Card Set Information
What are the 3 nerves associated with the neck?
recurrent laryngeal n., vagosympathetic trunk, accessory n.
What are the 2 main vessels of the neck?
external jugular v. and common carotid a.
What 4 structures are enveloped in the carotid sheath?
common carotid a., vagosympathetic trunk, internal jugular v., tracheal lymphatic trunk
The accessory n. goes into the ____________. (This is how you ID it on a cadaver)
The external parathyroid gland is located at the ___________ aspect of the ___________.
craniolateral; thyroid gland
The 3 types of lymph nodes in the neck.
superficial cervical ln., medial retropharyngeal ln., mandibular ln.
The medial retropharyngeal ln. is located ________ to the __________.
caudal; digastricus m.
The madnibular ln. are located _________ to the ___________.
ventral; mandibular salivary glands
The nuchal ligament is not present in _______.
The nuchal ligament i elastic tissue that runs from ___________ to the _______ on either side of the head.
spine of T1; axis (C2)
The function of the nuchal ligament is to...
support the head
What is the vertebral formula?
C7 T13 L7 S3 Cd20
The atlas (C1) is atypical in ________ and _________; it articulates with the ___________ of the skill cranially to form the ____________.
structure; function; occipital condyle; atlanto-occipital joint (yes joint)
What is the function of the atlanto-occipital joint?
flexion and extension
The atlas articulates caudally with the __________ forming the ____________.
axis; atlantoaxial joint (no joint)
What is the function of the atlantoaxial joint?
Dorsal trunk musculature from the skull to the wing of the ilium.
The ________________ must be separated and detached when access to the vertebral column is needed during spinal surgery.
3 parallel longitudinal masses composed of overlapping fascicles that make up the epaxial muscles. (lateral to medial)
Illiocostalis system, longissimus system, transversospinalis system
What are the functions of the epaxial muscles?
extension of the vertebral column, lateral movement of the trunk when acting only on one side
Muscles closely related to the trachea and esophagus; the superficially located muscles include: (5)
brachiocephalicus, sternocephalicus, sternohyoideus, sternothyroideus,scalenus mm.
Muscles that lie on the ventral surfaces of the cervical vertebrae.
What are the hypaxial muscles from lateral to medial?
longus capitis, longus colli mm.
What are the functions of the hypaxial muscles?
flexion of the vertebral column to draw the neck downward
How do the hypaxial muscles draw the neck downward?
contract L. capitis and flex the atlanto-occipital joint