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Skull wtf
| Question | Answer |
|---|---|
| number of cranium bones | eight |
| number of facial bones | fourteen |
| between the eyebrows just above the nose | glabella |
| between upper lip and the nose | acanthion |
| middle of mandible (chin) | mental point |
| bridge of the nose | nasion |
| slight depression above the each eyebrow | supraorbital groove |
| angle of mandible | gonion |
| very top of the skull | vertex |
| most prominent point of external occipital bone | inion |
| junction of two eylids near the nose | inner canthus |
| lateral junction of the two eyelids | outer canthus |
| superior rim of orbit | supraorbital margin |
| inferior rim of orbit | infraorbital margin |
| lateral portion of orbital rim | midlateral orbital margin |
| E.A.M. | External Acoustic Meatus |
| T.E.A. | Top of Ear Attachment |
| Pinna | flap of ear |
| 4 bones that make up the skull cap (calvaria) | Frontal, Right parietal, Left parietal, occipital |
| 4 bones that make up the floor of the skull | ethmoid, sphenoid, Right temporal, left temporal |
| the frontal bone articulates with which 4 cranial bones | right and left parietals, the spenoid, and the ethmoid |
| The orbit is cone in shape and extends ______ from the base. | posteriorly |
| The cirular rim of the orbit which you can feel is actually the ____ of the orbit | base |
| What is the external landmark which corresponds to the level of the floor at the cranium | supraorbital groove |
| What is the external landmark corresponding with the highest level of the facial bone mass | supraorbital groove |
| what is the external landmark corresponding tothe petrous ridge? | TEA |
| Divides the body into equal right and left halves | midsaggital plane |
| describes theline drawn between the two pupils of the eye | interpupillary line |
| The line connecting the glabella to the EAM | glabellomeatal line |
| The line connecting the outer canthus of the eye to the EAM | orbitomeatal line |
| Describes the line between the infra-orbital margin and the EAM | infraorbitomeatal line |
| The line between the acanthion and the EAM | acanthiomeatal line |
| the line between the "chin" and the EAM | mentomeatal line |
| the widest portion of the entire skull is located between the _____ _____ of the 2 parietal bones. | parietal tubercles |
| The parietal bones articulate with what 5 cranial bones | frontal, sphenoid, temporal, opposite parietal, and the occipital |
| the occipital bone articulates with what 6 bones | the sphenoid, two parietals, C1, two temporals |
| the two part articulation between the skull and the cervical spine is called the | atlantooccipital joint |
| are the oval processes with convex surfaces, with one on each side of the foramen magnum | condylar portions (occipital condyles) |
| classification of the sutures | fibrous joint |
| separates the frontal from the two parietals | coronal |
| separates the two parietals | sagittal |
| separates the parietals from the temporals | lambdoidal suture |
| separates the two parietals from the two temporals | squamous suture |
| The anterior end of the sagittal suture is called the | bregma |
| the posterior end of the sagittal suture is called the | lambda |
| soft spot on new borns | fontanel |
| temporal bones articualate with what 3 cranial bones | a parietal, occipital, and a sphenoid |
| Inferior to the zygomatic process and just anterior to the EAM is the | temperomandibular fossa |
| Projecting inferior to the mandible and anterior to the EAM is a slender bony projection called the | styloid process |
| Extending anteriorly from the squamous portion of the temporal bone is an arch of bone termed the | zygomatic process |
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