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68 Cards in this Set
- Front
- Back
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Frontal Bone |
D: Unpaired bone forming head R: Articulates with parietal bones to form the coronal suture |
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Supraorbital foramen (notch) |
D: Small space directly above eye socket R: Foramen where nerves and blood vessels pass through skull |
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Coronal Suture |
D: Joint between frontal and parietal bones R: Where a king's crown sits |
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Parietal Bones |
D: Paired bones forming the lateral sides of the cranium R: Articulates with the frontal bone at the coronal suture, occipital bone at the lambed suture, and temporal bone at the squamous suture |
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Sagittal Suture |
D: Midline joint between the paired parietal bones R: Located in the sagittal plane |
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Lambdoid suture |
D: Joint between the parietal and occipital bones R: Shaped like Greek letter lambda ^ Lambdoidal = Plural |
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Occipital Bone |
D: Bone forming the posterior and base of the cranium R: Forms most of the posterior skull |
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Foramen Magnum |
D: Largest, round space in base of skull R: Foramen where the brainstem exits the skull |
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Hypoglossal Canal |
D: Spaces nearest foramen magnum from a superior view R: Space located directly superior to the occipital condyles where the hypoglossal nerve (CN XII) passes through the skull |
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Occipital Condyles |
D: Paired, oval processes on the base of the skull adjacent to the foramen magnum R: Structure that articulates with the C1 vertebrae (atlas) |
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Squamous Suture |
D: Joint between the temporal and parietal bones R: Squamousal=plural |
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Temporal bones
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D: Paired bones that form lateral and inferior portions of the cranium R: Articulates with the parietal bones to form the squamous suture |
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Mastoid process |
D: Smooth, rounded projection pointing inferiorly R: Posterior and inferior to the external auditory meatus |
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External auditory (acoustic) meatus |
D: Space most lateral that forms a passageway to inside the cranium R: Anterior to the mastoid process |
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Internal auditory (acoustic) meatus |
D: Canal connecting the posterior cranial fossa to the inner ear cavity R: Space where the facial nerve (CN VII) and vestibulocochlear nerve (CN VIII) pass through the skull |
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Mandibular (glenoid) fossa |
D: Depression inferior and posterior to zygomatic process R: Articulates with the condylar (mandibular) process to form the temporomandibular joint (TMJ) |
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Zygomatic process |
D: Projection extending interior to form the posterior aspect of the zygomatic arch R: Articulates with the temporal process to form the zygomatic arch Forms the posterior part of the "cheek bones" |
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Styloid process |
D: Thin, pointed process projecting inferiorly R: Resembles a "pillar" inferior to the external acoustic meatus and lateral to the carotid canal |
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Carotid canal |
D: Narrow, irregular shaped space found from an inferior view only R: Located anterior to jugular foramen |
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Jugular foramen |
D: "Kidney bean" shaped space located posterior to the carotid canal R: Where the internal jugular vein, glossopharyngeal nerve (CN IX), vagus nerve (CN X), and spinal accessory nerve (CN XI) pass through the skull |
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Foramen lacerum |
D: Medial, irregularly shaped space formed by the sphenoid, temporal, and occipital bones R: Carries the internal carotid artery from carotid canal and is medial to the foramen ovale |
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Pterion |
H-Shaped formation of sutures that unites the frontal, parietal, sphenoid (greater wing), and temporal bones R: On the lateral aspect of the skull |
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Sphenoid bone |
D: Bone forming middle and base of cranium R: Cranium floor bone shaped like the "Batman" symbol |
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Greater wings of the sphenoid bone |
D: Anterolateral base of cranium from a superior view R: Makes a depression in the base of the skull |
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Lesser wings of the sphenoid bone |
D: Thin ridge of bone superior to greater wings from superior view R: Forms the posterior part of the eye socket |
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Superior orbital fissure |
D:Oblique, narrow opening between the greater and lesser wings of the sphenoid bone R: Space where cranial nerves pass through the skull |
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Sella turcica |
D: saddle-shaped depression between the greater wings from a superior |
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Optic foramen (canal) |
D: Round space at medial end of the lesser wings and anterior sella turcia R: Foramen where the optic nerve (CN II) passes to the eye |
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Foramen rotundum |
D: anterior, round-shaped space of the greater wings R: "r" in "ros" acronym |
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Foramen ovale |
D: Middle, oval-shaped space of the greater wings R: "o" in "ros" acronym |
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Foramen spinosum |
D: Posterior, smallest space of the greater wings R: "s" in "ros" acronym |
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Ethmoid bone |
D: Small, porous bone separating the cranium from nasal cavity R: -- |
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Crista galli |
D: Triangular process projecting superiorly from the cribriform plate R: Where the falx cerebri attaches |
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Cribriform plate |
D: Horizontal, depressed bony plate on either side of the crista galli R: Continuous with the base of the skull |
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Olfactory foramina |
D: Microscopic spaces within the cribriform plate R: Spaces where the olfactory nerve (CN I) passes through the cribriform plate |
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Perpendicular plate of the ethmoid |
D: Thin, vertical projection of bone in the nasal cavity forming the superior aspect of the nasal septum R: Seen from an anterior view of the nasal cavity |
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Superior nasal conche |
D: Small, scroll-shaped projection on the lateral walls of nasal cavity R: Superior and lateral to nasal septum |
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Middle nasal conchae |
D: Small, scroll-shaped projection on the lateral walls of nasal cavity R: Middle and lateral to the nasal septum |
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Inferior nasal conchae |
D: Small, scroll-shaped projection on the lateral walls of nasal cavity R: Inferior and lateral to the nasal septum |
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Maxillae |
D: Upper jaw bone R: Forms part of the floor of the orbit and anterior part of the hard palate |
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Alveolar process of maxillae |
D: Bumpy, ridge-like projections where the teeth are held R: Bone forming the teeth sockets |
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Palatine process |
D: Horizontal process forming the anterior three-quarters of the hard palate and floor of the nasal cavity R: One of two bones forming the roof of the mouth |
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Incisive foramen |
Midline space in the palatine process located posterior to incisor teeth Space where blood vessels and nerves pass to the roof of the mouth |
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Palatine bones |
Horizontal bone forming the posterior part of the hard palate One of two bones forming the roof of the mouth |
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Nasal bones |
D: Small, anterior paired bones that form roof of the nasal cavity R: "Bridge" of the nose |
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Lacrimal bones |
R: Thin, teardrop sized bones lateral to the nasal bones D: Forms the anterior/medial wall of the eye socket and lateral wall of the nasal cavity |
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Vomer |
D: Thin, plow-shade bone that forms the posterior and inferior part and nasal septum R: Inferior to the perpendicular plate of the ethmoid |
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Zygomatic bones |
D: Prominence forming the upper face and inferior part of the eye socket R: "Cheek bones" |
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Temporal process |
D: Projection extending posterior to form the anterior aspect of the zygomatic arch R: Articulates with the zygomatic process to form the zygomatic arch Forms the anterior part of the "cheek bones" |
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Zygomatic arch |
D: Ridge of the bone extending from the temporal to the zygomatic bone R: Formed by the temporal and zygomatic processes |
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Mandible |
Lower jaw bone -- |
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Body of mandible |
Horizontal, U-shaped part of the mandible "Jaw line" |
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Rams of the mandible |
Vertical part of the mandible -- |
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Angle of the mandible |
Junction of the horizontal body and vertical rams of the mandible Point of jaw |
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Condylar (mandibular) process |
Posterior, blunt projection of the rams Articulates with the mandibular fossa to form the temporomandibular joint (TMJ) |
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Coronoid process |
Anterior, pointed projection of the rams Where the temporals muscle attaches to aid in chewing |
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Alveolar process of the mandible |
Bumpy, ridge-like projections where the teeth are held Site for novocaine injection to numb the mandibular teeth |
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Mandibular foramen |
Hole on medial surface of the rams Site for novocaine injection to numb the mandibular teeth |
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Mental foramen |
Hole on the anterior surface of the body Foramen where never and blood vessels exit |
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Hyoid |
Small, suspended U-shaped bone of the anterior neck Bone in the neck that doesn't articulate with any other bone in the body |
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Frontal sinuses |
Spaces within the frontal bone Spaces between the eyebrows in the forehead |
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Maxillary sinuses |
Spaces lateral to the nasal cavity and inferior to orbit within the maxillae Spaces between the cheeks Largest paranasal air sinus |
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Ethmoidal sinus (air cells) |
Small, multiple spaces within the ethmoid bone Cluster spaces between the eyes |
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Sphenoidal sinuses |
Kidney bean space within the sphenoid bone Space beneath the sella turcia |
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fetal Anterior (frontal) fontanel |
Midline soft spot between the frontal and parietal bones Diamond shape coronal suture |
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fetal Posterior (occipital) fontanel |
Midline soft spot between parietal and occipital bones In the lambdoid suture |
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fetal Anterolateral (sphenoidal) fontanel |
Paired, anterior, lateral soft spots between the frontal, parietal, temporal, and sphenoid bones Directly inferior to the anterior fontanel on the lateral surface of the skull |
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fetal Posterolateral (mastoid) fontanel |
Paired, posterior and lateral soft spots between the parietal, temporal, and occipital bones At the posterior corner of the parietal bones |
