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Q1 Anatomy
The Axial Skeleton: Cranial Bones
| Question | Answer |
|---|---|
| The number of bones in the human skeleton | 206 |
| The number of bones in the axial skeleton | 80 |
| The number of bones in the appendicular skeleton | 126 |
| The functions of the cranium (2) | Encloses and protects brain, Provides attachment sites for some head and neck muscles |
| The functions of facial bones (5) | Forms framework of the face, Forms cavities for the sense organs, Provides openings for food and air, Holds teeth, Anchors muscles of the face |
| Superior margin of each orbit | Supraorbital Margin |
| Area of frontal bone which lies deep to eyebrows | Superciliary Arches |
| Smooth part of frontal bone between superciliary arches | Glabella |
| Rounded prominences on each side of the frontal bone where forehead turns back | Frontal Eminences |
| Internal part of frontal bone that holds the large frontal lobe of the brain | Cranial Fossa |
| Suture that occurs where the parietal bones meet the frontal bone | Coronal Suture |
| Suture that occurs where each parietal bone meets a temporal bone inferiorly | Squamous Suture |
| Suture that occurs where the parietal bones meet superiorly | Sagittal Suture |
| Suture that occurs where the parietal bones meet the occipital bone posteriorly | Lamdoidal Suture |
| The bone that forms the posterior portion of the cranium | Occipital Bone |
| Structure located at the base of the occipital bone where the brain stem passes through | Foramen Magnum |
| A feature of the occipital bone that articulates with the first vertebra, Enables nodding "yes" | Occipital Condyles |
| External surface of the occipital bone | External Occipital Protuberence |
| The bone that lies inferior to the parietal bones | Temporal Bones |
| Bar-like projection of the temporal bone that meets the zygomatic bone | Zygomatic Process |
| The inferior surface of the zygomatic process that receives the mandible | Mandibular Fossa |
| Region that surrounds the external auditory meatus | Tympanic Region |
| Region projecting inferiorly from the tympanic region | Styloid Region |
| Breast shaped region located posteriorly to the tympanic region | Mastoid Region |
| Projection located in the mastoid region | Mastoid Process |
| Region that projects medially and contributes to the cranial base | Petrous Region |
| The opening through which the internal carotid artery passes through | Carotid Canal |
| Opening through which the internal jugular vein passes through | Jugular Foramen |
| Bones of the ear | Ear Ossicles (malleus, incus, stapes) |
| The bone that spans the width of the cranial floor, Resembles a butterfly | Sphenoid Bone |
| Saddle shaped prominence on the sphenoid bone | Sella Turcica |
| Structure of the sella turcica that holds the pituitary gland | Hypophyseal Fossa |
| The bone that lies between the nasal and sphenoid bones | Ethmoid Bone |
| The superior surface of the ethmoid bone | Cribriform Plate |
| The superior projection between the two cribriform plates that help secure the brain to the cranial cavity | Crista Galli |
Created by:
amber.whalen
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