Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

PIMA BIO130

CHP8 Skeletal; Special Features of the Skull

QuestionAnswer
Sutures Immovable joints between skull bones
Squamous suture Line of articulation along the top curved edge of the temporal bone
Coronal suture Joint between the parietal bones and frontal bone
Lambdoid suture Joint between the parietal bones and occipital bone
Sagittal suture Joint between the right and left parietal bones
Fontanels "Soft spots" where ossification is incomplete at birth; allow some compression of the skull during birth; also important in determining the position of the head before delivery; six such areas located at angles of the parietal bones
Anterior (or frontal) fontanel At the intersection of the sagittal and coronal sutures (juncture of the parietal bones and frontal bone); diamond shaped; largest of the fontanels; usually closed by 11.2 years of age
Posterior (or occipital) fontanel At the intersection of the sagittal and lambdoid sutures (juncture of the parietal bones and occipital bone); triangular; usually closed by the second month
Sphenoid (or anterolateral) fontanel At the juncture of the frontal, parietal, temporal, and sphenoid bones
Mastoid (or posterolateral) fontanel At the juncture of the parietal, occipital, and temporal bones; usually closed by the second year
Air sinuses Spaces. or cavities, w/in bones; those that communicate with the nose are called paranasal sinuses (frontal, sphenoidal, ethmoidal, and maxillary); mastoid cells communicate with the middle ear rather than the nose, not included among the paranasal sinus
Frontal bone forms what part of orbit Roof of the orbit
Ethmoid bone forms what part of orbit Medial wall
Lacrimal bone forms what part of orbit Medial wall
Sphenoid bone forms what part of orbit Lateral wall
Zygomatic bone forms what part of orbit Lateral wall
Maxilla forms what part of orbit Floor
Palatine bone forms what part of orbit Floor
Nasal septum formed by Partition in the midline of nasal cavity; separates the cavity into right and left halves
Perpendicular plate of the ethmoid bone forms what part of nasal septum Forms the upper part of the septum
Vomer forms what part of nasal septum Forms the lower, posterior part of the septum
Cartilage forms what part of nasal septum Forms the anterior part of the septum
Sutural (wormian) bones Small islets of bone in sutures; vary greatly from person to person
Malleus, incus, stapes Tiny bones, referred to as auditory ossicles, in the middle ear cavity in the temporal bones; resemble, respectively, a mini hammer, anvil, and stirrup
Created by: Jgiron6994
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards