edson sospeter
Mar 5
Describe five opening found in middle cranial fossa???
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Mar 5
1. Foramen rotundum: This opening is located in the middle cranial fossa and allows for the passage of the maxillary nerve, a branch of the trigeminal nerve.
2. Foramen ovale: This opening is also located in the middle cranial fossa and allows for the passage of the mandibular nerve, another branch of the trigeminal nerve.
3. Foramen spinosum: This opening is located in the middle cranial fossa and allows for the passage of the middle meningeal artery, a branch of the maxillary artery.
4. Superior orbital fissure: This opening is located at the junction of the greater and lesser wings of the sphenoid bone in the middle cranial fossa. It allows for the passage of several structures, including the oculomotor nerve, trochlear nerve, abducens nerve, and ophthalmic division of the trigeminal nerve.
5. Foramen lacerum: This opening is located at the base of the skull, near the sphenoid bone. It is partially filled with cartilage and does not transmit any major nerves or blood vessels in adults, but in infants it allows for the passage of the internal carotid artery.
2. Foramen ovale: This opening is also located in the middle cranial fossa and allows for the passage of the mandibular nerve, another branch of the trigeminal nerve.
3. Foramen spinosum: This opening is located in the middle cranial fossa and allows for the passage of the middle meningeal artery, a branch of the maxillary artery.
4. Superior orbital fissure: This opening is located at the junction of the greater and lesser wings of the sphenoid bone in the middle cranial fossa. It allows for the passage of several structures, including the oculomotor nerve, trochlear nerve, abducens nerve, and ophthalmic division of the trigeminal nerve.
5. Foramen lacerum: This opening is located at the base of the skull, near the sphenoid bone. It is partially filled with cartilage and does not transmit any major nerves or blood vessels in adults, but in infants it allows for the passage of the internal carotid artery.
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