Positioning 3-2: Skull

25 terms by GregTheOreo

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(A) Midsagittal Plane (B) Outer Canthus (C) Infraorbital Margin (D) Angle of Mandible - Gonion (E) Nasion

(A) Glabella (B) Interpupillary Line (C) Inner Canthus (D) Acanthion (E) Mental Point

(A) Glabella (B) Nasion (C) Acanthion (D) Mental Point (E) Glabelloalveolar Line

(A) External Acustic Meatus - EAM (B) Glabellomeatal Line (C) Orbitomeatal Line (D) Infraorbitalmeatal Line - IOML (E) Acanthomeatal Line - AML (F) Mentomeatal Line - MML (G) Glabelloalveolar Line (H) Gonion

Mesocephalic Skull

The typical, average skull that skull positioning is based on

Brachycepalic

(What type of skull is described?) Short from front to back, broad from side to side,k and shallow from vertex to base

Dolichocephalic

(What type of skull is described?) Long from front to back, narrow from side to side, deep from vertex to base

Brachycepalic

(What type of skull is described?) The internal structures are higher with reference to the IOML and their long axes are more frontal in position.

Dolichocephalic

(What type of skull is described?) The internal structures are lower with reference to the IOML and their long axes are less frontal in position.

OML; IOML

In the adult, an average 7 degree angle difference exists between the _____ and the _______.

OML; glabellomeatal line

Also in the adult, an average 8 degree angle difference exists between the _____ and the ___________ ______.

47

In the typical skull shaped head, the petrous pyramids projecte anteriorily and medially at an angle of ___ degrees from the MSP of the skull.

wider; 54

In the brachycephalic skull, the petrous pyramids form a _______ ange with the MSP of ___ degrees.

narrower; 40

In the dolichocephalic skull, petrous pyramids form a _______ angle with the MSP of ___ degrees.

22

How many bones in total complete an entire skull?

8

How many cranial bones exist in the skull?

14

How many facial skulls are found in a skull?

planes; palpated; skull

Basic localization points and _______ of the skull (all of which can be either seen or ________) are used in radiograpic positioning of the _______.

Dolichocephalic

(What type of skull is described?) The petrous pyramids form a narrower angle with the MSP of 40 degrees.

Brachycephalic

(What type of skull is described?) The petrous pyramids form a wider ange with the MSP of 54 degrees.

EAM

(Give abbv.) external acoustic meatus

OML

(Give abbv.) orbitomeatal line

IOML

(Give abbv.) infraorbitalmeatal line

AML

(Give abbv.) acanthomeatal line

MML

(Give abbv.) mentomeatal line

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