5B Notes about structure Ethmoid Bone

Question 1

Ethmoid Bone: Crista Galli
A triangular ____ at the ____ aspect of the Ethmoid bone
it is the site of attachment of the ____ ______

Answer 1

projection, superior 
falx cerebri (part of brain dura matter)

Question 2

Dura (matter) is?

where is it?

Answer 2

brain protective covering between skull and brain

Question 3

Ethmoid Bone: Cribriform plate
Perforated flat portion of the ethmoid bone that sits on either side of the ____ ____. The ____ bulbs sit in top of the Cribriform plates, traveling through the _____ (holes) are neurons of the _____ nerve (_____ nerve I) that carry ______ information about smell from nasal cavity to the brain

Answer 3

Crista Galli 
olfactory 
perforations 
olfactory 
(cranial) 
sensory

Question 4

Ethmoid Bone: Superior and Middle Nasal Conchae (Superior and middle turbinates)
The nasal conchae appear as “______” on the sides of the nasal ______.
Their purpose? slow down the ____ of ____ as we ____ in through our nose.
what’s the benefit? the ________can do a better job in filtering, warming and humidifying the ____ before it _____ to our _____ for gas exchange

Answer 4

"shelves" 
cavities 
flow of air as we breathe
Epithelium 
air
passes 
lungs