Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


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. Your email address is only used to allow you to reset your password. See 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
edit
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; Cranial Bones and Their Markings; Sphenoid

QuestionAnswer
Sphenoid Keystone of the cranial floor; forms its midportion; resembles a bat with wings outstretched and legs extended downward posteriorly; lies behind and slightly above the nose and throat; forms part of the floor and sidewalls of the orbit
Body Hollow, cubelike central portion
Greater wings Lateral projections from the body; form part of the outer wall of the orbit
Lesser wings Thin, triangular projections from the upper part of the sphenoid body; form the posterior part of the roof of the orbit
Sella turcica Saddle-shaped depression on the upper surface of the sphenoid body; contains, the pituitary gland; literally "turkish saddle"
Sphenoid sinuses Irregular mucosa-lined, air-filled spaces within the central part of the sphenoid
Pterygoid processes Downward projections on either side where the body and greater wing unite; comparable to the extended legs of a bat if the entire bone is likened to this animal; form part of the lateral nasal wall
Optic foramen Opening into the orbit at the root of the lesser wing; transmits the optic nerve
Superior orbital fissure Slitlike opening into the orbit; lateral to the optic foramen; transmits the third, fourth, and part of the fifth cranial nerves
Foramen rotundum Opening in the greater wing that transmits the maxillary division of the fifth cranial nerve
Foramen ovale Opening in the greater wing that transmits the mandibular division of the fifth cranial nerve
Foramen lacerum Opening at the junction of the sphenoid, temporal, and occipital bones; transmits a branch of the ascending pharyngeal artery
Foramen spinosum Opening in the greater wing that transmits the middle meningeal artery to supply the meninges
Created by: Jgiron6994
Popular Anatomy sets

 

 



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