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Anatomy and Radiology Test 3 > Triangles of the Neck > Flashcards

Triangles of the Neck Flashcards

1
Q

What surrounds trapzius and sternocleidmastoid?

A

Investing fascia

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2
Q

Pretracheal fascia

A

Surrounds viscera

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3
Q

Buccopharyngeal fascia

A

Division of pretracheal fascia that covers posterior pharyngeal muscles

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4
Q

Carotid sheath contains

A

Carotid arteries
Internal jugular
Vagus nerve

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5
Q

Prevertebral fascia

A

Surrounds epaxial muscles, preverterbal, paraspinal, scalenes and vertebra
Includes longus capitis and longus colli

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6
Q

Danger space

A

Retropharyngeal space between buccopharyngeal and prevertebral fascia
Communicates with superior medaistinum

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7
Q

What divides posterior and anterior triangle

A

Sternocleiomastoid

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8
Q

Boundaries of posterior triangle

A 
Anterior - posterior sternocleidomastoid 
POsterior - Anterior trapezius 
Base - clavicle
Roof - investing deep cervical fascia 
Floor - prevertebral fascia
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9
Q

Posterior triangle divided into ___ by ____

A

Occipital and supraclavicular triangle

INferior belly of the omohyoid

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10
Q

Contents of posterior triangle of nec

A 
CN 11
Cutaenous cervical plex branches
Inferior belly of omohyoid 
Thyrocervical trunk
Subclavain a/v
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11
Q

Anterior triangle of neck boundaries

A

Anterior of sternocleidomastoid
Inferior of mandible
Median plane of neck

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12
Q

Submental triangle boundaries

A

Apex - chin
Base - hyoid bone
Right and left anterior belly of digastrics
Floor - mylohyoid

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13
Q

Contents of submental triangle

A

Submental lymph nodes

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14
Q

Digastric triangle boundaries

A

Superior - mandible
Inferior - posterior of digastric
Medial - anterior of digastric
Floor - mylohyoid

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15
Q

Contents of digastric triangle

A

Stylohyoid
Facial artery and vein
Submandibular gland and lymph nodes

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16
Q

Muscular triangle bondaries

A

Median plane of neck, superior belly of omohyoid, sternocleidomastoid

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17
Q

Contents of muscular triangle

A 
Infrahyoid muscles 
Larynx 
Thyroid gland and parathyoid glands 
Trachea 
Esophagus
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18
Q

Carotid trinagle boundaries

A

Superior belly of omohyoid
Posterior belly of digastric
Sternocleidomastoid

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19
Q

Contents of carotid triangle

A 
Bifurcation of common carotid 
Carotid sinus 
Carotid body 
Vagus nerve 
Hypoglossal nerve 
Internal jugular vein 
(carotid sheath plus carotid body, sinus, and hypoglossal)
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20
Q

Suprahyoid muscles

A

Posterior/anterior belly of digastric
Mylohyoid
Stylohyoid

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21
Q

Suprahyoid muscles innervated by CN 7 and functions

A

Posterior digastric and stylohyoid

Elevate, retract, and fix in place the hyoid

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22
Q

Suprahyoid muscles innervated by mandibular and functions

A

Anterior belly of digastric and mylohyoid

Depress mandible, elevate and fix hyoid

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23
Q

Suprahyoid muscles innervated by C1

A

Geniohyoid

Deep to mylohyoid

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24
Q

Infrahyoid muscles, innervation, and function

A 
Omohyoid 
Sternohyoid
Sternothyroid
Thyrohyoid 
Depress or fix hyoid during swallowing 
All ansa cervicalis except for thyrohyoid (C1)
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25
Q

Cervical plexus made of

A

Ventral primary rami from C1-C5

Sensory fibers at posterior border of sternocleidomastoid

26
Q

Cervical plexus nerves

A

Supraclavicular
Lesser occipital
Transverse cervical
Great auricular

27
Q

Ansa cervicalis made of and location

A

Ventral rami of C1-C3

Carotid sheath

28
Q

Superior root of ansa formed from ____ and associated with ______

A

C1 and C2

Hypoglossal nerves

29
Q

Portion of C1 travels with cranial nerve _____ to innervate ______ and _______

A

12

Thyrohyoid and geniohyoid

30
Q

Inferior root of ansa formed from _____ and is located______

A

C2 and C3

Carotid sheath

31
Q

Where do superior and inferior roots of ansa cervicalis merge?

A

Anterior of carotid sheath

32
Q

External carotid artery supplies

A

Blood to neck and face

33
Q

Internal carotid supplies

A

Brain and orbit

34
Q

Carotid sinus is ____ and located _____

A

Baroceptor regulating BP of cerebral arteries

Branc of internal carotid from common

35
Q

Carotid body is _____ and located _____

A

Chemoreceptor detecting Co2 levels

Bifurcation of carotids

36
Q

Superior thyroid artery, where it comes from, what it supplies, what it gives off and what that supplies

A

From external cartoid
To thyroid gland
Gives superior laryngeal that pierces thyrohyoid to supply larynx

37
Q

Lingual artery, where it comes from and what it supplies

A

From external carotid

Tongue and parts of oral cavity

38
Q

Facial artery, where it comes from, what it branches to, and what it supplies

A

From external carotid
Deep to submandibular gland to supply external face and oral cavity
Gives off Inferior labial, superior laial, and angular artery

39
Q

Maxillary artery, where it comes from and what it supplies

A

External carotid

Supplies infratemporal fossa, nasal cavity, and teet h

40
Q

Superficial temporal artery, where ti comes from and waht it suppliues

A

From external carotid

Supplies temporal part of scalp and side of head

41
Q

Ascending pharyngeal artery, what it supplies and where it comes from

A 
From bifurcation (external) 
Branhes to larynx and pharynx
42
Q

Occipital artery, where it comes from and what it supplies

A

Posterior regions of scalp

From external carotid

43
Q

Posterior auricular artery, where it comes from and waht it supplies

A

From external carotid

Supplies region of the ear

44
Q

Vertebral artery, where it comes from and how does it get to brain

A

Subclavian artery

Through transverse foramina

45
Q

Thyrocervical trunk branches

A 
Suply blood to thyroid, neck, and shoulder 
Inferior thyroid 
Transverse cervical
Ascending cervical
Suprascapular
46
Q

Acronym for branches of external carotid

A

Some little fat man stole papas only apple

47
Q

IJV begins at

A

Jugular foramen by union of sigmoid and petrosal sinus

48
Q

IJV tributaries

A

Sigmoid, inferior petrosal sinuses
Retromandibular, facial, lingual veins
Superior and middle thyroid veins

49
Q

External jugular vein empties into ___ and what are tributaries

A

Subclavian veins lateral internal jugular
Suprascapular ein
Anterior jugular
Retromandibular

50
Q

Retromandibular divisions and how they drain

A

Maxillary and superficial temporal come together to form
Posterior to EJV
Anterior to IJV
Lies in parotid gland

51
Q

Thyroid blood supply

A

Superior thyroid artery (from external carotid)

Inferior thyroid artery (from thyrocervical from subclavian)

52
Q

Venous drainage of thyroid

A

To IJV and BCV

53
Q

What nerves travel posterior to thyroid gland?

A

Recurrent laryngeal

54
Q

Sympathetic innervation to head and neck from

A

Superior cervical ganglion

55
Q

Sympathetic innervation to heart and thyroid from

A

Middle and inferior cervical ganglion

56
Q

Stellate ganglion from

A

INferior cervical ganglion fused with first thoracic ganglion

57
Q

Deep lymph vessels of head and neck located around

A

IJV

58
Q

Final common pathway of lymph drainage of head and neck

A

Jugular trunks

59
Q

Jugular nodes drainto

A

Thoracic duct OR right lymphatic duct

60
Q

Jugulodigastric nodes

A

Located where digastric crosses IJ

Gets drainage from palatine tonsil, pharynx, and posteiro tongue

Anatomy and Radiology Test 3 (11 decks)

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