Hyoid and Occipital bones - landmarks, functions, attachments Flashcards
What is the name of this bone?
Hyoid bone
What attaches to body of hyoid bone? (7. Yes, 7 goddamn muscles attach here. Good news: 5/7 of them have “hyoid”in the name”)
Geniohyoid, Genioglossus, Hyoglossus, Mylohyoid, Sternohyoid, Omohyoid, Thyrohyoid muscles
What attaches to the greater cornu of the hyoid bone? (4)
Middle constrictor, hyoglossus, stylohyoid muscles, and intermediate tendon of digastric muscle
What attaches to the lesser cornu? (2)
Middle constrictor and stylohyoid muscles
What’s the name of this bone?
Occipital bone
What’s the name of this landmark?
External occipital protuberence
What attaches to the external occipital protuberence?
Ligamentum nuchae
What’s the name of this landmark?
Superior nuchal line
What attaches to the superior nuchal line? (4)
Trapezius, sternocleidomastoid, semispinalis capitis & splenius capitis muscles
Name this landmark
Inferior nuchal line
What attaches to the inferior nuchal line? (3)
Rectus capitis posterior major & minor & semispinals capitis muscles
Name this landmark
Internal occipital protuberence
What attaches to the internal occipital protuberence?
Falx cerebelli
What is the name of the sinus that is superior to the internal occipital protuberence?
Superior sagittal sulcus
What is the function of the superior sagittal sulcus?
It houses the superior sagittal sinus
Name this landmark.
Sulcus for transverse sinus
Name this landmark
Sulcus for the sigmoid sinus
Name this landmark
Foramen magnum
Name this landmark.
Pharyngeal tubercle
What attaches at the pharyngeal tubercle?
Pharyngeal raphe
Name these landmarks
Occipital condyles
Name this landmark (tiny little holes next to foramen magnum)
Hypoglossal canal
What is the function of the hypoglossal canal?
It transmits the hypoglossal nerve.
Name this landmark
Jugular notch & foramen
What is the function of the jugular notch & foramen?
It transmits the internal jugular vein, the glossopharyngeal nerve, vagus nerve, and accessory nerve
