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Sp16 Anatomy Exam 2 > Gross 21 Anterior Cervical triangle > Flashcards

Gross 21 Anterior Cervical triangle Flashcards

1
Q

Anterior Cervical triangle boundaries

A

Anterior: median line of neck
Posterior: SCM
Superior: inferior border of mandible

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2
Q

Platysma is innervated by

A

Facial nerve

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3
Q

Veins of anterior triangle (5)

A 
Facial
Retromandibular
Anterior jugular
Communicating
Internal Jugular
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4
Q

Facial vein drains to

A

IJV

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5
Q

Retromandibular joins with and drains to
Posterior branch
Anterior branch

A

Posterior: Posterior auricular to EJV
Anterior: Facial to IJV

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6
Q

Anterior Jugular drains to

A

EJV

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7
Q

Communicating branch connects and drains to

A

Facial to AJV

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8
Q

Internal jugular vein drains

A

brain
Anterior face
cervical viscera

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9
Q

Transverse Cervical nerve
Vertebral level
Supplies

A

C2-C3

Supplies skin of anterior cervical triangle

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10
Q

Right common carotid begins at

Left common carotid begins at

A

bifurcation of brachiocephalic trunk

Aortic arch

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11
Q

External carotid supplies

A

external head and neck

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12
Q

Internal carotid supplies

A

Anterior brain

Middle brain

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13
Q

Vertebral artery supplies

A

Posterior brain

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14
Q

Thyrocervical trunk supplies

A

lower neck

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15
Q

Subdivisions of anterior triangle (4)

A

Carotid
Submandibular
Submental
Muscular

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16
Q

Muscles of anterior trangle

A 
Suprahyoid:
 Digastric
 Mylohyoid
 Stylohyoid
 Geniohyoid
Infrahyoid:
 Sternohyoid
 Sternothyroid
 Thyrohyoid
 Omohyoid
SCM
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17
Q

Submandibular triangle borders

A

Superior: Inferior border of mandible
Ant/inf: Anterior belly digastric
Post/inf: posterior belly digastric

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18
Q

Submandibular Triangle contents (5 main points))
Structures
Vasculature
Nerves

A 
Submandibular salivary glands and lymph nodes
Facial artery, vein
CNXII
CNVII mandibular branch
CNV3 mylohyoid branch
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19
Q

Submental triangle borders

A

Left lateral: L anterior belly digastric
Right lateral: R anterior belly digastric
Inferior: Hyoid bone

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20
Q

Submentla triangle contents (3)

A

Mylohyoid m
Submental lymph nodes
small vessels

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21
Q

Muscular triangle borders

A

Anterior: median line of neck
Post/sup: Superior belly omohyoid
Post/inf: SCM

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22
Q

Muscular triangle contents (4 main)

A

Sternohyoid
Sternothyroid
Thyrohyoid
Visceral structures of neck

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23
Q

Carotid triangle borders

A

Ant/supr: Posterior belly digastric
Ant/infr: Superior belly omohyoid
Posterior: SCM

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24
Q

Carotid triangle nerves

A 
Laryngeal (CNX branches)
CNX
CNXI
CNXII
Ansa cervicalis (C1-3)
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25
Q

Carotid triangle arteries

A

Common, internal, external carotid

6 branches of external carotid (3 ant, 3 post)

26
Q

Anterior branches of external carotid

A

Facial
Lingual
Superior thyroid

27
Q

Posterior branches of external carotid

A

Posterior auricular
Occipital
Ascending pharyngeal

28
Q

Superior Thyroid a gives off ____ to pierce thyrohyoid membrane

A

Superior Laryngeal artery (travels with internal laryngeal n)

29
Q

Superior Thyroid a relation to greater horn of hyoid

A

Inferior

30
Q

Lingual artery
Location
Supplies

A

Posterior to greater horn of hyoid

Supplies inferior surface of tongue

31
Q

Facial artery

Ascends over ________ to supply ______

A

Ascends over inferior border of mandible to supply face

32
Q

Ascending Pharyngeal artery

Supplies

A

Pharynx and tonsils

33
Q

Occipital artery

Location

A

Under posterior belly digastric

34
Q

Occipital artery

Supplies

A

Neck and scalp

SCM (via muscular branch)

35
Q

Posterior auricular artery

Location

A

Superior to posterior belly digastric

36
Q

Posterior auricular artery

Supplies

A

Scalp behind the ear

37
Q

Cervical viscera

A 
Thyroid
Parathyroid
Larynx
Trachea
Pharnxy
Esophagus
38
Q

Superior thyroid artery

From ____ to ______

A

ECA to Superior thyroid gland

39
Q

Inferior Thyroid artery

From ____ to ____

A

Thyrocervical trunk to inferior gland

40
Q

Thyroid ima artery

From ____ to ____

A

From aorta to brachiocephalic trunk (inferior gland 10% of the time)

41
Q

Superior Thyroid vein

Drains to

A

IJV

42
Q

Middle Thyroid Vein

Drains to

A

IJV

43
Q

Inferior Thyroid Vein

Drains to

A

Brachiocephalic

44
Q

How many parathyroid glands?

A

4 glands

45
Q

Right recurrent laryngeal nerve vs left recurrent laryngeal nerve

A

Right: loops under subclavian
Left: loops under aortic arch

46
Q

Damage to Recurrent laryngeal nerve results in

A

paralysis of most laryngeal muscles

47
Q

Damage to external laryngeal nerve results in

A

paralysis of cricothyroid and Inferior pharyngeal constrictor muscles

48
Q

Tracheotomy vs Tracheostomy

A

Otomy: temporary
Ostomy: permanent…more things removed

49
Q

Superior cervical ganglion location

A

anterior to longus capitus

50
Q

Middle cervical ganglion location

A

posterior to thyroid gland

51
Q

Cervicothoracic ganglion location

A

inside thoracid inlet

52
Q

Controls all parasympathetic innervation to neck

A

Vagus nerve

53
Q

Thoracic duct drains lymph from

A 
L upper limb
Head
Neck
Thorax
Abdomen ***
Lower limbs****
54
Q

Thoracic Duct enters ______ between L _____ and L ______

A

Thoracic duct enters venous angle between L subclavian vein and L IJV

55
Q

Right lymphatic duct drains lymph from

A

R Upperlimb
Head
Neck
thorax

56
Q

Right lymphatic duct enters _____ between _____ and _____

A

Right lymphatic duct enters venous angle between R subclavian vein and R IJV

57
Q

Three neck branches of thyrocervical trunk

A

Inferior thyroid artery
Transverse cervical artery
Suprascapular artery

58
Q

Cervical and suprascapular cross over ____ nerve

A

Phrenic nerve

59
Q

Vertebral vein drains into

A

Brachiocephalic vein

60
Q

Vertebral Artery and vein travel in

A

Transverse processes of C1-C6

61
Q

SCM triangle boundaries

A

Medial: sternal head of SCM
Lateral: clavicular head of SCM
Inferior: Clavicle

62
Q

Contents of SCM triangle

A

IJV

Sp16 Anatomy Exam 2 (13 decks)

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