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Anterior Cranial Fossa:
CN I (Olfactory Nerve)
Front Lobe
Anterior Cerebral A.
Middle Cerebral A.
Anterior Communicating A.
Superior Sagittal Sinus
Middle Cranial Fossa:
CN 2-6
1. Optic Canal (ophthalmic artery and optic nerve)
2. SOF (CN III, VI and ophthalmic branch of CN V)
3. foramen rotundum (maxillary branch of CN V)
4. foramen ovale (mandibular branch of CN V)
5. Foramen Spinosum (middle meningeal artery)
6. Foramen Lacerum - closed off with cartilage (ICA passes above it)
Other Structures in Middle Cranial Fossa
1. Sella Tursica (middle of MCF and is composed of: tuberculum sellae, pituitary fossae and dorsum sellae)
2. hiatus of the greater petrosal nerve (greater petrosal nerve of CN VII)
3. hiatue of the lesser petrosal nerve (lesser petrosal nerve of CN IX)
4. Trigeminal Impression (trigeminal ganglion of CN V)
5. Carotid Groove (w/ICA)
6. Arcuate eminence (superior semicircular canal beneath)
7. Tegman Tympani (roof of middle ear cavity)
What else can I help you with?
The coronoid fossa is on what side of the humerus?
The coronoid fossa is located on the anterior side of the humerus, which is the side facing towards the front of the body.
What bones fits into the olecranon fossa?
the ulna fits into the olacranon fossa, specifically the olecranon process.
Bone that contains the olecranon fossa?
The bone that contains the olecranon fossa is the humerus, which is located in the upper arm. The olecranon fossa is a depression on the posterior side of the humerus that accommodates the olecranon process of the ulna when the arm is extended.
Which one of the following veins is found only in or below the AC fossa?
The basilic vein is found only in or below the AC fossa.
What is the landmark that contacts with olecranon fossa to form its joint?
The landmark that contacts with olecranon fossa to form its joint is the olecranon process of the ulna. It forms the elbow joint with the humerus at the olecranon fossa, providing stability and allowing for extension of the forearm.
Name the three cranial bones that contain sinuses?
Anterior cranial fossa which accommodates the anterior lobe of brain.Middle cranial fossa, much wider than the anterior cranial fossa contain the 2 temporal lobes of brain.Posterior cranial fossa is much shallower and wider than the middle cranial fossa and it accommodates the occipital lobes of the brain.
Which part of the brain rests in the anterior cranial fossa?
The frontal lobe of the brain rests in the anterior cranial fossa. It plays a key role in functions such as reasoning, planning, movement, emotions, and problem-solving.
Hinge fracture of skull is seen in accidents involving?
Hinge fracture of skull is a basilar fracture of skull involving middle cranial fossa & pituitary fossa dividing the base of the skull into an anterior and posterior segments. Its associated with blows to the chin as sustained by boxers or motorcyclists who fall on the road surface striking the chin
Is the subscapular fossa located anterior or posterior to the supraspinatus and infraspinarus fossae?
The subscapular fossa is located anterior to the supraspinatus and infraspinatus fossae on the scapula.
What is the large fossa of the anterior aspect of the scapula?
The large fossa of the anterior aspect of the scapula is called the subscapular fossa. It is located on the anterior surface of the scapula and provides attachment for the subscapularis muscle, which is one of the four muscles that make up the rotator cuff in the shoulder.
What is the anterior aspect of the elbow?
Cubital fossa
Where on the body is the cubital fossa?
The cubital fossa is the depression located on your anterior elbow. The popliteal fossa is on the posterior aspect of the knee.
What does opthalmic nerve innervate?
opthalmic nerve is the brach of trigerminal nerve. It innervate the sensory on your forehead. It also innervates the structure inside the skull such as the tentorium cerebelli, falx cerebri and part of the anterior cranial fossa.
What bones make up posterior cranial fossa?
The Occipial bone.
What is the name the anterior depression on the scapula?
The anterior depression on the scapula is called the subscapular fossa. It is located on the anterior surface of the scapula and serves as the attachment site for the subscapularis muscle.
Where does the cerebellum lie?
in the posterior cranial fossa (below the occipital lobe of cerebrum)
What part of bones are the greater and lesser wings?
The greater wing is part of the sphenoid bone in the skull, forming a portion of the side of the skull and the floor of the cranial cavity. The lesser wing is also part of the sphenoid bone, located above the greater wing and forming a portion of the anterior cranial fossa.
