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Bones
Skull
43
Anatomy
12th Grade
02/10/2017

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Cards

Term
Skull
Definition
-22 Bones.
-29 including the ear bones.
-Forms the head.
-Supports the structure of the face.
-Protects the brain.
Term
[image]
Definition
Skull
Term
Cranial Bone
Definition
-Made up of 8 bones
-The occipital bone
-The parietal bones (2)
-The frontal bone
-The temporal bones (2)
-The sphenoid bone (sometimes counted as facial)
-The ethmoid bone (sometimes counted as facial)
Term
Occipital Bone.
Definition
-Main bone of the back and lower part of the skull (Occiput)
-Has large oval opening (Foramen Magnum) allowing passage of the spinal cord.
-made of 3 parts. *Basilar Part, *Lateral Parts, and *Squamous Part.
Term
[image]
Definition
Occipital Bone
Term
[image]
Definition
Parietal Bone
Term
Parietal Bone
Definition
-Two bone joined at the Fibrous Joint forming the sides and roof of the skull.
Term
[image]
Definition
Frontal Bone
Term
Frontal Bone
Definition
-Made up of three points *Squamous Part, *Orbital Part, and *Nasal Part
-The Forehead
-Holds the eyes and the bony part of the nose.
Term
[image]
Definition
Temporal Bone (2)
Term
Temporal Bone
Definition
-Located at the sides of the skull.
-The Temples and house structures of the ears.
Term
[image]
Definition
Sphenoid Bone
Term
Sphenoid Bone
Definition
-Located in the middle of the skull, towards the front of the temporal bone and the Basilar part of the Occipital Bone.
-one of the seven bones that articulate to form the Orbit.
-Looks like a butterfly.
Term
[image]
Definition
Ethmoid Bone.
Term
Ethmoid Bone.
Definition
-Separates the Nasal Cavity from the Brain.
-Located at the roof of the nose between the two Orbit, making it one of the bones that make up the Orbit of the eyes.
Term
[image]
Definition
Facial Bones (14)
Term
Facial Bones
Definition
-located on at the Anterior and Lower Skull.
-Made up of 14 bones.
Term
[image]
Definition
Nasal Bone (2)
Term
Nasal Bone
Definition
-Two small oblong bones varying in size and form in different people.
-Placed side by side at the middle and upper part of the face to form the bridge of the nose.
Term
[image]
Definition
Maxilla (2)
Term
Maxilla
Definition
- Upper Jaw Bone
-Includes the frontal portion of the palare of the mouth.
Term
[image]
Definition
Lacrimal Bone (2)
Term
Lacrimal Bone
Definition
-Smallest and most fragile bone of the face.
-Size of a fingernail.
located at the front part of the Medial Wall of the Orbit.
Term
[image]
Definition
Zygomatic Bone
Term
Zygomatic Bone
Definition
-Paired bone which articulates with the Maxilla, the Temporal bone, the Sphenoid, and the Frontal Bone.
-located at the upper lateral part of the face and forms the lateral wall and floor of the Orbit and parts of the Temporal and Infratemporal Fossa.
Term
[image]
Definition
Palatine Bone (2)
Term
Palatine Bone
Definition
-Two irregular bones of the Facial Skeleton.
-Together with the Maxilla they comprise the hard plate.
Term
[image]
Definition
Inferior Nasal Concha (2)
Term
Inferior Nasal Concha
Definition
-One of the Turbinates in the nose.
-Extends horizontally along the lateral wall of the Nasal Cavity.
-Made up of a thin layer of spongy bone curled upon itself like a scroll.
Term
[image]
Definition
Vomer
Term
Vomer
Definition
-Unpaired bone
-Located in the Midsagittal Line and articulates with the Spheroid, the Ethmoid, and the Left and Right Palatine bones and Right Maxillary bones.
Term
[image]
Definition
Mandible
Term
Mandible
Definition
-The Jaw Bone.
-Largest, strongest, and lowest bone in the face.
-Hold the lower teeth in place.
Term
[image]
Definition
Hyoid
Term
Hyoid
Definition
-Not connected to any other bone.
-Held by muscles and ligaments.
-Situated between the Chin and the Thyroid Cartilage.
-Aids with tongue movement and swallowing.
Term
[image]
Definition
Middle Ear
Term
Middle Ear
Definition
-Made up of six bones.
-Portion of the middle ear drum.
-Contains 3 Ossicles that transfer vibrations of the eardrum into waves in the fluid and membranes of the inner ear.
Term
[image]
Definition
Malleus
Term
Malleus
Definition
-AKA the Hammer.
-connects the Incus and is attached to the inner surface of the eardrum.
Term
[image]
Definition
Incus (2)
Term
Incus
Definition
-AKA the Anvil
-One of the Ossicles in the Middle Ear
Receives vibrations from the Malleus.
Term
[image]
Definition
Stapes (2)
Term
Stapes
Definition
-AKA Stirrup
-Helps on the conduction of the sound vibrations to the inner ear from the Incus to the Oval Window.
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