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Cranial Skeleton
BI 301L: Anatomy and Physiology (Portland State University)
83
Anatomy
Undergraduate 3
10/19/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Zygomatic process of frontal bone
Definition

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The structure indicated in red is the _____.

Term
Parietal bone
Definition

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#9 is the _____.

Term
Frontal bone
Definition

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#5 is the _____.

Term
Occipital bone
Definition

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This entire bone is the ____.

Term
External occipital protuberance
Definition

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This structure is the _____.

Term
Superior nuchal line
Definition

[image]The structure directly to the left/right of the external occipital process is the _____.

 

Term
Inferior nuchal line
Definition

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The structure inferior to the superior nuchal line is the _____.

Term
Foramen magnum
Definition

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The structure #7 is the _____.

Term
Occipital condyles
Definition

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The _____, located on either side of the foramen magnum, are the points at which the skull articulates with the atlas in the vertebral column.    

Term
Temporal bone
Definition

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The pink-colored bone is the _____.

Term
Squamous portion of temporal bone
Definition

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The structure labeled A, of the temporal bone, is the _____.

Term
Petrous portion of temporal bone
Definition

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The ridge in the cranial floor that runs diagonally between the sphenoid and occipital bones; contains the middle and inner ear structure is the _____.

Term
Mastoid portion of temporal bone
Definition

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The roughened, posterior portion of bone located behind the ear is the _____.

Term
Zygomatic process of temporal bone
Definition

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The anterior extension from lower squamous portion indicated in Chinese is the _____.

Term
Styloid process of temporal bone
Definition

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The narrow projection from the junction of the tempanic and petrous portions that is the attachment point for ligaments and muscles that control the hyoid bone, tongue, and parnx is the _____ (indicated as #6).

Term
Mastoid process of temporal bone
Definition

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The large protrusion lateral to the styloid process and posterior to the external auditory meatus is known as the _____(indicated by #17).

Term

Mandibular fossa

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Definition

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The depression in the the squamous portion below the zygomatic process; where the mandibular condyle articulates is the _____(indicated by #9).

Term
Caratoid foramen/canal
Definition

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The hole on the anterior surface of the petrous portion anterior to the jugular foramen is the _____ (indicated by #23).

Term
Jugular foramen/canal
Definition

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The opening along the junction between the petrous portion of the temporal bone and the occipital bone is the _____ (indicated by #22).

Term

Mastoid foramen

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Definition

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The hole posterior to the mastoid process that may not always be present or in the same location is the _____ (indicated by #13).

Term
Stylomastoid foramen
Definition

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The small hole on the mastoid portion between the styloid and mastoid process is the _____ (indicated by #11).

Term
External acoustic meatuses
Definition

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The opening along the external surface of the temporal portion is the _____.

Term

Internal acoustic meatus

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Definition

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The hole along the posteriormedial surface of the petrous portion is the _____ (indicated by #22).

Term
Temporal fossa
Definition

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The large indentation on the side of the head is the _____ (indicated by the square). 

Term
Sphenoid bone
Definition

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The butterfly shaped cranial bone located in the middle of the skull between the frontal and temporal bones is the _____ (indicated in red).

Term
Sella turcica 
Definition

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The _____ is a saddle shaped housing for the pituitary gland.

Term
Greater wings
Definition

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The prominent wing-like lateral extension from the body of sphenoid indicated in the image is the ______. 

Term
Lesser wings
Definition

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The small lateral extension from the sphenoid body, superior to the greater wing is the _____.

Term
Chiasmatic groove
Definition

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The structure indicated by #7 is the _____.

Term
Pterygoid processes
Definition

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The inferior extension from the junction of the sphenoid body and greater wing is _____ (indicated by #6).

Term

Pterygoid hamulus (s)

Pterygoid hamuli (p)

 

Definition

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The structure indicated by #19 is the _____.

Term
Superior orbital fissure
Definition

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The elongated, narrow opening that runs diagonally along the back of the orbit between the lesser and greater wings is the _____ (indicated by #25 and #1).

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Term
Foramen ovale
Definition

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The oval hole, superior to the foramen spinosum, in the greater wing, is the _____ (indicated by #25)

Term
Forman spinosum
Definition

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The small opening posterior/inferior to the foramen ovale is the _____ (indicated by #24)

Term

Foramen rotundum

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Definition

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The round hole located anterior to the foramen ovale is the _____ (indicated by #12).

Term
Optic foramen/canal
Definition

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The opening along the junctions of the lesser wing and body is the _____ (indicated by #10 above and #3 below). 

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Term
Ethmoid bone
Definition

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The _____ is a spongy, cuboid-shaped cranial bone located at the top of the nasal cavity and between the two orbits.

Term

Cribriform plate

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Definition

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The _____ (indicated by #4) is a horizontal plate in the cranial floor and roof of nasal cavity that articulates with the frontal bone.

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Term
Olfactory foramina
Definition

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The tiny holes near the cribriform plate are called  _____. 

Term
Perpendicular plate
Definition

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The thin vertical plate that extends down into the nasal cavity and articulates with the vomer bone to form the bony septum is the _____ (indicated by #4).

Term
Crista galli
Definition

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The thin vertical plate that extends up from the cribriform plate and is the attachment point for the falx verebri is the _____ (indicated by #3).

Term
Nasal bone(s)
Definition

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Two small bones that form the bridge of the nose are _____ (indicated in red).

Term
Vomer bone
Definition

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The thin bone that runs vertically along the middle of the nasal cavity and articulates with the perpendicular plate is the _____ (indicated in red).

Term
Lacrimal bone
Definition

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The _____ (indicated in red) is a small facial bone that forms a portion of the anterior medial wall of the orbit.

Term
Maxilla (maxillary bones)
Definition

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The _____ (indicated in red) form the upper jaw.

Term
Incisive foramen
Definition

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The _____ is a depression along the junction of the two maxillae bones, just posterior to the incisors.

Term
Infraorbital foramen
Definition

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The _____ (indicated by #5) is a prominent hole located inferior to the orbit.

Term
Zygomatic process of maxilla
Definition

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The lateral extension from the body of maxilla that projects toward the zygomatic bone is the _____.

Term
Palatine bone(s)
Definition

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The _____ form portions of the hard palate, lateral walls of the nasal cavity, and floors of the orbits. These small L-shaped facial bones are located between the palatine processes of the maxilla bones and the pteryoid bones 

Term
Grater palatine foramen
Definition

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The largest opening along the posterior part of the horizontal plate is the _____ (indicated by #4).

Term
Zygomatic bone(s)
Definition

[image]

The two facial bones that form the cheeks and the lateral walls of the orbits are the _____.

Term
Temporal process of zygomatic bone
Definition

[image]

The projection that articulates with the zygomatic process of the temporal bones to form the zygomatic arch is the _____.

Term
Maxillary process of zygomatic bone
Definition

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The projection that articulates with the maxilla bone is the _____ (indicated in red).

Term
Mandible
Definition

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The facial bone that forms the lower jaw and contains the lower teeth is the _____.

Term
Ramus of mandible
Definition

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The posterior vertical portion of the mandible is the _____ (indicated by #11). 

Term
Angle of mandible
Definition

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The region of the mandible where the ramus and the body join is the _____ (indicated by #5).

Term
Condyloid process (Mandibular condyle)
Definition

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The rounded head of the condylar process that articulates with the mandibular fossa of the temporal bone is the _____ (indicated by #1). 

Term
Coronoid process of mandible 
Definition

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The sharply angled anterior extension from the mandibular ramus is the _____ (indicated by #3). 

Term
Body of mandible
Definition

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The _____ (indicated by #7) is the horseshoe shaped, anterior portion of the mandible.

Term
Mandibular notch
Definition

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The prominent downward curvature between the condylar and coronoid processes is the _____ (indicated by #2).

Term
Mandibular foramen
Definition

[image]

The hole on the medial interior surface of the mandibular ramus is the _____ (indicated by #11).

Term
Mental foramen
Definition

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The hole on the anterior aspect of the mandible below the second pre-molar is the _____ (indicated by #9).

Term
Ear ossicles
Definition

[image]

The bones of the inner ear are _____.

Term
Malleus
Definition

[image]

The bone of the inner ear shaped like a hammer that articulates with the incus is the _____ (indicated by #3).

Term
Incus
Definition

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The bone of the inner ear that looks like an anvil and articulates with the malleus and stapes is the _____ (indicated by #2).

Term
Stapes
Definition

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The inner ear bone that articulates with the incus and looks like a stirrup is the _____ (indicated by #1).

Term
Hyoid bone
Definition

[image]

 

The small U-shaped bone that is located between the mandible and larynx and is anterior to the third cervical vertebra is the _____.

Term
Sutures
Definition

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Junctions between the adjacent bones of the skull are called _____.

Term
Coronal suture
Definition

[image]

The junction between the frontal and parietal bones is the _____ (indicated by #1).

Term
Squamous suture
Definition

[image]

The junction between the parietal and temporal bones is the _____ (indicated by #10).

Term
Lambdoid suture
Definition

[image]

The junction between the parietal and occipital bones is the _____ (indicated by #8).

Term
Sagittal suture
Definition

[image]

 

The junction between the two parietal bones is the _____ (indicated by #8).

Term
Sinuses
Definition

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The cavities in the bones of the face and cranium are the _____.

Term
Sphenoid sinus
Definition

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Two cavities in the center of the sphenoid bone are called the _____. 

Term
Ethmoid sinus
Definition

[image]

A collection of small cavities located between the orbits in the lateral masses of the ethmoid bone are the _____.

Term
Maxillary sinus
Definition

[image]

Two large cavities located in the body of the maxillary bones, on either side of the nasal cavity are the _____. 

Term
Frontal sinus
Definition

[image]

Two cavities located just above the orbits and behind the superciliary arches are the _____.

Term
Nasal septum
Definition

[image]

 

The perpendicular plate of the ethmoid and vomer make up the _____.

Term
Zygomatic arch
Definition

[image]

 

The zygomatic process of the temporal bone + the temporal process of the zygomatic bone make up the _____. 

Term
Hard palate
Definition

[image]

The structure formed by the maxillary and palatine bones is the _____.

Term
Orbit
Definition

[image]

 

The spherical structure formed by the frontal, maxillary, lacrimal, ethmoidal, sphenoidal, palatine, and zygomatic bones is the _____.

Term
Inferior orbital fissure
Definition

[image]

The structure that lies mostly between the maxilla and the sphenoid is the _____.

Term
Temporal fossa
Definition
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