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Q1 Anatomy

The Axial Skeleton: Cranial Bones

QuestionAnswer
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