Skull Has 28 Bones and the Hyoid Bone

Skull Guided Notes

Skull has 28 Bones and the Hyoid Bone -___ single -___ paired Cranium -Single -______-Sphenoid -______-Occipital Face -Single -______-Vomer -Paired -______-Zygomatic -______-Inferior Nasal ______-______Auditory Ossicles (Bones of the ear) -Malleus -______-Stapes Frontal (1) Markings: -Anterior Cranial Fossa-supports ______lobe -Frontal Squama-______-Supraorbital Margins-______bone at ______-Glabella- ______area between ______-Supraorbital foramen-passage for ______and nerves -Frontal sinuses- lateral to ______Parietal (2) -on top; lateral ______of the skull -Sutures 1. Coronal-parietal meets ______2. Sagittal-parietal meets ______3. Lamboidal-parietal meets ______4. Squamous-parietal meets ______Occipital (1) -Posterior cranial fossa- supports ______-Foramen Magnum- connects with spinal cord (opening at base of skull) -Hypoglossal canals- passage for ______nerves -Occipital condyles-permits the “______” motion Temporal (2) -Zygomatic process-posterior ______-Mandibular fossa-forms part of the ______(temporal mandibular joint) -External auditory meatus-ear ______-Styloid process-attaches ______and ______muscles and ______bone -Mastoid process-______neck muscles -Stylomastoid foramen-passage for facial ______-Middle cranial fossa- ______temporal lobe Sphenoid (1) ______shaped bone that articulates with ____ other cranial bones -Sella turcica-encloses ______gland -Greater wings -Lesser ______-Pterogoid processes-anchors ______muscles -Sphenoid sinus -Several ______for passing ______and nerves Ethmoid (1) -Cribiform plate- ______of the ______cavities that has holes that allows passage for ______nerves to pass into the ______(looks like a sieve) -Crista galli-______brain to cranial ______-Ethmoid sinus Facial Bones: Mandible -Body-______-Alveolar margins-______teeth -Mental ______-passage for blood vessels and ______to the chin -Rami-______uprights from the body -Mandibular notch-superior ______-Coronoid process-insertion of ______muscle (anterior) -Mandibular condyle-articulates with ______bone -Mandibular ______-medial surface of rami, ______to the lower ______(______area) Maxillary -______margins-holds ______teeth -Palantine process-anterior ______of the ______palate -Frontal process-part of the ______of the ______-Maxillary sinus-______sinus Zygomatic (2) -______-articulates with ______(posterior) and ______(anterior) Nasal Bones (2) -______medially to form the ______of the nose Lacrimal (2) -______, forms the ______wall of the orbit -______fossa-houses ______ducts Palantine Bones (2) -posterior ______palate Vomer (1) -______shape, part of the nasal ______Inferior Nasal ______(2) -part of the ______cavity Sinuses -Para-nasal-around the nasal cavity -Function-______skull, enhance ______, warms and ______inspired air Hyoid (1) -In the anterior ______, ______, and is the only bone that’s ______touching another bone. It ______the ______Auditory Ossicles (bones of the ear) -Malleus -______-Stapes -Function- tiny ______join in a ______. Transmits ______from the eardrum Fetal Skull-Very ______and Incomplete -Allows ______through the birth ______-Allows brain ______-Birth-cranium is ______compared to the ______bones -From ages ______, the face grows -______, nose ______become ______-______passages and ______teeth develop Wormian Bones -tiny ______shaped bones that appear in ______lines -______among individuals -______