Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Procedures Vl
SKULL Anatomy
| Question | Answer |
|---|---|
| GML | glabellomeatal line - line b/t glabella and EAM |
| OML | orbitmeatal line- line b/t oter cantus and EAM |
| IOML | infraorbitmeatal line-line b/t IOM and EAM |
| AML | aconthiomeatal line- line b/t acanthion and EAM |
| MML | mentalmeatal line- line b/t mental point and EAM |
| LML | lips meatal line- line b/t lips and EAM |
| define tragus | sm flap that covers opening of ear |
| TEA | top of ear attachment |
| what is the auricle | exteral portion of ear |
| where is the inner canthus | where eyelids meet near the nose |
| where is the outecantus | later junction of the eye lids |
| what is the SOM | Superior rim of bony orbits of the eye |
| IOM | infaorbital margin inferior rim Of bony orbits of the eye |
| IPL | interpupillary line transverse line runs between both eyes |
| Glabella | Smooth slightly raised triangular area between and slightly superior to the eyebrows above the bridge of the nose |
| Nasion | At the junction of the two nasal |
| acanthion | Midline point of junction of the upper lips and nasal septum |
| gonion | Lower posterior angle at side of jaw or mandibles |
| name the 4 sutures | coronal lambdoidal Squamosal and sagittal |
| name the junction points | lambda asterion bregma pterion LAB-P |
| What are the four parts in the occipital bone | the squama 2 occipital condyles foreman magnum |
| On the occipital bone; What is the external surface of the squama with a prominent process called | inion |
| What does the temporal bone articulate with | Parietal ,occipital, sphenoid and 2 facial bones the mandible and the zygomatic bone |
| Where does the top ridge lie of the Petrus portion | level of TEA |
| What portions do the temporal bone consist of | Squamous portion mastoid portion petrous portion |
| Describe squamous portion of the temporal bone | Thin upper portion |
| Described tympanic portion Of the temporal bone | Portion below the squama and in front of the mastoid and Petrus portion |
| Describe the mastoid portion of the temporal bone | For the temporal bone it is prolonged into conical mastoid process |
| True or false air cells are located in the mastoid portion of the temporal bone | true |
| What part of the temporal bone is the thickest densest in the cranium | Petrus portion |
| Where are the hearing organs located in the temporal bone | In the Petrus portion |
| How is the parietal bone shaped | the external portion is convexed an and internal portion is concave |
| What does the parietal bone articulate | Frontal temporal occipital the sphenoid and opposite parietal bones |
| What does the ethmoid bone consist of | Horizontal and vertical plate into lateral masses called labrynths |
| What does that ethmoid bone articulate with | Frontal and sphenoid bone |
| Where is the ethmoid bone located | Between the orbits |
| what does the ethmoid bone form | bony nasal septum orbital walls nasal cavity Anterior cranial fossa BONA |
| is the cribriform PlateOn the ethmoid bone horizontal perpendicular or vertical | Horizontal |
| Describe the cristagalli Of the ethmoid bone | thick process project superiorly from its anterior midline |
| Describe the perpendicular plate on the ethmoid bone | Vertical portion of the ethmoid bone superior portion of the bony septum of the nose |
| What is distinguishable on the cribriform plate | It has many foramina for transmission of olfactory nerves |
| Name the parts of the ethmoid bone that you see on the coronal view | Cribriform plate Lateral mass perpendicular plate and middle nasal concha superior nasal concha crista galli |
| What does the frontal bone articulate with | Right and left parietal's Sphenoid Ethmoid bones of the cranium |
| Where is the ethmoidal notch | Between the orbital plate this notch receives the cribriform plate of the ethmoid bone |
| Where is the nasal spine located | Superior most component of the nasal septum and it's the anterior edge of the ethmoidal notch |
| What does the frontal bone form | Forehead and superior part of each orbit |
| What are the two main parts of the frontal bone | Frontal squama or vertical portion and orbital horizontal portion |
| On the frontal bone what does the squama or vertical portion form | Forms the fore head |
| On the frontal bone what does the orbital bowl or the horizontal portion form | it forms part of the Orbits and part of the nasal roof |
| On the frontal bone Describe the frontal Eminence | a round elevation each side of the midsagittal plane |
| What are the three small openings on the sphenoid bone for passage of nerves and vessels | Rotundum foramina ovale foramina spinosum foramina |
| How many cranial bones are there | 8 |
| What are the bones of the calvarium | Frontal (1) occipital(1) Parietal (2) |
| What is another name for calvarium | Skullcap |
| What are the bones of the skull floor | Ethmoid ,sphenoid, temporal |
| What is distinguishable looking about the sphenoid bone | It looks like a bat or butterfly |
| what is the functionOf the sphenoid bone | It's the anchor for all eight cranial bones |
| What does a sphenoid bone consist of | 2-Lesser wings 2- Greater wings 2 - ptergoid process |
| How many facial bones are there | 14 |
| What does the sella turcica do | Protects the pituitary gland |
| describe the sella turcica | Central depression seen on the lateral means "turkish saddle " |
| Name all parts of the sphenoid bone on the superior view | The Superior orbital fissure Optic canal Optic groove Lesser wing Greater wing Sphenoidal spine Anterior clinoid process Posterior Clinoid process sella turcica Tuberculum sellae dorsum sellae foramen ovale foraman spinosum foramen rotundum |
| What does the Clivus support | pons |
| Where does the optic groove end | Each side at the optic Canal |
| Where does the optic groove extend | Across the anterior portion of the tuberculum Sallae |
| where and what is the sella turcica bounded by | anteriorly; by the tuberculum sellae |
| How many wings does the sphenoid have | 4 2 lessor 2 greater |
| What do the greater wings of the sphenoid bone form | Part of the floor and sides of the cranium |
| Name the parts of the frontal bone on the anterior view | Frontal eminence frontal squama supraorbital margin supraorbital foramen supercillary arch nasal spine glabella |
| Coronal Suture | separates frontal bone from both parietal bones. |
| Sagittal Suture | separates both parietal bones in the midline. Anterior portion is known as the Bregma. Posterior aspect is called Lambda. |
| Lambdoidal Suture | separates the two parietal bones from the occipital bone. |
| Squamosal Suture | are formed by the inferior junctions of the two parietal bones with their respective temporal bones. |
| Pterions Suture | points at the junction of the parietals, temporals, and greater wings of the sphenoid. |
| where is the Asterions Suture point located | corresponding to the posterior end ear where quamosal and Lambdoidal sutures meet. |
| what are sutures points are used in | surgery where cranial measurements are necessary. |
| define fontanels | |
| soft spots are termed | the anterior and posterior fontanels in an infant. |
| The cranial suture themselves generally do not ossify completely until what age | until an individual is their mid to late 20’s. |
| Six fontanels in infants | • Anterior fontanel – Bregma in adult • Posterior fontanel – Lambda in adult • Right sphenoid fontanel – Right pterion • Left sphenoid fontanel – Left pterion • Right mastoid fontanel – Right asterion • Left mastoid fontanel - Left asterion |
| Mesocephalic skull | Skull of average shape. Width is 75% to 80% of the length. Angle difference between the petrous pyramid and the MSP – 47 degrees. Skull |
| Brachycephalic skull | A short, broad head is termed brachycephalic. 80% or greater than the length. Angle difference between the petrous pyramid and the MSP – greater than 47 degrees. (approx. 54 degrees) |
| Dolichocephalic Skulls | A long, narrow head is called dolichocephalic. Less than 75% Angle difference between the petrous pyramid and the MSP – less than 47 degrees. (approx. 40 degrees) |
| describe the clivus | clivus latine for "slope" at the skull base shallow depression behind the dorsum sallae slopes obliquely backwards |
| what kind of joints are sutures | immovable fibrous joints or synarthroses |
| define sutures | Articulations or joints of the cranium |
Created by:
knt5411
Popular Radiology sets