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Skeletal System 1
n/a
64
Anatomy
Undergraduate 3
08/29/2012

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Cards

Term
What is the Neurocranium?
Definition
The brain box.
Term
What does the Neurocranium include?
Definition
Calvaria and Cranial Base
Term
What is the calvaria?
Definition
Skull cap
Term
What is the Cranial Base?
Definition
The floor of the carnial cavity. Has three shelfs: Anterior, Middle, and Posterior Cranial Fossa
Term
What is the viscerocranium?
Definition
The facial skeleton?
Term
What does the viscerocranium include?
Definition
Orbits
Nasal Cavities
Hard Palate
Zygomatic Arch
Infratemporal fossa
Term
What are the orbits?
Definition
The eye holes
Term
What are the nasal cavities?
Definition
2 cavities for space for the nose; Bony nasal septum and the pirifor aperture
Term
What is the bony dividing wall between the bisecting cavities in the nasal cavity?
Definition
Bony nasal septum
Term
What is the pear shaped outlet of the nose called?
Definition
piriform aperture
Term
What is the bony portion of the roof of the mouth called?
Definition
Hard palate
Term
What is the zygomatic arch?
Definition
below the eye bridge of cheek to ear.
Term
The depression below the zygomatic arch is called?
Definition
infratemporal fossa
Term
What are sutures?
Definition
fibrous joints. they "glue the cracks"
Term
What is the rainbow sutures on top of the head that goes cheek bone to cheek bone?
Definition
Coronal Suture
Term
What is the rainbow suture on the back of the head?
Definition
Lambdoidal
Term
What is the midline suture on top of the head that connects the two rainbows?
Definition
sagittal
Term
What is the sutrue on the side of the head that connects cheeks to ear?
Definition
Squamous
Term
What are the bones of the neurocranium?
Definition
Frontal Bone
Parietal bones
Occipital bone
Temporal bone
Ethmoid Bone
Sphenoid Bone
Term
What is the bone that makes up the forehead?
Definition
frontal bone
Term
What is the ridge above the eye, where the eyebrows go, called? What bone is it on?
Definition
Supraorbital margin of the Frontal Bone
Term
What bones are on each side of the sagittal suture?
Definition
Parietal Bones
Term
What bone makes up the back of the skull cap (most posterior)?
Definition
occipital bone
Term
What is the bump in the middle of the back of the head called?
Definition
External occipital protuberance of the occipital bone.
Term
What articulates with the 1st cervical vertebrae. The smooth bumps on the side of the foramin magnum?
Definition
Occipital condyles
Term
What are the ridges/lines that run out from the nape/back of the neck?
Definition
Nuchal Lines
Term
What bone houses the inner ear?
Definition
temporal bone
Term
What is the large bump posterior to the ear hole?
Definition
Mastoid Process
Term
What is the needle coming out down the ear hole that is very thin and most are broken?
Definition
Styloid process
Term
What is the posterior part of the Zygomatic Arch called?
Definition
Zygomatic process
Term
What contains the ear organs of hearing and balance? It is a dividing wall between the middle and posterior cranial fossa of the base.
Definition
Petrous portion
Term
What is the underside of the temporal bone where the mandible sits called?
Definition
Mandibular fossa
Term
What bone sits behind the face/nose?
Definition
Ethmoid bone
Term
Which bone is the top ridge of the bone right behind the nose that looks like a "cocks comb"
Definition
Crista galli of the ethmoid bone.
Term
What is the top surface of the bone that sits right behind the nose. The surface has lots of holes.
Definition
Cribriform plate of the ethmoid bone
Term
What helps form the bony nasal septum and runs straight down from the top of the etmoid bone?
Definition
Perpendicular plate of the ethmoid bone.
Term
What are the shiny sides of the ethmoid bone that touches the eye socket?
Definition
Orbital Plate
Term
In the ethmoid bone, what are they pointing to when they stick the pipe cleaner way up inside it?
Definition
Superior Conchae
Term
On the ethmoid bone, what are the tips beside the perpendicular plate? External Ridge
Definition
Middle Conchae
Term
What is the butterfly bone called?
Definition
Sphenoid Bone
Term
What is the saddle/ middle point?
Definition
Sella turcica
Term
What are the legs of the process called? It splits into "toes", which are?
Definition
Pterygoid process. Medial Plates are the inner toes and the Lateral plates are the outside toes
Term
What is the lower jaw called?
Definition
Mandible
Term
What is the portion of the lower jaw called with the teeth and is most anterior?
Definition
Body of the Mandible
Term
What are the tooth sockets called of the lower jaw?
Definition
Dental Alveoli of the Mandible
Term
What is the point where the lower jaw curves sharply called?
Definition
Angle of the Mandible
Term
What is the wall going up the lower jaw called?
Definition
Ramus
Term
What is the more anterior blade-like projection from the lower jaw wall?
Definition
Coronoid process of the Mandible
Term
What is the more posterior, blunt-like projection from the lower jaw wall called?
Definition
Condylar process of the Mandible
Term
What is the tip of the condylar process called?
Definition
Head of the mandible
Term
What is the valley between the condylar process and the coronoid process?
Definition
Mandibular Notch
Term
What are the two bones that make up the upper jaw?
Definition
Maxillae
Term
The contains a large air sinus and houses teeth in the upper jaw?
Definition
Body of Maxilla
Term
What are the tooth sockets of the upper jaw called?
Definition
Dental alveoli of the maxilla
Term
What is the raised ridge below the eye called?
Definition
infraorbital margin
Term
What is the anterior 2/3 of the hard palate called?
Definition
Palatine process of the hard palate
Term
What are the cheek bones?
Definition
Zygomatic bones
Term
what is the most anterior 1/2 of the zygomatic arch called?
Definition
Temporal process of the zygomatic bones
Term
What are the nose bones called?
Definition
Nasal bones
Term
What is the posterior 1/3 of the hard palate called?
Definition
horizontal plate of teh palatine bones
Term
What is the lateral wall of the nasal cavity called?
Definition
Perpendicular plate of the palatine bone.
Term
What is the bottom anterior hole in the orbit in front of the orbital plate called? It will bring tears to your eyes
Definition
Opening for nasolacrimal duct of the lacrimal bones
Term
What are the projections on the inside of lateral wall of nasal cavity called?
Definition
Inferior Nasal Conchae.
Term
This makes up the bottom part of the bony nasal septum.
Definition
Vomer.
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