Bones-2 Fascial&Vertebral Flashcards
What is the name of the suture that joins the 2 maxilla bones? What type of suture is it?
Intermaxillary Suture. A butt/plane joint!
What are the two main fissures/foramen of the maxilla pertaining to the wall of the orbit?
The infraorbial foramen and the Inferior orbital fissure
What is the procedure to clear the maxillary sinus?
Caldwell-Luc Procedure
Does the Palatine contribute to the eye orbit?
Yes, VERY small spot on the floor
Does the Palatine contribute to the nasal cavity?
Yes, the lateral wall
Where is the Palatine Foramen? What is its Dental significance?
Right by the Third Molars. It can be injected with anesthetic for a block of the quadrant
Where can I find the Zygomatical Foramen?
Lateral to the maxillary infraorbital foramen
Which part of the orbit is made of Lacrimal Bone? What is the lacrimals fun trivia?
Medial, Think lacrimal duct! ITS the SMALLEST bone of the skull!
What 2 bones do the nasal bones articulate with?
Frontal & Maxilla
Which is the largest Concha?
The Inferior Concha. It is its own bone!
What two bones form the nasal septum?
The Volmer (inferior) and the Perpendicular Plate of the Ethmoid(Superior)
What diaphragm covers the Pituitary Gland in the Turkish Saddle (Sella Turcica)
The Diaphragm of Sellae
What is the STRONGEST bone in the Skull?
The mandible
What is the official name of the point of the chin?
Mental Protuberance
Where is the mental foramen?
Below the root of the second premolars #20 and #29
What is the insertion point for the temporalis muscle?
The coronoid process of the mandible
Where is the mandibular notch?
In between the coronoid and condyle
Where is the mandibular foramen?
Straight down from the mandibular notch
What are the three auditory ossicles?
Incus, Stapes, Malleus
How does the hyoid stay in place?
No, suspended from the styloid process of the temporalis bone by the STYLOHYOID muscle. Hard name, I know.
What is evidence of strangulation? If you get this wrong, I will strangle you.
The hyoid bone is broken.
What kind of cartilage is the adam’s apple? Hint its a gland that it surrounds..
Thyroid Cartilage
Which Cranial bone began as two separate bones at birth, but fuse into one bone by 6 years old? What is the name of this special suture?
Frontal Bone. Metopic Suture
What are the soft spots in a baby’s head?
Fontanels
How many vertebrae are there in the human body? Whats the beak down for each section?
33 total. 7 Cervical, 12 Thoracic, 5 Lumbar, 5 Sacral, Coccyx 4 (fused)
What shape is Primary Curvature at birth?
a “C” shape. Pic of man with baby in hands
What are the four normal curvatures?
One for each region, eh?! Cervical, Thoracic, Lumbar, Pelvic
What is the name he gave for the thoracic curvature of the spine?
Inflection Point
What is abnormal Lateral curvature of the spine?
Scoliosis
What is abnormal thoracic curvature of the spine?
Kyphosis (Hunchback) Osteoperosis
What is abnormal lumbar curvature of the spine?
LORDE-osis(swayback) Prego/Obesity
What is found in the body of a general vertebra?
Red Bone Marrow
What is the large hole posterior to the Body of a vertebra? What can you find inside of this large hole?
The vertebral foramen. The Spinal Cord!
MUY IMPORTANTE! What are the two components of a vertebral disc?
Inner: Nucleus Pulposus Outer: Anulus Fibrosis
Which structure to you cut on the vertebra to access the spinal cord? What part do they “throw in the trash”
The Lamina (Laminectomy). They throw the Spinous Process away
What are the five main parts of the arch of a vertebra?
1.The Vertebral Arch (Whole Structure around the Spinal Cord so Lamina and Pedicle) 2.Spinous Process (On the Arch) 3. Transverse Process (on the Arch) 4. Superior Articular Process (On the Arch) 5. Facets (Inbetween Pedicle and Lamina on Arch)
What are the openings for the branches of the spinal cords?
The Intervertebral foramen.
Is there an intervertebral disc between C1 (atlas) and C2(axis)?
Nope, the first place we see one is between C2 and C3.
