Neck Arthrology, Chondrology, Osteology Flashcards
between what two layers of fascia is the “danger zone”
pretracheal layer of deep cervical fascia and prevertebral layer of deep cervical fascia
“danger zone” AKA retropharyngeal space
between what structures can infection travel within the retropharyngeal space?
head => thorax
to what structure can an infection between the investing and VISCERAL pretracheal deep cervical fascia spread?
mediastinum
to what structure can an infection between the investing and MUSCULAR pretracheal deep cervical fascia spread?
manubrium of sternum
what structures are held within the carotid sheath?
vagus n
common carotid a
internal jugular v.
what structures are surrounded by the pretracheal layer of deep cervical fascia
pharynx and larynx
also esophagus, trachea, thyroid gland and infrahyoid ms.
which layer of the deep cervical fascia is the most superficial?
investing layer
what structures moves with phonation and respiration?
conus elasticus
also cricoarytenoid l
on what structure is the cuneiform cartilage embedded?
quadrangular membrane
between what two structures does the cricotracheal ligament run?
cricoid cartilage and 1st tracheal cartilage segment
what ligament attaches to the hyoid bone and bends w/ swallowing?
hyoepiglottic l
where is the triticeal cartilage found?
lil bean embedded in the lateral thyrohyoid cartilage
what ligament wraps around the dens, holding it in place?
transverse l. of the atlas
what injury is usually a result of a blow to the anterior neck, such as compression by seatbelt in MVA?
laryngeal cartilage fx
what are the sxs of laryngeal cartilage fracture?
hoarseness
submucosal hemorrhage & edema
respiratory obstruction => dyspnea
temporary inability to speak
