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Axial skeleton
Skeleton flash cards
64
Anatomy
12th Grade
10/03/2016

Additional Anatomy Flashcards

 


 

Cards

Term

Frontal bone:

Definition

The frontal bone is a bone of the skull found in the forehed region and it is one of the 8 bones that form the cranium[image]

Term

Parietal bone

Definition

One parietal bone is located on each side of the skull just behind the frontal bone. It is shaped like a curvedplate and has four borders .

Term

Parietal bone:

Definition
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Term

temporal bone:

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Definition
The temporal bone is one of two bones that form parts of the sides and base of the cranium. A temporal bone on each side of the skull joins the parietal bone along the squamosal suture
Term

occipital bone

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Definition
The occipital bone is the trapezoidal-shaped bone found at the lower-back area of the cranium.
Term
Sphenoid Bone
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Definition
a compound bone that forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral “wings” and a number of other projections, and contains two air-filled sinuses
Term

Ethmoid Bone


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Definition
The ethmoid bone is located in front of the sphenoid bone. It consists of two masses, one on each side of the nasal cavity, which is joined horizontally by thin cribriform plates
Term

External auditory meatus


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Definition
is a tube running from the outer ear to the middle ear. The adult human ear canal extends from the pinna to the eardrum
Term
Styloid process
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Definition
  1. a slender projection of bone, such as that from the lower surface of the temporal bone of the skull, or those at the lower ends of the ulna and radius.


Term

Zygomatic process

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Definition
a projection of the temporal bone that forms part of the zygoma
Term

Mastoid process

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Definition
a conical prominence of the temporal bone behind the ear, to which neck muscles are attached, and which has air spaces linked to the middle ear.
Term

Foramen Magnum


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Definition
the hole in the base of the skull through which the spinal cord passes.
Term
Occipital condyles
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Definition
each of two rounded knobs on the occipital bone that form a joint with the first cervical vertebra.
Term
Sella Turcica
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Definition

depression in the sphenoid bone, containing the pituitary gland.

 

 
Term
Foramen Ovale [image]
Definition
Oval opening for nerves for the chewing muscles
Term

Sphenoid Sinuses

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Definition

contained within the body of the sphenoid. They vary in size and shape and owing to the lateral displacement of the intervening septum they are rarely symmetrical



Term

Crista galli


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Definition
Covering of the brian attaches to this protection
Term

Cribriform plates

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Definition

The cribriform plate is a sieve-like structure between the anterior cranial fossa and the nasal cavity


Term

coronal suture

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Definition
the transverse suture in the skull separating the frontal bone from the parietal bones.
 
 
Term

Lambdoid suture

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Definition
The lambdoid suture connects the parietal bones to the occipital bone and is continuous below with the occipitomastoid suture between the occipital and the mastoid portion of the temporal bones.
Term

Sagittal suture

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Definition
is a dense, fibrous connective tissue joint between the two parietal bones of the skull.
Term

Squamous suture

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Definition
The squamous suture forms the joint of the skull between the squamous part of the temporal bone and the inferior aspect of the parietal bone.
Term

Maxillae/Maxillary Bones

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Definition
Form the upper jaw “Keystone” bones of the face. All facial bones join the maxillae
Term

paletine bones

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Definition
small bone found in many animal species. It is an important part of the scull
Term

zygomatic bones

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Definition
paired bone which articulates with the maxilla, the temporal bone, the sphenoid bone and the frontal bone.
Term

lacrimal bones

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Definition
a small bone forming part of the eye socket.
 
Term

nasal bones

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Definition
Nasal fractures are the most common types of facial fractures; however, they are often unrecognized and untreated at the time of injury
Term

vomer bone

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Definition
It is located in the midsagittal line, and articulates with the sphenoid, the ethmoid, the left and right palatine bones, and the left and right maxillary bones
Term

inferior conchae

e[image]

Definition
The Inferior nasal conchae is the most caudally based of the three nasal conchae. While the superior and middle nasal conchae form part of the perpendicular plate of the ethmoid bone,
Term

Mandible

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Definition
the jaw or a jawbone, especially the lower jawbone in mammals and fishes.
Term

Palatine Processes

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Definition
is a thick, horizontal process of the maxilla. It forms the anterior three quarters of the hard palate,
Term

Mandibular Fossa

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Definition
the depression in the temporal bone that articulates with the mandible. In the temporal bone
Term

Maxillary sinuses

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Definition
The maxillary sinus is one of the four paranasal sinuses, which are sinuses located near the nose. The maxillary sinus is the largest of the paranasal sinuses.
Term

Frontal Sinuses

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Definition
The frontal sinuses are pockets of space located above the orbit of each eye in the frontal bone. They are lined with mucus membrane,
Term

Ethmoidal Sinuses

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Definition
The ethmoidal sinuses or ethmoidal air cells of the ethmoid bone are one of the four paired paranasal sinuses.
Term

Sphenoidal Sinuses


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Definition
Sphenoid sinuses are just behind the skull, above the nasopharynx and just below the pituitary gland
Term

Cervical Vertebrae

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Definition
are the vertebrae of the neck, immediately below the skull. Thoracic vertebrae in all mammalian species are those vertebrae that also carry a pair of ribs
Term

Atlas

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Definition
cervical vertebra of the spine. It is named for the Atlas of Greek mythology,
Term

Axis

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Definition
At the cervical region the spinal column is further classified into an upper and lower cervical region. The axis is the second of seven bones in the cervical spine.
Term

Thoracic Vertebrae

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Definition
The thoracic vertebrae are a group of twelve small bones that form the vertebral spine in the upper trunk.
Term

Lumbar Vertebrae


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Definition
The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back.
Term

Sacrum

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Definition
The sacrum is a triangular-shaped bone and consists of five segments that are fused together
Term

Coccyx

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Definition
Coccyx (tailbone) pain, or coccydynia, is often caused by a fall or childbirth. This site describes diagnosis, treatment and ways to cope.
Term

Body (Vertebra)

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Definition
Vertebrae also have a strong bony "body" (vertebral body) in front of the spinal cord to provide a platform suitable for weight bearing of all tissues
Term

Vertebral Foramen

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Definition
the opening formed by a neural arch through which the spinal cord passes.
Term

Transverse processes

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Definition
a lateral process of a vertebra.
Term

Spinous Process

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Definition
Spinous process is a bony projection off the posterior (back) of each vertebra.
Term

Superior/Inferior articular
processes

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Definition
The typical vertebra consists of the following features: Vertebral body. Vertebral arch (neural arch) consisting of lamina and pedicle. Spinous process. Transverse process.
Term

Odontoid Process/Dens

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Definition
Odontoid process (Dens) This is a rostral, or upwards extension from the body of the Axis (C2, Second cervical vertebral body). It serves as a point of rotation of Atlas and axis
Term

Transverse Foramen

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Definition
The transverse foramen is an opening within the transverse process of the cervical vertebrae. Therefore, there is one transverse foramen on each side of the vertebra.
Term

Alae


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Definition

Expenses that are attributed to the processing of a specific insurance claim. Allocated loss adjustment expenses, or ALAE, are part of an insurer's expense reserves.


Term

Median Sacral Crest

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Definition
an unpaired crest formed by the fused spinous processes of the upper four sacral vertebrae.
Term
Dorsal Sacral Foramina
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Definition

the openings between the fused sacral vertebrae transmitting the sacral nerves. The anterior sacral foramina transmit anterior primary rami of the sacral nerves.


Term

Sternum

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Definition
a thickened ventral plate on each segment of the body of an arthropod.
Term

Manubrium

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Definition
the uppermost segment of the sternum of humans and many other mammals
Term

Body

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Definition

It connects to the ribs via cartilage, forming the front of the rib cage, and thus helps to protect the heart, lungs, and major blood vessels from injury.

 

Term

Xiphoid process

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Definition
the cartilaginous section at the lower end of the sternum, which is not attached to any ribs and gradually ossifies during adult life.
 
Term

Ribs

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Definition
long curved bones which form the rib cage
Term

True Ribs

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Definition
a rib that is attached directly to the breastbone.
Term

false ribs

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Definition
The 8th, 9th, and 10th pairs— false ribs—do not join the sternum directly but are connected to the 7th rib by cartilage.
Term

Floating Ribs

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Definition
any of the lower ribs that are not attached directly to the breastbone.
Term

Jugular notch

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Definition
large, prominent dip on the apex of the sternum in the middle of articulation along with two clavicles.
Term

sternal angle

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Definition
The sternal angle (also known as the angle of Louis or manubriosternal junction) is the synarthrotic joint formed by the articulation of the manubrium and the body of the sternum.
Term

Xiphisternal joint

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Definition
The xiphisternal joint (or xiphisternal synchondrosis) is a location near the bottom of the sternum, where the body of the stern umand the xiphoid process meet.
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