Bones Flashcards
3 Cranial Fossa
- Anterior fossa- holds the frontal lobe
- Middle fossa- holds the temporal lobe
- Posterior fossa- contains cerebellum
6 major cavities within skull
- Cranial cavity
- Orbital cavity
- Ethmoid sinus
- Nasal cavity
- Maxillary sinus
- Oral cavity
How many bones are in skull?
22 bones
Neurocranium
8 bones connect to form protective brain case (cranial bones)
Viscerocranium
14 bones connect to form facial bones
Frontal bone
Unpaired
Cranial bone
Parietal bone
Paired
Cranial bones
Temporal bone
Paired
Cranial bones
Occipital bone
Unpaired
Cranial bones
Sphenoid bone
Unpaired (wing shaped, pituitary gland)
Cranial bone
Ethmoid
Unpaired
Cranial bone
Mandible
Unpaired
Facial bone
Maxilla
Paired
Facial bone
Palatine bone
Paired
Facial bone
Zygomatic bone
Paired
Facial
Nasal bone
Paired
Facial bone
Lacrimal bone
Paired (smallest of the skull bones)
Facial bone
Vomer
Unpaired
Facial bone
Inferior nasal conchae
Paired
Facial bone
Mandible
a curved, horizontal portion, the body
base
Mandible
two perpendicular parts, unite with the ends of the body nearly at right angles
ramus
Mandible
the tooth bearing area of the mandible (upper part of the body of the mandible)
alveolar process
Mandible superior (upper) and posterior projection from the ramus, which makes a joint with the temporal bone
condyle
Mandible
superior and anterior projection from the ramus. This provides attachment to the temporalis muscle
coronoid process
Mandible
chin area
mental protuberance
palatine
bone inside of skull
