Unit 4 Flashcards Preview

Neuroanatomy 2 - PNS > Unit 4 > Flashcards

Flashcards in Unit 4 Deck (178)
Loading flashcards...
90

The anterior chamber of the eye is the space between the _____ anteriorly and ______ posteriorly.

cornea
iris and pupil

91

Sympathetic responses to the pupil are faster than the parasympathetical responses. True/False

False

92

Name the single layer of cells that reinforce the light-absorbing property of the choroid in reducing the scattering of light in the eyeball. _______________

Pigment cell layer of the optic part of the retina

93

Name two features on the fundus of the eyeball.

Optic disc or optic papilla
Macula lutea

94

The optic disc is sensitive to color. True/False

False it is the blind spot

95

Name the feature that is specialized for acuity of vision. ____

Fovea centralis of the Macula lutea

96

The functional optic part of the retina terminates anteriorly along the ___________.

Ora serrata

97

Name the main artery that supplies the retina. _______ of __________

Central artery of the ophthalmic artery

98

Name the refractive media of the eyeball which pass through the light waves to the retina, in sequence.

Cornea
Aqueous humor
Lens
vitreous humor
Retina

99

The cornea is innervated by the ____ of ____.

long ciliary nerve of the nasociliary nerve of the ophthalmic nerve

100

Name two veins through which the aqueous humor is drained through the limbal plexus.

vorticose vein of the superior and inferior ophthalmic veins
anterior ciliary vein of the muscular veins

101

The lens of the eye is anchored by the ___ to the ciliary body.

Zonular fibers aka suspensory ligament of the ciliary body

102

Name the nerve which causes the near vision with the ciliary muscle constriction

Parasympathetic nerve

103

Name two main arteries that supply the eye

Ophthalmic artery of internal carotid artery
Maxillary artery of external carotid

104

The central vein of the retina drains into the _______ or ________.

Cavernous sinus
Superior ophthalmic vein

105

The paralysis of the superior tarsal muscle may cause the ________.

Ptosis or drooping of the superior eyelid

106

The glaucoma is caused by decrease drainage of aqueous humor through ___________.

Sclera venous sinus

107

Name the innermost layer of the choroid

Pigmented epithelium

108

Name the entire pathway of the parasympathetic secretomotor nerve from the cranial nucleus to the lacrimal gland in sequence.

Superior salivatory nucleus
Nervus intermedius of the facial nerve
Genicular ganglion
Greater petrosal nerve
Nerve to the pterygoid canal
Pterygopalatine ganglion
Ganglionic branch of the maxillary nerve
Maxillary nerve
Zygomatic nerve
Zygomaticotemporal nerve
Lacrimal nerve of the ophthalmic nerve
Lacrimal gland

109

Name the entire pathway of the sympathetic postsynaptic motor nerve to the lacrimal gland in sequence.

Superior cervical ganglion
Internal carotid nerve
Internal carotid plexus
Deep petrosal nerve
Nerve to the pterygoid canal
Pterygopalatine ganglion
Ganglionic branch of the maxillary nerve
Maxillary nerve
Zygomatic nerve
Zygomaticotemporal nerve
Lacrimal nerve of the ophthalmic nerve
Lacrimal gland

110

Name the arteries which supply the auricle.

Posterior auricular artery of the external carotid
Superficial temporal artery of the external carotid

111

Name the nerve which innervates the cranial surface of the auricle.

Upper cranial surface: Posterior branch of the great auricular nerve
Lower cranial surface: lesser occipital nerve (C2 C3)

112

Lymph from the superior half of the cranial surface of the auricle drains into the:
a. superficial parotid lymph nodes.
b. mastoid lymph nodes.
c. superficial cervical lymph nodes.
d. deep cervical lymph nodes.

a. superficial parotid lymph nodes.
b. mastoid lymph nodes.
d. deep cervical lymph nodes.

113

Name the gland which produces earwax.

Ceruminous glands

114

What is the size in diameter of the tympanic membrane?

About 1 cm

115

The tympanic membrane is the partition between the _____ and ____.

External Acoustic Meatus
Tympanic cavity of the middle ear

116

Name the shallow central peak of the tympanic membrane.

Umbo

117

The tympanic membrane faces to anterior, inferior and laterally. True/False

True

118

The superior to the lateral process of the malleus attachment on the tympanic membrane is called ______.

Pars flaccid (flaccid part)

119

The remainder of the tympanic membrane besides the pars flaccid is called ______.

Pars tensa (tense part)