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Anatomy Head and Neck > Week 3 Wet Room Special Senses > Flashcards

Week 3 Wet Room Special Senses Flashcards

(69 cards)

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1
Q

Name the 3 foramina at the apex of the orbit

A

Optic foramen
Superior orbital fissure
Inferior orbital fissure

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2
Q

What passes through the Optic Foramen

A

Optic nerve

Ophthalmic artery

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3
Q

What passes through the superior orbital fissure

A 
CN III
CN IV
CN VI
Ophthalmic division of V nerve
Ophthalmic veins
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4
Q

What passes through the inferior orbital fissure

A

Maxillary division of V nerve

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5
Q

Name the paranasal air sinuses on the skull

A

Frontal
Ethmoid air cells
Maxillary
Sphenoid

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6
Q

What are the main contents of the orbit

A 
Branches of the ophthalmic artery
Extrinsic ocular muscles
Ligaments supporting the eye
II, III, IV, VI nerve
Lacrimal (tear) apparatus
Fat, orbital and retrobulbar fascia 
Ciliary ganglion
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7
Q

What makes up the outer fibrous layer of the eye

A

Sclera and Cornea- complete layer extends all the way round

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8
Q

What makes up the middle vascular layer of the eye

A

Choriod and Ciliary body and Ciliary process- incomplete anteriorly. Anterior aperture is called pupil

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9
Q

What makes up the inner sensory layer of the eye

A

Retina- posteriorly

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10
Q

What is the name given to the watery fluid in the anterior segment of the eye

A

Aqueous humour

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11
Q

What name is given to the gel in the posterior segment of the eye

A

Vitreous humour

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12
Q

Name features found in the eye

A 
Ciliary body
Lens
Macular
Optic disc
Optic nerve
Ora Serrata
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13
Q

What part of the eye produces (secretes) aqueous humour

A

Anterior segment

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14
Q

Where is the Ciliaris located

A

Radially running muscle on borders

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15
Q

What is the action of the Ciliaris muscle

A

Accommodation

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16
Q

What nerve innervates the Ciliaris muscle

A

Parasympathetic via cranial nerve III

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17
Q

What is the location of the sphincter papillae

A

Pupillary border of iris

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18
Q

What is the action of the sphincter papillae

A

Constricts pupil

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19
Q

What is the sphincter papillae innervated by

A

Parasympathetic via cranial nerve III

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20
Q

Where is the dilatory papillae located

A

Radially running muscle in iris

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21
Q

What is the action of the dilator papillae

A

Dilates pupil

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22
Q

What is the innervation of the dilator papillae

A

Sympathetic

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23
Q

What muscles produce eye movements

A

Extrinsic eye muscles

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24
Q

There are 6 Extrinsic muscles, 4 straight and 2 oblique what are they

A 
Lateral rectus
Medial rectus
Superior rectus
Inferior rectus
Superior oblique
Inferior oblique
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25
What is the actions of the medial rectus
Adduct
26
What is the action of the lateral rectus
Abduct
27
What is the action of the superior rectus
Elevation, Adduction, Intorsion
28
What is the action of the inferior rectus
Depression, adduction, extorsion
29
What are the action of the superior oblique
Depression, abduction, intorsion
30
What are the actions of the inferior oblique
Extorsion, Elevation,Abduction
31
Which is the only muscle that does not arise from the posterior aspect of the orbit
Inferior oblique
32
Name the ligaments that prevent over-adduction and over-abduction of the eye
Medial and Lateral check ligaments
33
What is the function of the suspensory ligament of the eye
Collectively they work with oblique muscles and retrobulbar fat to resist the posterior pull on the eyeball produced by the rectus muscle
34
Name the branch of the internal carotid artery that supplies the orbit and they eye
Ophthalmic artery
35
Which foramina in the orbit do the ophthalmic veins pass through to enter into the cavernous venous sinus in the cranial cavity
Superior orbital fissure
36
Which part of the orbit does the lacrimal gland lie
Lateral
37
From which cranial nerve does parasympathetic innervation to the lacrimal gland arise
Greater petrosal nerve from facial nerve
38
Into which meatus of the nasal cavity does the lacrimal sac drain in to
Inferior
39
From the outside of the ear to the inside name the structures
Tympanic membrane Malleus Incus Stapes
40
What type of joints are found between the ossicles
Synovial
41
Which ossicle in the ear is in contact with the tympanic membrane
The malleus
42
Which ossicle is in contact with the oval window
Stapes
43
Name 2 muscles related to the ossicles
Tensor tympani and Stapedius
44
What are the actions of the Tensor tympani and Stapedius
``` Dampen or resist movements of auditory ossicles Dampens movements (vibrations) of the tympanic membrane ```
45
Name 2 area with which the cavity of the middle ear communicates
``` Pharyngotympanic tube (Eustachian tube) Mastoid antrum ```
46
Within which part of the temporal one do the middle and inner ear lie
Petrous part
47
The inner ear consists of a series of bone lined chambers called
The bony labyrinth
48
Inside the bony labyrinth lies a series of membranous chambers called
The membranous labyrinth
49
What is the fluid that lies within the bony labyrinth
Perilymph
50
What is the fluid that lies within the membrane labyrinth
Endolymph
51
What is the function of the cochlea and semilunar canals
Reception of sound and maintenance of balance
52
Through which foramen does the facial nerve exit the posterior cranial fossa
Internal acoustic meatus
53
Which other cranial nerve exit through this Foramen
Vestibulochlear
54
The Chorda tympani nerve carries ___
Parasympathetic (preganglionic) efferent fibres for the submandibular and sublingual gland Sensory fibres to the anterior 2/3rds of the tongue (taste)
55
Where are the cervical lymph nodes located
Around international jugular vein and within the fascia of the carotid sheath. extend from base of skull to the root od the neck at thoracic inlet
56
What is located at the inferior end of the deep cervical chain
Efferent lymphatic vessels that join together to form the jugular lymph trunk on each side
57
Where do the efferent lymphatic from the jugular lymph drain on the right and left side
Right side- junction of the IJV and subclavian | Left side- Thoracic duct
58
Where are the parotid lymph nodes located and where do they drain lymph from
On or in parotid gland | Scalp around parotid gland, lateral parts of eyelid and middle ear
59
Where are the Buccal lymph nodes located and where do they drain lymph from
Over buccinator muscle | Cheek region
60
Where are the submental lymph nodes located and where do they drain lymph from
Anteriorly just under mandible Anterior tongue tip Central part of floor of the mouth and chin
61
Where are the submandibular lymph nodes located and where do they drain lymph from
Below lower border of body of mandible Scalp, nose, lips, air sinuses (ethmoid, frontal, maxillary, teeth, gums, anterior tongue, floor of the mouth and efferent lymphatics from submental nodes)
62
Where are the mastoid lymph nodes located and where do they drain lymph from
Overlie mastoid process | Middle region of scalp and external auditory meatus
63
Where are the occipital lymph nodes located and where do they drain lymph from
Overlie occipital process | Back of scalp
64
Where do all the efferent lymphatic vessels from the lymph nodes in the head an neck end up
Deep cervical nodes
65
Where are the anterior cervical nodes located and where do they drain lymph from
Lie along anterior jugular veins | Superficial structures of the neck
66
Where are the Superficial Cervical nodes located and where do they drain lymph from
Lie along the external jugular veins | Parotid nodes, angle of mandible, structures that lie at the junction between the next, the face and the scalp
67
Where are the retropharyngeal nodes located and where do they drain lymph from
Lie between the pharynx and the veterbral bodies | Nasopharynx, auditory tube and the upper cervical vertebral column
68
Where are the Laryngeal nodes located and where do they drain lymph from
Lie around the cricothyroid ligament | Larynx and adjacent structures
69
Where are the Tracheal nodes located and where do they drain lymph from
Around Trachea | Trachea and thyroid gland

Anatomy Head and Neck (6 decks)

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