Lecture 17: Neck I Flashcards by Riley Hrasky

the Stylohyoid articulates w/ the ______ via the _______ cartilage

temporal bones via the tympanohyoid cartilage

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what does the thyrohyoid articulate w/

the thyroid cartilage

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what is the origin of the Splenius

T1-T3 spines and cervical midline raphe

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what is the insertion of the Splenius

nuchal crest and mastoid

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what innervates the Splenius

dorsal rami

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what is the action of the splenius

extends head and neck, some lateral bending of the cervical region

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what are the most ventral (and hypaxial) of the cervical vertebral muscles

longus and scalenus muscles

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what are the 4 rectus muscles

rectus capitis dorsalis major
rectus capitis dorsalis minor
rectus capitis lateralis
rectus capitis ventralis

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what are the 2 oblique muscles of the vertebral column

obliquus capitis cranialis
obliquus capitis caudalis

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what muscle type is specific to fine control of the atlantoaxial and atlantooccipital joints

capitis muscles

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what are the 3 deep fascia compartments of the neck

Cartoid sheath
pretracheal fascia
prevertebral fascia

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what are the 2 primary cutaneous muscles that cover the neck

Cutaneous colli
platysma

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in ungulates, the cutaneous colli is well developed near the ______

manubrium

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what is the origin of the Sternocephalicus?

first sternebra (manubrium)

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what is the insertion of the Sternocephalicus?

mastoid and nuchal crest

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what innervates the Sternocephalicus?

accessory nerve (CN XI)

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what is the action of the Sternocephalicus?

lateral and ventral flexion of the neck

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what is indicated by green arrow

thoracic inlet
- space bounded by 1st ribs, sternum and T1 vertebra

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what is shown by red arrow

mastoid process

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what is shown by blue arrow

nuchal crest

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what is shown by green arrow

external occipital protuberance

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what is shown by red arrow

mastoid process

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what is shown by blue arrow

nuchal crest

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what is shown by green arrow

external occipital protuberance

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what is shown by red

jugular foramen

what is shown by blue

hypoglossal canal

what is in green

occipital condyle

what does blue arrow point to

hyoid apparatus - series of bones running from the temporal bones of the skull into the neck, supporting the tongue, larynx, pharynx

what does the red arrow point to

laryngeal cartilages

what is shown in green

stylohyoid of hyoid apparatus - articulates w/ the temporal bone via tympanohyoid cartilage

what is shown in red

basihyoid - unpaired bone anchored in the musculature of the base of the tongue

what is shown in black

thyrohyoid

what are the epaxial muscles of the head and neck

- spinalis - semispinalis - longissimus

what muscle is shown by green arrow

longus colli found along the cranial thoracic vertebral bodies and transverse processes

what muscle is shown by blue arrow

longus capitis lateral to the longus colli

what muscle is shown by red arrow

scalenus group of muscles from the caudal cervical vertebrae to the cranial ribs

what muscle is shown by blue arrow

rectus capitis doralis minor

what muscle is in orange

obliquus capitis caudalis

what muscle is green

rectus capitis dorsalis major

what muscle is in red

rectus capitis lateralis

what muscle is in purple

rectus capitis ventralis

The carotid sheath compartment (GREEN) includes...

common carotid artery internal jugular vein vagosympathetic trunk

the pretracheal fascia compartment (BLUE) includes..

muscles and viscera of ventral neck

the prevertebral fascia compartment (RED) includes...

all muscles associated w/ vertebral column

what muscle is shown by blue arrow

platysma

what muscle is shown by green arrow

cutaneous colli

what muscle is shown by red arrow

Cleidocervicalis (Brachiocephalicus)

what muscle is shown by green arrow

Trapezius cervicis

what muscle is shown by blue arrow

omnotransversarius

what muscle is shown by purple arrow

Cleidomastoideus

what muscle is shown in green

Sternocephalicus - The most ventral of the (non-cutaneous) neck muscles

what muscle is shown by blue arrow

Sternothyroideus

what muscle is shown by green arrow

Sternohyoideus

what muscle is shown by red arrow

Thyrohyoideus

what muscle is shown in blue

sternohyoideus

what muscle is shown in green

what muscle is green

splenius

what muscle is blue

semispinalis

what muscle is red

rectus capitis dorsalis major

what muscle is purple

obliquus capitis caudalis

what muscle is dark blue

longus colli

what muscle is brown

longus capitis

what muscle is blue

Brachiocephalicus (Cleidomastoideus)

what muscle is green

strenocephalicus

what muscle is red

sternohyoid

what muscle is pointed to in purple

sternothyroid

Lecture 17: Neck I Flashcards

(66 cards)