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NWHSU Mash GA1Q4 La
NWHSU Mash GA1Q4 bones and their landmarks
Question | Answer |
---|---|
A deep HORIZONTAL groove extending from the internal occipital protuberance and joining the "sulcus for the sigmoid sinus"? | Sulcus for the transverse sinus |
A pair of projections for muscle attachments on the anterior INNER surface of the mandible? | Mental Spines |
Basilar portion of occipital bone, anterior to the foramen magnum and fused to sphenoid; term means "declining part"? | Clivus |
Bone contributing LEAST to the bony orbit? | Palatine |
BONE that articulates posteriorly with the ethmoid and anteriorly with the frontal process of the maxilla. | Lacrimal |
Curved ridge/line extending laterally from the EOP? | Superior Nuchal Line |
Forms part of the bony nasal septum; articulates with the vomer inferiorly? | Perpendicular plate of ethmoid bone |
Large opening on floor of orbit separating the orbital plate of the maxilla and greater wing of sphenoid? | Inferior orbital fissure |
L-shaped bone that contributes to the orbit, hard palate, and lateral wall of nasal cavity? | Palatine |
Midline projection in anterior cranial cavity - falx cerbri, a sheet of dura, attached here; also known as the "cock's comb"? | Cristae Galli |
Name given to the closed anterior fontanelle? | Bregma |
Name given to the CLOSED anterolateral fontanelle? | Pterion |
Name given to the closed posterior fontanelle? | Lambda |
Name given to the closed posterolateral fontanelle? | Asterion |
Name given to the large space between the lesser and greater wings of the sphenoid; it transmits certain cranial nerves? | Superior Orbital Fissure |
Name given to where the ramus and body of the mandible meet? | Angle of mandible |
Name the structure transmited by the following skull openings: a. foramen rotundum b. jugular foramen c. condylar canal d. cribiform plate | a. foramen rotundum - Maxillary Nerve (Trigeminal N. CN V2) b. jugular foramen canal - CN IX (Glossopharyngeal) Internal Julgular v. c. condylar canal - Emissary v. d. cribiform plate - CN I (Olfactory n.) |
Name the structure transmitted by the following foramina: a. foramen cecum b. foramen spinosum c. condylar/condyloid canal d. foramen ovale | a. foramen cecum - Emissary Vein b. foramen spinosum - Middle Meningeal Artery c. condylar/condyloid canal - Emissary Vein d. foramen ovale - Mandibular Nerve (Trigeminal N. CN V3) |
Name the structure(s) transmitted by the following foramina: a. foramen rotundum b. condylar/condyloid canal c. cribriform plate d. mandibular foramen | a. foramen rotundum-Maxillary Nerve (Trigeminal N. CN V2) b. condylar/condyloid canal-emissary vein c. cribriform plate-CN I d. mandibular foramen-N.V.A. |
Name the structure(s) transmitted by the following foramina: a. mastoid formaen b. internal acoustic meatus c. foramen rotundum d. jugular foramen | a. mastoid foramen -Emissary Vein, b. internal acoustic meatus - CN VII and CN VIII, foramen rotundum CN V sub 2, jugular foramen - Internal Jugular v. and CN IX, X, XI |
Name the structure(s) transmitted by the following skull openings: a. stylomastoid foramen; b. foramen cecum; c. mandibular foramen; d. internal acoustic meatus; e. foramen rotundum; f. condylar/condyloid canal | a. stylomastoid f.-Some of CN 7; b. f. cecum -Emissary Veins; c. mandibular- Inferior Alveolar NAV; d. IAM - CN 7,8; e. f. rotundum - CN 5 Trigeminal Division 2 (V2); f. condylar/condyloid canal-Emissary Veins |
Name the structure(s) transmitted by the following skull openings: g. Cribiform Plate; h. mastoid foramen; i. jugular foramen; j. foramen spinosum; k. foramen ovale; | g. Cribiform Plate-(filaments of)CN1; h. mastoid f.-Emissary Veins; i. jugular f.-internal jugular v., CN9 glossopharyngeal, 10 Vagus, 11 Spiral Accessory; j. f. spinosum-middle meningeal a.; k. f. ovale-1/3 mandibular division of trigeminal n.; |
Named part of the maxilla containing the maxillary sinus? | Body |
Named PORTION of the temporal bone containig the INNER ear? | Petrous Portion |
Origin of the inferior head of the lateral pterygoid muscle. | Lateral surface of medial pterygoid plate |
Origin of the masseter muscle? | Zygomatic arch |
Origin of the scalene muscles (do not give ORIGIN of each individual muscle) | TP's of cervical vertebrae |
Origin of the superior head of the lateral pterygoid m.? | Greater wing of the sphenoid |
Part of the bony nasal septum that articulates with the perpendicular plate of the ethmoid? | Vomer |
Part of the sphenoid on which the hypophyseal fossa is located; this part is also known as "Turk's Saddle"? | Sella Turcica |
Pointed projections extending over the sella turcica for attachment of sura; they are located on lesser wings of sphenoid? | Anterior Clinoid Process |
Portion of the maxilla bearing teeth sockets? | Alveolar Processes |
Ridge over each orbit? | Supracilliary Arch |
Smooth area in the midline between the the 2 supracilliary arches? | Glabella |
Suture between the squamosal part of the temporal bone and the parietal bone? | Squamosal Suture |
Suture present in fetus; usually disappears on adult? | Metopic(frontal)Suture |