Muscles and osteofascial compartments of the neck ... · Neck muscles -innervation • MUSCLES •...
Transcript of Muscles and osteofascial compartments of the neck ... · Neck muscles -innervation • MUSCLES •...
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Muscles and osteofascial compartments of the neck, innervation. Vascular and nervous stems in the neck
MUDr. Veronika Němcová CSc.
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SCM
TROH
Mm.scaleniLS
SC
SH
TH
ST
Dig
StyloH
Hyoglossus
Muscles of the neck
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Neck muscles -innervation• MUSCLES • from the 1-st branchial arch V/3 – m.mylohyoideus,
m.digastricus v.a.• from the 2-nd branchial arch VII – m.stylohyoideus,
m.digastricus, m. platysma• in the superficial fascia XI - m.sternocleidomastoideus,
m.trapezius• infrahyoid ansa cervicalis profunda (C1-C3) –
m.sternohyoideus, m.sternothyroideus, m.thyrohyoideus, m.omohyoideus
• deep cervical muscles anterior branches of cervical nerves– m.scaleni, m.longus colli, m.longus capitis, m.rectus capitis ant.+lat.
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Neck muscles layers
• 1-m.platysma• 2-m.sternocleidomastoideus,
m.trapezius• 3-mm.suprahyoidei +
mm.infrahyoidei• 4-mm.scaleni, m.longus capitis,
m.longus colli, m.rectus capitis ant., m.obliquus capitis ant.
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F
F.colli superficialis
F.colli media(pretrachealis)
F.colli profunda(prevertebralis)
Neck fascias
Spatium retroviscerale
Spatium suprasternale
Spatium pretracheale
Vagina carotica
Spatium paraviscerale
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Suprahyoid and infrahyoid muscles
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Suprahyoid and infrahyoid muscles
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Mylohyoid and geniohyoid
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Styloid septum muscles
posterior belly of digastricus
stylohyoid
styloglossusstylopharyngeus
prestyloid space – external carotid arteryretrostyloid space – internal carotid artery
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SPh
SG
S-H
DiSCM
Styloid septum muscles
crossection
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Submandibular triangle
mandible
Digastricus - posterior belly
SH
hyoid boneDigastricus - anterior belly
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mylohyoid
hyoglossus
Submandibular triangle
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M.mylohyoideus
Gl.submandibularisA.facialis
V.facialis
A.submentalis
r.mylohyoideus
Submandibular trianglesuperficial layer
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TS
LF
CI CE
JI
Lingual nerve and submandibular ganglion
Submandibular duct
Arcus n.XII
Submandibular triangledeep layer
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Lingual artery in the Beclard´s angle
Trigonum Pirogovi
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Beclard´s angle and trig.Pirogov´s trigon
A.lingualis
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Trigonum submandibularesuperficial layer
Nodi lymfatici cervicales profundi
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Trigonum submandibularedeep layerrepetition
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Regio colli anterior - muscles
Platysma
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Internal jugular vein and omohyoid
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Regio colli anteriorsuperficial and pretracheal fascia removed
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Infrahyoid muscles
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Infrahyoid and deep neck muscles
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Deep neck muscles
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Scalene muscles
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Neck-deep layer
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Anterior neck region
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Anterior neck region – infrahyoids removed
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Anterior neck region – infrahyoids removed
Arcus venosus juguli
v.thyroidea inferior
Ansa cervicalis
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Head and neck regions
Trig. caroticum
Trig.submandibulare
Trig.submentale
Trigonum omoclaviculare
Trig.omotrapeziumP A
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Head and neck region carotid triangle
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SCM
OH
DGvp
Trigonum caroticumborders
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Trigonum caroticumcontent
C3-4 common carotid
External carotid artery branches:3 anterior2 -3 posterior1 medial2 terminal
internal external
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Trigonum caroticumcontent
C3-4
A.facialis
A.lingualis (Beclard´s angle)
A.thyroidea sup.
N.XII (arcus n.hypoglossi
N.laryngeus sup(z n.vagus)
V.jugularis interna
Radix superior ansae cervicalis
A.occipitalis
A.auricularis post
External carotid artery branches:3 anterior2 -3 posterior1 medial2 terminal
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TS
LF
IJ IC
SPh
Dig
R.SCM
Tongue muscles
Infrahyoids
Vascular and nervous bundle of the neck
Schema of the neck muscles and vesselsarrangement
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Platysma
Punctum nervosum(Cervical plexus – general sensory branches)
Lateral neck region
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V.jugularis externa
Nn.supraclaviculares
N.transversus colli
N.auricularis magnus
N.occipitalis minor
Sternocleidomastoid region –fascia colli superficialis removed
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Plexus brachialis
Omoclavicular and omotrapezoid triangle
in the scalene fissure !
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Krk zboku hluboká vrstvaLateral neck regiondeep layer
Truncus sympaticus(f.colli profunda)
N.vagus(vagina carotica)
N.frenicus(m.scalenus ant.)
3 vertically running nerves !!!
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A.vertebralis
Tr.thyreocervicalis
A.subclavia
A.transversa colli
Plexus brachialis
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Superior thoracis aperture
vv. brachicephalicae
VCS
Plexus brachialis
a. subclavia
v. subclavia
N.frenicus
n.vagus
Tr.sympaticus
Ductus thoracicus
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Superior thoracis aperturerepetition
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Superior mediastinumcrossection
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Neck crossection repetition
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Sources• Petrovický et al., Anatomie I• Grim, Základy anatomie• Čihák, Anatomie I• Sobotta, Atlas anatomie člověka• Bertolini/Leutert, Atlas der Anatomie des
Menschen• Netter, Atlas • Grayś Anatomy
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