Anatomical Spaces Flashcards
(10 cards)
What are the three main cranial fossae?
Anterior Cranial Fossa, Middle Cranial Fossa, Posterior Cranial Fossa
These fossae are depressions in the base of the human skull.
What is the primary function of the anterior cranial fossa?
Protection of the delicate frontal lobes and pathway for olfactory sensory information
The anterior cranial fossa is crucial for the sense of smell.
What structures are protected by the posterior cranial fossa?
Brainstem and cerebellum
The posterior cranial fossa is essential for protecting vital brain structures.
List the functions of the ethmoidal sinus.
- Humidifying inhaled air
- Warming inhaled air
- Providing resonance for the voice
The ethmoidal sinus is located between the nasal cavity and the brain.
What are the functions of the maxillary sinus?
- Lightening the weight of the skull
- Providing resonance to voice
- Producing mucus to moisturize and clean nasal passages
The maxillary sinus is the largest of the paranasal sinuses.
What is the location of the middle cranial fossa?
Located between the anterior and posterior cranial fossae
It is one of the three depressions in the base of the skull.
What is the function of paranasal air sinuses?
Reduce weight of the skull, provide resonance for speech, produce mucus
The sinuses play multiple roles in respiratory health and vocal resonance.
What does the temporal fossa contain?
Muscles that move the lower jaw, blood vessels, nerves related to mastication
The temporal fossa is important for chewing and jaw movement.
True or False: The infratemporal fossa plays a role in facial expression.
True
The infratemporal fossa supports functions like chewing and speaking.
Fill in the blank: The _______ sinus is responsible for humidifying and warming inhaled air.
ethmoidal sinus
This sinus is located within the ethmoid bone.
