Bones-1 Skeletal System & Skull Flashcards
What are the main bone groups of the axial skeleton? Are the clavicle and scapula a part of the axial skeleton?
Skull, vertebra, ribs. Nope.
What are extra bones that develop within a suture line?
Wormian or sutural bones
What are bones that form within tendons due to stress?
Sesamoid Bones (Patella)
What is a fovea?
It is an opening in a bone to allow for nerve attachment. Fovea=pit in Latin
What is an x ray taken from an inferior view of the hard palate to see a patient’s sinus?
Water’s View X-ray
Which process on the lateral skull is palpable?
Mastoid Process
What portion of the temporal bone houses the small ear bones?
The Petrous Part of the Temporal Bone
What is the Turkish Saddle of the Sphenoid? What does it house?
Sella Turcica, the Pituitary
What are the three foramen of the sphenoid, Ant to Post?
F. Rotunda, F. Ovale, F. Spinosum (LACERUM)
What are the four paranasal sinuses?
Frontal, Sphenoid, Ethmoid, Maxillary (can you point them out?!)
What is the syndrome that results in inappropriate removal of the nasal conches for a deviated septum?
Empty Nose Syndrome
What separates the brain tissue from direct contact with the bone?
The meninges
What is the large hole at the base of the cranium that brain stem passes through? If the brain swells this can cause death. Which Bone of the skull is it found?
The Foramen MAGNUM. Occipital Bone
What is the function of the cranium?
Protection of the brain and associated sense organs
What are the two parts of the cranium?
Calvaria (skullcap) & cranial base
What are the three fossae at the base of the cranium? What parts of the brain do they hold?
Anterior-Frontal Lobe; Middle-Temporal Lobe; Posterior-Cerebellum
What are the 6 Cranial Bones?
1.Frontal 2.Parietal(2) 3.Temporal(2) 4. Occipital 5. Sphenoid 6. Ethmoid
What do ER doctors tap on the forehead to check for trauma?
The Glabella (smooth area above the root of the nose)
What are the three main structures of the frontal bone?
Coronal Suture, SupraOrbitalForamen, Glabella
What are the four sutures of the parietal bone? What is the intersection of all of these? What Artery is directly underneath this intersection?
Sagittal, Coronal, Lamboid, Squamous. They meet at the PTERION “TERRY-ON”. The Middle Meningial Artery.
Which region of the Temporal Bone is palpable?
The mastoid process
What is the most complicated bone in the skull?
Sphenoid
What are the two features of the Petrous Part of the Temporal Bone? (Besides Housing the Incus, Stapes, and Malleus)
Receptors for hearing & BALANCE! ; Opening for C.N. VIII (Auditory/Vestibulocochlear Nerve)
What is a fracture that separates the facial bones from the cranial bones?
LeForte Fracture
Where does the Altlas (C1) Vertibra articulate with the Skull?
Occipital Condyles
Which canal and nerve passes through the occipital portion of the skull and innervates the tongue?
Hypoglossal Canal transmits the hypoglossal nerve CN XII
Point out the sphenoid sinus.
Kind of have to have a picture eh?
Which skull bone has lots of air cells/cavities? Very Unique..
Ethmoid
Which skull bone houses to the cribiform plate?
Ethmoid
Which C.N. runs through the Cribiform plate?
Olfactory Cranial Nerve I
What is the attachment point for the meninges on the ethmoid bone?
The Crista Galli(Rooster Comb) of the Cribiform Plate
Where is the labyrinth of the ethmoid?
EACH SIDE of the perpendicular plate
What are the 2 scroll like plates of the ethmoid that project into the nasal fossa?
Superior and Middle Nasal Conchae
Which Nasal Conche is its own bone?
Inferior Nasal Concha (Is it on the Maxilla?)
What are the two main functions of the Three Chonchae?
- Create Turbulence of Air Flow 2. Humidify air before it reaches lungs
