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A-CNS Anatomy > Neck Facia + Post. Triangle+Anterior Tirangle > Flashcards

Neck Facia + Post. Triangle+Anterior Tirangle Flashcards

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1
Q

بسم الله الرحمن الرحيم
____________
مالك يوم الدين
____________
Mention layers of deep fascia of neck

A

Investing Facia
Pretracheal
prevertebral
Carotid sheath

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2
Q

Investing fascia surrounds the neck as collar and when meeting The Sternomastoid o Trapeizus it splits to enclose the muscle then after trapezius attach to ?

A

Ligamentum Nuchae

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3
Q

layers of Neck ?

A

Skin
superficial fascia contaitnig platysma
Deep fascia :
investing
pretireaheal Visceral
prevertebral Vertebral
Carotid sheath Vascular

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4
Q

Carotid sheath enclosing ?

A

1-Carotid artery
2-Internal Jugular
3-Vagus

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5
Q

The roof of anterior and posterio triangles of neck formed by?

A

Investing deep Fascia

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6
Q

Investing Fascia
Surroundung neck as …….deep to …….is ?

A

collar
platysma

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7
Q

Investing deep fascia is ? لفافة الثنائيات ليه ؟

A

Investing 2 muscles : Sternomastoid - trapezius
investing 2 glands : submandiublar + parotid
Froming 2 spaces :
Suprasternal + supraClavicular
Froming 2 pullyes for digastric + omohyoid muscle

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8
Q

The investing fascia enclose 2 glands but separates them how?

A

Parotid + submandiublar glands
Separating them by thickening to form StyloMandibular ligament !

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9
Q

mention attachments of The investing Facia of NEck

A

Behind ligamentum nuchae + C7
ABOVE: external occipital protuberance superior nuchal line , mastoid process , base of mandible
anterior : symphisis menti thyroid ciricoid Maniburum
below : Maniburm + clavicle + scapule + then to Ligamnrtum nuchae
Continuous with that of opposite side aboce and below hyoid bone

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10
Q

Describe preTracehal fascia

A

enclosing Thyroid gland attaching it to Trachea
Lying in front of trachea deep to infrahyoid muscles
_______________
above : with Hyoid and oblique line of thyroid and Ciricoid cartilage.
below with Fibrous pericaridum or Adventia of Aortic Arch

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11
Q

imp of Pretracheal fascia ?

A

Provide slippery surface for free movment of trachea during swallowing

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12
Q

describe carotid sheath

A

attachments :
above: base of skull
below: adventia of aortic arch
anterior : pretracehal fascia
posterior :prevertebral fascia
___________________
contents divided to 2 division according to level of thyroid cartilage c34
Lower: CCA +IJV+Vagus
Upper : ICA + IJV+Last 4 cranial nerves
Embeded anteriorly loop like ansa cervicalis from c123 veentral rami
Emeded posteriorly
cervical sympathic chain
___________________

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13
Q

why internal and external carotid named like this ?

A

According to their conituity in carotid sheath
the internal continue so it is interna
the external exit so it is ,,,

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14
Q

Main supply of infrahyoid muscles ?

A

Ansa cervicalis c123 venetral rami

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15
Q

Fascia coveirng the mucsles of floor of posterio triangle ?

A

PREVERTEBRAL

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16
Q

pREvertebral Fascia coveing ?

A

Prevetebral muscles middle scalene
Cevical + Brachial pleuxes
Subclavian artery

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17
Q

nereve roots of cervical and bracical plexus lie …….subcalvian artery ?

A

Behind

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18
Q

Axillary sheath covers?

A

Subclavian artery & Brachial plexus

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19
Q

Attachments of Prevertebral Fascia
________________
Relations of it ?

A

Anterio carotid sheath
posterior : investing fascia + ligamentum nuchae
______________
amterior to it lying:
Pharynx +osepohagus
Larynx + trachaea
=Subclavian Vein =

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20
Q

Extent of Prevetrebral fascia

A

From base of skull extending to superior mediastium
t3.4 joinig anterior longitudinal ligament

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21
Q

Buccopharyngeal fascia covering?

A

Buccinator +
superior constiructo of pharynx
the space behind is retrophatyngeal space

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22
Q

Retropharyngeal between ?

A

buccopharyngeal + Prevertebral fascia
exteneding from base of skull down to superior mediatstium bounded from each side by carotid sheath

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23
Q

TB in cervical vertebra casuing ?

A

Infection spread behind prevertebral fascia may spread :
1-forward to posterio pharyngeal wall
2-lateral : posterior tiragnel
3-inferior : superior mediastiunm
__________

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24
Q

Infection in retrpharyngeal space

A

infont of preveterbral fascia
due to infection in retopharyngeal LN then RetroPharyngeal Abscess extending to parameidan palne anteiroly pusing pharynx
or infrerioly Till posterior mediastium

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25
Infection in front of pretracheal fascia leads to ?
Bulging of infection to suprastrenal area Anterior Mediastium
26
neck is between ?
Lower border of mandible and upper border of clavical and suprasternal notch
27
the .....divding neck into l......&<,,,,,,
Sternocleidomastoid Anterior + posterior Triangle
28
Mention boundaries of Posterior Triangle
Post of sternomastoid ant of trapizus apex joining of 2 muscles at superior nucal line base middle 1/3 of clavicle
29
Mention muscles of floor of post triangle
Scalenus anterior SLS Scalenus medius Levator scapulae Splenis capits semispinalis capitis ____________ covered by prevertebral fascia
29
mention components of Roof of posterior triagnle
Skin superficial fascia conating platysma Cutanuous branches of Cervical pleux External Jugular vein Deep investing Fascia __________________s[fojsfd
30
brachial pleux between ?
Scalenus anterior & Scalenus medius
31
spinal acessory pass above .... muscle in post triangle ?
Levator scapular
32
Muscles in posterior tiangle ?
inferior belly of omohyoid muscle dividing it into Occipital + Supraclavicular Triangles
33
LN In posterior triangle
Occipital SupraClaviclular LN
34
Nerves in posteiror triangle
Spinal Acessory Cervical Pleux Brahcial Plexus
35
Describe spinal accessory nerve
Descend obliquley deep to sternomstoid to appear in posterior triagnel at mid point of post sternomastoid then descends obliqule to be deep to trapezius during passing through post tirangle it is above levator scpaulae
36
Cervical pleux formed of
Ventral Rami of c1234
37
describe cut branch of cervical pleux
at mid point of post vorfer of sternomastid giving : Great auricular superior anteirorly Lesser occipital in post border of sternomastoid superiorly tranvere cerivcal : transverse supreclavicular inferiorly
38
local anastheis to midpont of post of sternomastoid casuing ?
Anasthesia in all cut branhes of cervical pleux Greater auricualr lesser occipital transverse cervical supraclvicular Called Cutanuous Nerve Block
39
Root and trunck of brachial pleux between ?
Scalenus ant & medius
40
upper and middle trunk pass,,.......sublclaian artery but lower trunk .......
Above below covered by prevertebral fasica
41
...part of subclavian artery between ant scalene and middle scalene ?
third
42
Subclavian artert contiue as axillary artery at
oute boder of firs rib
43
Subclavian atery and vein separated by ?
Scalenus anterior
44
65% THIRD Subclavian gives ?
deep branch of transverse cervical artery
45
mention arteries of the post triangle ?
Third part of subclavian ________________ Thyrocervical trunk of first part subclavian branches : 1-suprascapular 2-transverse cervical __________________ Occipital Of ECA
46
EJV Tributaries and drainage
Tri: sta Suprascapular vein transverse cervical vein anterior jugular vein posterior external juglar _______________ drains into Subclavian vein
47
EJV ?
one of the superificla compnent of posterio triangle superifical to investing layer crossing the sternomastoid descneding vertically to a finger breadth above clavicle to pirece deep fascia to drain into subclavian vein as the only tribuitary for it
48
subclavian vein is ?
Cotiuation of axillary vein at oute border of first rib receing its olnly triubray the EJV Lying anterior to scalnes anteiror
49
Clinical imp of EJV
indicate venous pressure apply canula: Rough measue of venous pressure Fluid infusion
50
External jugular veins sereves as Internal barometer ?
لانه لو الضغط عادي بيبقي باين شوية مش واضح قوي لكن لو الضغط الوريدي عالي هيبقي باين جدا في مساره كله
51
5 GROUPS OF CONTENTS
1-1MUSCLE 2-2LN 3-3N 4-4A 5-5V
51
5 GROUPS OF CONTENTS
1-1MUSCLE 2-2LN 3-3N 4-4A 5-5V
52
قل الحمدلله وسلام علي عباده الذين اصطفي آلله خير أما يشركون أمن خلق السماوات والأرض وأنزل من السماء ماءا فأنبتنا به حدائق ذات بهجة ما كان لكم أن تنبتوا شجرها ءإله مع الله بل هم قوم يعدلون __________________
53
"يا أبتِ إني إخاف أن يمسك عذاب من الرحمن فتكون للشيطان وليا "
54
Sternomastoid muscle has 2 heads mention
Sternal head from anterior surface of manibrum sterni Clavicualr head from upper surface of medial 1/3 of clavcile to be inserted into Mastoid process & Lateral 1/3 of superior Nucehal line _________________
55
nerve supply to sternomastioid mention it
Motor : spinal accessory nerve Sensroy propriceptive : Ventral Rami of C2,3
56
Show superifical relations of sternomastoid
Superficial: Skin superficial fascia :Platysma + EJV + bRANCHES Of cervical pleux Greater auricular +Transverse cervical + supraclavicular ______________ deep fascia Parotid gland
57
Mention lower deep relations of Sternomastoid
SCI : SternoClavicualr joint Subclavian 1st Carotid sheath InfraHyoid Muscle
58
Mention middle deep relations of sternomastoid
Structures Muscles nerves vessels LNs ________________ Structures: Thyroid + Carotid Sheath Muscles:prevertebral +Scalene Nerves :- Ansa Cervicalis + Brachial+Cervical Pleux + phrenic nerve Vessels : External carotid and its branches LNs:Deep cervical LNs
59
Upper deep relations of sternomasotid mention
Bone :mastoid process muscles attached to it Arteries : Occipital Nerves : Spinal acessory will supply trapeizus
60
Show actions of sternoMastoid
From one side : Tilting neck at that side and Face turning to opposite side Form both sides: flexion of head to anterior Can pull the thoracic cage upward during Inspiration
61
Superficial structures in the median region of neck
Symphysis menti Mylohyoid ligament Hyoid bone Thyrohyoid ligmant median Thyroid cartilage ciricothyroid ligament Circioid cartilage CiricoTracheal lig First Tracheal Ring Levator Glandulae thyroidae Isthmus of Thyroid
61
Superficial structures in the median region of neck
Symphysis menti Mylohyoid ligament Hyoid bone Thyrohyoid ligmant median Thyroid cartilage ciricothyroid ligament Circioid cartilage CiricoTracheal lig First Tracheal Ring Levator Glandulae thyroidae Isthmus of Thyroid
62
Suprasternal notch structures Mention
TIBJ -Trachea -Inferior Thyroid veins -Part of Brachiocephalic artery Jugular ach connecting to anterior Juglar veins
63
Boundaries of Anterior Triangle mention
Anteriorly : anterior midline of neck Posteriorly: anterior border of Sternomastoid Superiorly : inferior border of Mandible + line from mastoid to angle of Mandilbe
64
How is the anterior triangle divided and to what?
By Hyoid bone + Digastic + Supeiror belly of Omohyoid muscle __________________ to 3 1/2 Triangles Digastric Submental carotid Musclar
65
Describe submental Triangle
It is Median Triangle by connection of the anterior 2 triangle the between chin and hyoid bone ______________ Base= hyoid bone apex = sympheis menti each side = anterior belly of diagastric floor : 2 mylohyoid + meidan raphae ______________ Half of the triangle bounded apex sympheis menti base hyoid side anterior b diagatric
66
Mention Contents of Submental Triangle
1-submental LNs 2-Submental Vein +artery 3-Small veins forming anterior juglar veins 4-Mylohyoid Nerve and vessels
67
Mention boundaries of digastric tirangle
Base: inferior border of Mandible + line between angle of Mandilbe + Mastoid process ___________ anteiror : anterior belly of digastirc posteiror : posterior posterior belly of digastric + stylohyoid muscles ____________ superifical : skin superficial fascial + deep fascia splitting enclosing the submandibular slaivary gland Floor : Mylohyoid + Hyoglossus
68
List contents in the anterior part of digastric Triangle
3S 1Submandiublar salivary glands + submandiublar LNs Facial veins seuprficial to gland and facial artery deep to it ________________ 2Superficial to myolyoid muscle : Mylohyoid nerve +vessels submental vessels _______________ 3Superficial to hyoglossus Lingual nerve suspending submandiublar gnaglion Submandibular gland + duct Hyoglossal nerve
69
Mention contents of Posterior part of The digastric tirandle
Lower parotid ECA Caroid sheath: ICA IJV Vagus
70
Mention Boundaries of Carotid Triangle
Ant : supeiror belly of omohyoid post: anterior sternomastoid superiorly: post belly of digastric ______________ roof skin Superifical fascia +investing deep fascia Floor : 2 anterior +2post ant : hyoglossus + thyrohyoid Post: middle + inferior constrictors
71
Mention contents of Carotid Tirangle
Caroootid ?! arteires1 Common carotid ICA ECA with 5 SALFO branches Superior thyroid Ascending pharyngeal Lingual Facial Occipital ________________ Veins : IJV + Tributaries Superior thyroid Pharyngeal Lingual common facial __________ Nerves : last 3 cranail nerves : Vagus + Spinal accessory + Hypoglossal _________________ Ansa cervicalis :anterior Sympathatic chain: post __________________ Carotid Sheath : ICA +IJV +Vagus Deep Cervical LNs __________________
72
Metion borders and contents of Musclar Triagnle of anterior neck Triangle
ANterior : Median line of neck posterior : posterosuperiolry: superior omohyoid posteroinferior ant sternomastoid ___________________ roof: skin superifical facia and deep investing fascia Floor : preTracheal Fascia ____________ contents infrahyoids
73
List Infrahyoid muscles
Sternohyoid sternothyroid thyrohyoid Omohyoid
74
Sternohyoid and sternothyroid compare origin and insertion
Origin : sternohyoid from back of maniburum and medial calvical Sternothyorid from back of maniburum and medial first costal cartialge ____________ insertion : Sternohyoid in lower border of hyoid Sternothroid Oblique line of thyorid cartilage
75
Sternothyroid and thyorid hyoid compaer origin and insertion
Sternothyroid : from back of manicbum and medial first costal cartigle to oblique line of thyroid cartilage ThyroHyoid from oblique line of thyroid cartilage to lower boeder of hyoid and its greate cornu
76
Describe omohyoid
Superiro belly from lower border of hyoid and Inferior belly from superior scapula + supreaScapular ligament to the intermediate tendon that is attached to clavical via Fascial Sling
77
All infrahyoid muscles supplied by Ansa Cervicalis from c123 except ?
Thyrohyoid by C1 fibers accompanying hypoglossal Nerve
78
Illustarte the structure of Ansa cervicalis
Descending Hypoglossi + Descnding Cerivalis ___________ superior limb descending hypoglossi from c1 fibers some of them accompany hypoglossal nerve and the others decends as superor limb of Ansa lower limb descedning cervicalis from c2,3 fibers infront of IJV _____________________ Supply infrahyoids except thyrohyoid muscle
79
Show Actions of Infrahyoid
SternoHyoid : depress hyoid bone Omohyoid : depress hyoid Thyrohyoid: derpess hyoid + elevate larynx Sternothyorid : depress larynx ____________ so 3 depress hyoid : Sternohyoid + Thyrohyoid + omohyoid 2 antagoistics: Sterothyroid VS Thyrohyoid
80
" يا أبت إني أخاف أن يمسك عذاب من الرحمن فتكون للشيطان وليا " !

A-CNS Anatomy (27 decks)

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