOR
Term

INSTRUMENT USED TO ILLUMINATE THE INTERIOR OF THE EYEBALL

CAN DETECT DIABETES, ARTERIOSCLEROSIS, DEGENERATION OF THE OPTIC NERVE AND RETINA

Definition
OPHTHALMOSCOPE
Term
LIGHT MUST BE FOCUSED TO A POINT ON THE _____ FOR OPTIMAL VISION
Definition
RETINA
Term

THE EYE IS SET FOR DISTANCE VISION

(OVER ____ FT AWAY)

Definition
20
Term
THE LENSE MUST CHANGE SHAPE TO FOCUS ON CLOSER OBJECTS (LESS THAN 20 FT AWAY)
Definition
ACCOMMODATION
Term
THE IMAGE FORMED ON THE RETINA IS A ____ ____
Definition
REAL IMAGE
Term

REAL IMAGES ARE:

REVERSED FROM ____ TO ____

_____ _____

_____ THEN THE OBJECT

Definition

LEFT TO RIGHT

UPSIDE DOWN

SMALLER

Term

LOCATION WHERE THE OPTIC NERVES CROSS

FIBERS FROM EACH SIDE OF THE MEDIAL SIDE OF EACH EYE CROSS OVER TO THE OPPOSITE SIDE OF THE BRIAN.

 

Definition
OPTIC CHIASMA
Term
CONTAINS FIBERS FROM THE LATERAL SIDE OF THE EYE OF THE SAME SIDE AND THE MEDIAL EYE OF THE OPPOSITE SIDE
Definition
OPTIC TRACTS
Term

INTERNAL MUSCLES ARE CONTROLLED BY THE _ _ _

 

Definition
ANS
Term

BRIGHT LIGHT CAUSES PUPILS TO CONSTRICT THROUGH ACTION OF RADIAL, CIRCULAR, AND CILIARY MUSCLES

VIEWING CLOSE OBJECTS CAUSES ACCOMMODATION.

(WHAT MUSCLE CAUSE THE ABOVE?)

Definition
INTERAL MUSCLE
Term
_____ MUSCLES CONTROL THE EYE MOVEMENT TO FOLLOW OBJECTS
Definition
EXTERNAL
Term
VIEWING CLOSE OBJECTS CAUSES ______ (EYES MOVING MEDIALLY)
Definition
CONVERGENCE
Term
EYE FOCUSES IMAGES CORRECTLY ON THE RETINA
Definition
EMMETROPIA
Term

DISTANT OBJECTS APPEAR BLURRY

LIGHT FROM THOSE OBJECTS FAILS TO REACH THE RETINA AND ARE FOCUSED IN FRONT OF IT

RESULTS FROM ANY EYEBALL THAT IS TOO LONG

Definition
MYOPIA (NEAR SIGHTED)
Term

NEAR OBJECTS ARE BLURRY WHILE DISTANT OBJECTS ARE CLEAR

DISTANT OBJECTS ARE FOCUSED BEHIND THE RETINA

RESULTS FROM AN EYEBALL THAT IS TOO SHORT OR FROM A "LAZY LENS"

Definition
HYPEROPIA (FARSIGHTED)
Term

IMAGES ARE BLURRY

RESULTS FROM LIGHTS FOCUSING AS LINES, NO POINTS, ON THE RETINA DUE TO UNEQUAL CURVATURE OF THE LENS OR CORNEA

Definition
ASTIGMATISM
Term
INHIBITED ROD FUNCTION THAT HINDERS THE ABILITY TO SEE AT NIGHT
Definition
NIGHT BLINDENSS
Term

GENETIC CONDITION THAT RESULTS IN THE INABILITY TO SEE CERTAIN COLORS

DUE TO LACK OF 1 KIND OF CONE (PARTIAL ____ BLIND NESS)

Definition

COLOR BLINDNESS

COLOR

Term
CAN CAUSE BLINDNESS DUE TO INCREASING PRESSURE W/IN THE EYE
Definition
GLAUCOMA
Term
LOSS OF THE SAME SIDE OF THE VISUAL FIELD OF BOTH EYES; RESULTS FROM DAMAGE TO THE VISUAL CORTEX ON ONLY ONE SIDE
Definition
HEMIANOPIA
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