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Anatomy > Head and Neck > Flashcards

Head and Neck Flashcards

1
Q

Cervical Body Wall

Subvertebral Musculature

A

Longus (long) Colli (neck)

fx: flex neck

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2
Q 
Cervical Body Wall:
Lateral Musculature 
Internal Layer
Middle Layer 
External Layer
A

Internal: Anterior Scalene Muscle
Middle: Middle Scalene
External: Posterior Scalene

fx: flex cervical vertebrae

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3
Q

Cervical Body Wall:
Lateral Musculature
Outermost Layer

A

Levator Scapulae

fx elevator scapula

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4
Q

Cervical Body Wall:
Ventral Musculature

Still Sounds Terrify Outside Ghosts

A 
Sternothyroid
Thyrohyoid
Sternohyoid 
Omohyoid
Geniohyoid

common fx: depress thyroid hyoid

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5
Q

Extrinsic Eye Muscles

6 of them

A

Superior, Inferior, Medial and Lateral Rectus

Superior and Inferior Oblique Muscles

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6
Q

Brachial Arch Muscles

Muscles of 1st (Mandibular) Arch

A 
Temporalis (name)
Messeter muscle- to chew 
Medial Pterygoid Muscle
these 3 elevate madible
Lateral Pterygoid (is higher up)
fx: protrudes mandible
Digastricus (anterior belly)
fx: depresses mandible
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7
Q

Brachial Arch Muscles

Muscles of 2 (hyoid) arch

A

Digastricus Muscle
Posterior Belly
fx: elevate hyoid bone

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8
Q

Brachial Arch Muscles
Muscles of 2 (hyoid) arch

Muscles of facial expression
POP BALLROOMZ

A 
Occipotofrontalis
Prcerus
Orbicularis
Nasalis
Levator labii superioris alaeque nasi muscle
Orbicularis Oris 
Levator Labii Superior Oris
Zygomaticus Major and Minor
Buccinator
Risorius
Depressor Anguli Oris
Depressor Labii inferioris
Mentalis
Platysma
Auricularis

fx: kiss, open/close eyes, move facial features

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9
Q

Muscles of 3rd Arch

A

Stylopharyngeus muscle

fx: elevates pharynx

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10
Q

Muscles of 4th to 6th arches

A

Pharyngeal and palatal
Laryngeal Muscles
fx: produce sphincter and peristaltic actions

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11
Q

Posterior Arch Muscles

A

Trapezius Muscle
fx: upward rotation of scapula; elevation too
Sternocleidomastoid muscle
fx: extends sternal fibers flexes cervical fibers

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12
Q

Teeth

Histology

A

Pulp
Dentine
Enamel
Periodontium

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13
Q

Teeth Types

A 
Incisors
Canines
Premolars
Molars
2.1.2.3
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14
Q

Tongue

Papillae

A

Filliform-thread- tactile, no tastebuds
Fungiform-fungus- contain 5 tastebuds each all over
Vallate-valley- v in the back contain 300 tastebuds each

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15
Q

5 tastes

A

sweet, salty, sour, bitter and umami

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16
Q

Salivary Glands

A

Parotid
Submandibular
Sublingual

17
Q

Tonsils

A

Lingual
Palatine
Pharyngeal

18
Q

Eye

A

No need to memorize parts of the eyeball; practice coloring it. I know it.

19
Q

Vascular Tunic of eye

A

Choroid Coat- blood vessels
Ciliary Body- ring around the lens
Zonular fiber-attach lens and ciliary muscle
Iris

20
Q

Fx of Ciliary apparatus

A

The CA changes the shape of the lens
when ciliary muscles relaxed= zonular fibers are taught= lens is flat= far objects
when ciliary muscles contracted=zonular fibers have slack= lens is convex= close objects.

contracted= convex= close

21
Q

Iris

A

Sphincter pupillae muscle
-around circumference of pupil
fx: constrict
Dilatator Muscles- medial to lateral edge of iris= dilate pupil

22
Q

Internal Tunic

A

Optic Nerve
Transducer cells
-rods- low light- most numerous
-cones- high light- concentrated around fovea

23
Q

Fibrous Tunic

A

Sclera and Cornea

24
Q

External Ear Anatomy

A

Auricle
External Acoustic Meatus
Tympanic Membrane
(a cavity in the temporal bone)

25
Q

Middle Ear Anatomy

A

Tympanic Cavity
Fenestra vestibuli
Fenestra cochleae
Pharyngotympanic tube

26
Q 
Auditory Aussicles (middle ear)
and the muscles
A

Malleus
Incus
Stapes- on the oval window

Tensor Tympani- increases tension on tympanic membrane to prevent damage from loud noises.
Stapedius- protects oval window by dampening noises

27
Q

sound waves

A

loudness=amplitude

pitch=wavelength

28
Q

Basic Design of Internal Ear

A

Osseous Labyrinth-perilymph

Membranous Labyrinth-endolymph

29
Q

Cochlear Division of Inner Ear

A 
2.5 spiraled tube
Bony labyrinth
-scala vestibuli- up next to oval window
-helicotrema
-scala tympani
perilymph tissue is Loose connective tissue
Membraneous labyrinth
-Scala Media
-spiral organ
--hair cells
--neurons
-Tectorial Membrane
30
Q

Vestibular Division of the Inner Ear

A 
Bony Labryinth
-vestibule
-semicircular canals
Membraneous Labyrinth
- Saccule
-Utricle
-Semicircular canals
31
Q

Saccule and Utricle

A

Vestibular Hair Cells

Otoliths- CaCO3

32
Q

Semicircular duct

A

Ampullae and vestibular hair cells

Anatomy (24 decks)

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