Neck Osteology, Chondrology, and Arthrology Flashcards
What typically causes fractures of the hyoid bone?
strangulation –> depression of hyoid bone onto thyroid cartilage –> difficulty swallowing and maintaining separation of eating and breathing tracts
What is transmitted through the mastoid foramen?
mastoid emissary V and meningeal branch of occipital A
What is transmitted via the sytlomastoid foramen?
fascial N
What is the other name for the inion?
external occipital protuberance
What is th superior limit of the neck?
superior nuchal line
What muscle inserts on the coronoid process of the mandible?
temporalis M
What is transmitted through the mandibular foramen?
alveolar N and A
What is transmitted through the mylohyoid groove?
mylohyoid N
What is transmitted through the mental foramina?
mental N and A
What is the significance of the mylohyoid line?
origin of mylohyoid M
What is the significance of the mental spines?
project posteriorly
orgin for geniohyoid and genioglossus ms
What is the significance of the digastric fossa?
lateral to mental spines
origin for the anterior belly of the digastric ms
What are the 2 parts of the cricoid cartilage?
arch = narrow, anterior aspect
lamina = wider, posterior aspect
Where is the corniculate cartilage?
rests superiorly on the arytenoid cartilage at the apex
Where is the cuneiform cartilage?
embedded in quadrangular membrane
Where is the triticeal cartilage?
embedded in the lateral thyroihyoid L
What occurs in a fracture of laryngeal cartilages?
typically result of a blow to anterior neck –> submucosal hemorrhage and edema, respiratory obstruction, hoarseness, sometimes inability to speak
What are intervertebral joints?
symphyses
What type of joint is C1/C2?
coumpound synovial = planar and trochoid
What type of joint is the zygopophyseal?
planar synovial
What are uncovertebral joints?
in cervical vertebra btw uncinate process of inferior vertebra and beveled inf surface of superior vertebra
What does the posterior longitudinal ligament turn into in the neck?
tectorial membrane
What does ligamentum flavum turn into in the neck?
posterior atlantooccipital L
What does the anterior longitudinal L turn into in the neck?
anterior atlantooccipital L
What typ of joint is the atlantooccipital joint?
condyloid synovial