Bony Landmarks Flashcards
Digastric fossa
Attach anterior digastric muscle
Mental foramen
Transmits the mental nerve, artery, and vein
Alveolar part
Houses roots of teeth
Mylohyoid line
Attach mylohyoid muscle
Submandibular fossa
Houses submandibular gland
Sublingual fossa
Houses the sublingual gland
Superior genial tubercle (superior mental spine)
Attach genioglossus muscle
Inferior genial tubercle (inferior mental spine)
Attach geniohyoid muscle
Mylohyoid groove
Houses mylohyoid nerve
Ramus angle
Attach masseter and medial pterygoid muscles
Mandibular foramen
Transmits the inferior alveolar nerve, artery, and vein
Mandibular canal
Houses the inferior alveolar nerve, artery, and vein
Lingula
Attach sphenomandibular ligament
Mylohyoid groove
Houses mylohyoid nerve
Coronoid process
Attach temporalis muscle
Temporal crest
Attach temporalis muscle
Mandibular (sigmoid) notch
transmit the nerve and artery to the masseter muscle
Pterygoid fovea
Attach lateral pterygoid muscle
Body of Hyoid bone
Attach mylohyoid, neioglossus, sternohyoid, omohyoid and thryrohyoid muscles
Greater cornu of Hyoid bone
Attach middle constrictor, hyoglossus, and stylohyoid muscles
Lesser cornu of Hyoid bone
Attach middle constrictor and stylohyoid ligament
External occipital protuberance
Attach ligamentum nuchae
External occipital crest
Attach ligamentum nuchae
Superior nuchal line
Attach trapezius, sternocleidomastoid and splenius capitis muscles
Inferior nuchal line
Attach rectus capitis posterior major and minor muscles
Internal occipital protuberance
Attach falx cerebelli
Superior sagittal sulcus
Houses superior sagittal sinus
Sulcus for transverse sinus
Houses the transverse sinus
Basilar part of Occipital bone
Attach longis capitis and rectus capitis anterior muscles
Foramen magnum
Transmits the spinal cord, vertebral artery and vein, and accessory nerve
Pharyngeal tubercle
Attach pharyngeal raphe
Occipital condyles
Articulates with atlas
Hypoglossal canal
Transmit hypoglossal nerve
Jugular notch and foramen
Transmits the internal jugular vein, glossopharyngeal, vagus, and accessory nerves
Sulcus chiasmatis
Houses the optic chiasm
Optic canal
Transmits the optic nerve and ophthalmic artery
Hypophyseal fossa
Houses the pituitary gland
Carotid groove
Houses internal carotid artery and carotid nerve
Foramen rotundum
Transmits the maxillary nerve
Foramen ovale
Transmits the mandibular nerve and accessory meningeal artery
Spine (of sphenoid)
Attach sphnomandibular ligament
Foramen spinosum
Transmits the middle meningeal artery and meningeal (recurrent) branch of the mandibular nerve
Lateral surface
Attach temporalis and lateral pterygoid muscles
Superior orbital fissure
Tranmits the ophthalmic, oculomotor, trochlear, and abducens nerves and the ophthalmic vein
Anterior clinoid processes
Attach tentorium cerebelli
Pterygoid fossa
Attach medial pterygoid muscle
Scaphoid fossa
Attach tensor palatini muscle
Pterygoid canal
Transmits the nerve of the pterygoid canal
Lateral pterygoid plate
Attach lateral and medial ptertgoid muscles
Pterygoid hamulus
Deflects the tendon of the tensor palatini muscle
Temporal surface
Attach temporalis muscle
Zygomatic process
Attach masseter muscle
Mandibular fossa
Articulate with TMJ disc
Petrotympanic issure
Transmit chorda tympani nerve