Anatomy- Osteology and Arthrology Flashcards
What U-shaped bone lies at the level of C3?
Hyoid
What bones make up the auditory ossicles?
Malleus, Uncus, Stapes
What bone forms the posterior portion of the hard palate?
Palatine bones
What prominence on the mandible forms the prominence of the chin?
Mental Protuberance
What nerve passes through the mandibular foramen?
Inferior alveolar nerve
What bone forms the posterior part of the nasal septum?
Vomer
What suture separates the frontal bone from the parietal bones?
Coronal suture
What is the easily palpable, external occipital protuberance on the medial plane between the inferior and superior nuchal lines of the occiput?
The inion
What is contained within the intervertabral foramen?
Spinal nerves
Intervertebral artery, vein, lymphatic channels
Adipose tissue
Peripheral nerve roots and meningeal sleeves
What vessels and nerves pass through the intervertebral foramen?
Intervertebral artery, veins, lymphatic channels, spinal nerves
What exits through the stylomastoid foramen?
The facial nerve
What passes through the mandibular foramen?
Inferior alveolar vessels and nerves
What passes through the mental foramen?
The mental nerve (branch of the mandibular division of the trigeminal nerve) and the mental artery
What passes through the foramen rotundum?
The maxillary nerve (V2, division of the trigeminal nerve)
What passes through the foramen ovale, located on the sphenoid bone?
The mandibular nerve (V3, division of the trigenimal nerve)
What passes through the supraorbital foramen?
The supraorbital nerve (A branch of the ophthalmic division of the trigeminal nerve)
What passes through the infraorbital foramen?
The infraorbital nerve (a branch of the maxillary division of the trigeminal n)
What passes through the transverse foramen?
the vertebral artery
What passes through the optic canal?
optic nerve (CN II) Opthalmic artery
What makes up a typical vertebra?
Vertebral body
2 pedicles
2 lamina
2 TPs, 4 articular processes, 1 SP
Which are the true/movable vertebrae?
cervicals, Thoracics, lumbars
What are the false/fixed vertebrae?
sacrum, coccyx
What forms the boundary for the intervertebral foramen?
Superior and inferior vertebral notch
Where does head flexion take place?
Between the atlas and the occiput
Where does head rotation take place?
Between the atlas and the axis
What ligament spans the inside of the vertebral foramen on the posterior side?
ligamentum flavum
Which of the cervical vertebrae are atypical?
C1, C2, C7
Which of the thoracic vertebrae are atypical?
T1, 9, 10, 11, 12
Which of the lumbar vertebrae are atypical?
L5
Which sections of the spine make up the primary curve of the spine?
Thoracic and pelvic curves (kyphotic)
Which sections of the spine make up the secondary curve of the spine?
cervical, lumbar (lordosis)
What type of curve is the lordotic curve?
secondary
What type of curve is the kyphotic curve?
primary
How many true ribs are there?
7
What constitutes a true rib?
The first 7 ribs that are attached to the sternum by their own costal cartilage
Which ribs are called vertebrochondral ribs?
Ribs 8, 9, 10
Which ribs are typical ribs?
Ribs 3-9
What constitutes a typical rib?
Contain a head, tubercle ad shaft
Which is the most curved, broadest and shortest rib?
Rib 1
Which ribs have only one facet each on their heads?
Ribs 10 and 12
What structure gives elasticity to the thoracic wall?
costal cartilage
What part of the sternum lies at the level of T3/T4?
Manubrium
What portion of the sternum lies at the level of T10?
Xyphoid
What joint forms the junction of the xiphoid and the the sternum?
Xiphisternal joint
What are the three angles of the scapula?
Inferior, superior and lateral angles
What are the 4 fossa on the scapula?
supraspinatous fossa
infraspinatous fossa
subscapular fossa
glenoid cavity
What are the 2 tubercles on the scapula that are superior and inferior of the glenoid cavity?
supraglenoid tubercle
infraglenoid tubercle