Podcast
Questions and Answers
What is the term for the joint between the frontal and parietal bones?
What is the term for the joint between the frontal and parietal bones?
Identify the suture found at the back of the skull:
Identify the suture found at the back of the skull:
What is the term used for the suture located on the side of the skull?
What is the term used for the suture located on the side of the skull?
Which suture runs between the left and right parietal bones?
Which suture runs between the left and right parietal bones?
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What is the frontal bone?
What is the frontal bone?
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Define the supraorbital foramen.
Define the supraorbital foramen.
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What is the nasal bone?
What is the nasal bone?
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What is the maxilla?
What is the maxilla?
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Define the eye orbit.
Define the eye orbit.
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What is the zygomatic bone?
What is the zygomatic bone?
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What is the mandible?
What is the mandible?
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Define the mental foramen.
Define the mental foramen.
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What is the function of the vomer?
What is the function of the vomer?
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What is the lacrimal bone?
What is the lacrimal bone?
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What are the parietal bones?
What are the parietal bones?
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What is the temporal bone?
What is the temporal bone?
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What does the occipital bone protect?
What does the occipital bone protect?
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Define the sphenoidal bone.
Define the sphenoidal bone.
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What is the external acoustic meatus?
What is the external acoustic meatus?
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What is the zygomatic process of the temporal bone?
What is the zygomatic process of the temporal bone?
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What is the palatine bone?
What is the palatine bone?
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Define occipital condyles.
Define occipital condyles.
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What is the foramen magnum?
What is the foramen magnum?
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What is the ethmoid bone?
What is the ethmoid bone?
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What is the mandibular foramen?
What is the mandibular foramen?
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Define the mastoid.
Define the mastoid.
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What is the styloid process?
What is the styloid process?
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What is the sella turcica?
What is the sella turcica?
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Define the cribriform plate.
Define the cribriform plate.
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What is the crista galli?
What is the crista galli?
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What is the frontal sinus?
What is the frontal sinus?
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What is the ethmoid sinus?
What is the ethmoid sinus?
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What is the sphenoid sinus?
What is the sphenoid sinus?
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Define the maxillary sinus.
Define the maxillary sinus.
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What is the anterior fontanelle?
What is the anterior fontanelle?
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What are the posterior fontanelles?
What are the posterior fontanelles?
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What are sphenoidal fontanelles?
What are sphenoidal fontanelles?
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What is the mastoid fontanelle?
What is the mastoid fontanelle?
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What is a cervical vertebra?
What is a cervical vertebra?
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What is a thoracic vertebra?
What is a thoracic vertebra?
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What is a lumbar vertebra?
What is a lumbar vertebra?
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What is the sacrum?
What is the sacrum?
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What is the coccyx?
What is the coccyx?
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What is the body of a vertebra?
What is the body of a vertebra?
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What is the transverse process?
What is the transverse process?
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What is the spinous process?
What is the spinous process?
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Define the vertebral foramen.
Define the vertebral foramen.
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What is the intervertebral foramen?
What is the intervertebral foramen?
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What is an intervertebral disc?
What is an intervertebral disc?
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Define transverse foramina.
Define transverse foramina.
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What is the dens (odontoid process)?
What is the dens (odontoid process)?
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What is a bifid spinous process?
What is a bifid spinous process?
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What is a costal (rib) facet?
What is a costal (rib) facet?
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What are sacral foramina?
What are sacral foramina?
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What is the Manubrium?
What is the Manubrium?
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What is the Coccyx?
What is the Coccyx?
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What is the Sacrum?
What is the Sacrum?
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What is the body of the sternum?
What is the body of the sternum?
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What is the Xiphoid process?
What is the Xiphoid process?
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What are cervical vertebrae?
What are cervical vertebrae?
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What are thoracic vertebrae?
What are thoracic vertebrae?
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What are lumbar vertebrae?
What are lumbar vertebrae?
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Study Notes
Axial Skeleton Labeling
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Coronal suture: Fibrous joint separating the frontal bone from the parietal bones.
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Lambdoid suture: Joint connecting the occipital bone with the parietal bones.
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Squamous suture: Joint between the temporal bones and parietal bones on the side of the skull.
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Sagittal suture: Joint dividing the left and right parietal bones along the midline.
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Frontal bone: The bone forming the forehead and the upper part of the eye sockets.
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Supraorbital foramen: A small opening above the eye socket that allows nerves and blood vessels to pass.
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Nasal bone: The two small bones forming the bridge of the nose.
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Maxillary (maxilla) bone: The upper jawbone, holding the upper teeth and forming part of the eye sockets.
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Eye orbit: The bony cavity containing the eyeball and associated structures.
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Zygomatic bone: The cheekbone that also contributes to the eye socket structure.
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Mandible: The lower jawbone, the only movable bone of the skull.
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Mental foramen: Small openings in the mandible for the passage of nerves and blood vessels to the chin.
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Vomer: A bone forming the inferior part of the nasal septum.
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Lacrimal bone: Small bones forming part of the eye socket, involved in tear drainage.
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Parietal bones: Two bones forming the sides and roof of the skull.
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Temporal bone: The sides of the skull, containing the structures of the ears.
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Occipital bone: The posterior bone of the skull, containing the foramen magnum.
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Sphenoidal bone: Bone located in the middle of the skull base, resembling a butterfly.
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External acoustic meatus: Ear canal leading to the eardrum.
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Zygomatic process of temporal bone: A projection that forms part of the zygomatic arch.
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Palatine bone: Bone forming the back part of the roof of the mouth.
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Occipital condyles: Rounded projections on the occipital bone that articulate with the first cervical vertebra.
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Foramen magnum: Large opening in the occipital bone for the spinal cord.
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Ethmoid bone: A light, spongy bone located between the eyes, forming part of the nasal cavity.
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Mandibular foramen: Opening in the mandible for nerves and blood vessels.
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Mastoid process: Protrusion behind the ear, serving as an attachment for muscles.
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Styloid process: Long, pointed bony projection from the base of the skull.
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Sella turcica: Saddle-shaped depression in the sphenoid bone, housing the pituitary gland.
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Cribriform plate: A part of the ethmoid bone containing perforations for olfactory nerves.
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Crista galli: A vertical projection of the ethmoid bone, serving as an attachment for the dura mater.
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Frontal sinus: Air-filled cavities within the frontal bone, aiding in voice resonance and reducing skull weight.
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Ethmoid sinus: Sinuses located within the ethmoid bone, also involved in voice resonance.
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Sphenoid sinus: Located within the sphenoid bone, varies in size and shape.
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Maxillary sinus: Largest paranasal sinuses located within the maxilla.
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Anterior fontanelle: Soft spot on an infant's skull between the frontal and parietal bones.
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Posterior fontanelles: Soft spots located at the junction of the parietal and occipital bones in infants.
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Sphenoidal fontanelles: Soft spots at the junction of the frontal, parietal, temporal, and sphenoid bones.
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Mastoid fontanelle: Soft spot located between the parietal and temporal bones.
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Cervical vertebrae: The seven vertebrae in the neck region, designated as C1-C7.
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Thoracic vertebrae: The twelve vertebrae in the upper back, designated as T1-T12.
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Lumbar vertebrae: The five vertebrae in the lower back, designated as L1-L5.
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Sacrum: A triangular bone at the base of the spine formed by the fusion of five sacral vertebrae.
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Coccyx: The small, triangular bone at the end of the vertebral column, commonly known as the tailbone.
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Body of vertebra: The weight-bearing part of a vertebra.
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Transverse process: Bony projections on either side of a vertebra for muscle attachment.
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Spinous process: The bony projection on the posterior side of a vertebra.
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Vertebral foramen: The central opening of a vertebra through which the spinal cord passes.
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Intervertebral foramen: Openings between adjacent vertebrae for spinal nerves to exit the vertebral column.
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Intervertebral disc: Cartilaginous structures between vertebrae that absorb shock and allow movement.
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Transverse foramina: Holes in cervical vertebrae for the passage of vertebral arteries.
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Dens (odontoid process): A tooth-like projection from the second cervical vertebra (axis) that allows head rotation.
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Bifid spinous process: A characteristic of some cervical vertebrae where the spinous process is split.
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Costal (rib) facet: Articulation points on thoracic vertebrae for rib attachment.
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Sacral foramina: Openings in the sacrum for the passage of nerves and blood vessels.
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Manubrium: The upper segment of the sternum connecting to the ribs.
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Coccyx: Also known as the tailbone, it is composed of small fused vertebrae.
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Sacrum: The shield-shaped bone at the base of the spine comprised of fused sacral vertebrae.
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Body of sternum: The central and largest part of the sternum connecting to ribs.
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Xiphoid process: The small pointed cartilaginous extension at the lower part of the sternum.
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Cervical vertebrae: Comprises the uppermost segment of the vertebral column.
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Thoracic vertebrae: Located in the mid-back and articulate with the ribs.
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Lumbar vertebrae: The robust bones that support the lower back.
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Test your knowledge of the axial skeleton with these labeling flashcards. Identify key structures like sutures and bones, including the coronal suture, frontal bone, and more. Perfect for students looking to enhance their understanding of human anatomy.