Topic 10: Skeletal System - Axial Skeleton (Skull, Hyoid) Flashcards
What are the three main bone groupings of the skull?
- Cranium
- facial bones
- auditory ossicles
How many bones are in the cranium?
- 8 bones (next to the brain)
How many bones are in facial bones?
- 14
How many bones are in auditory ossicles?
- 6 (3 bones on each side in the middle ears)
Name the 8 bones in the cranium (6)
1 frontal (forehead)
2 parietal (sides)
2 temporal
1 sphenoid
1 ethnoid
1 occipital (back of head)
What does the ethnoid form?
- forms superior and middle nasal conchae (deep into skull)
In lecture, what is the sphenoid?
- thin little strip connected throughout
Name the 14 facial bones (8)
2 nasal
2 maxillae
2 zygomatic
2 lacrimal
2 palatine
2 inferior nasal conchae
1 vomer
1 mandible
in lecture, the nasal bone is the ___ part of the nose
superior (bridge)
in lecture, the maxillae ___ at the middle. If they do not, it causes ___ lip.
- fuse
- cleft
In lecture, the zygomatic bone are your ____ that connect to where to form what?
- cheekbones
- connects to temporal bone to form the zygomatic process
In lecture, the lacrimal bone includes your ___ducts
tear
What bones form the hard palate?
2 palatine and 2 maxillae
In lecture, the mandible also refers to your __. It connects to the ____ bone
- jaw
- temporal
In order, what are the three auditory ossicles from the outside to inside the ear?
1) malleus
2) Incus
3) Stapes (smallest bone in body!!!)
