Ch Pt 2 Flashcards
sella turcia
“turk’s saddle” it protects the pituitary gland, which is the body’s gland master
Four bones that have perinasal sinuses
(cranium) Frontal, sphenoid, ethmoid, and maxilla
Foramen magnum
the largest foramen in the skull
external occipital protuberance
knot on back of head
bones of the hard palate
4 bone; maxilla (palatine process), Maxilla, Palatine (horizontal plate) and Palatine
Cribriform foramina
olfactory, sense of smell
How many cranial bones?
8; frontal bones, parietal bones (2), occipital bones, Temporal bones (2), sphenoid bone, ethmoid bone
What does the occipital bone articulate with?
1st vertebrae
4 major regions of temporal bones
Squamous, tympanic, mastoid, and petrous
Mastoiditis
Inflammation of the mastoid process when it becomes infected
Sphenoid bone
Bat or butterfly shaped; keystone bone; Greater wing, lesser wing, and pterygoid process
ethmoid bone
Deepest skull bone; superior part of nasal septum and roof of nasal cavities; contributes to the medial wall or orbits; christa galli for dural attachment
How many facial bones?
14; mandible, maxillary (2), Zygomatic, Nasal, Lacrimal (2), Palatine (2), vomer, inferior nasal conchae (2)
Muscles in neck
you have a TON of muscles in your neck. They attach to your hyoid bone
Hyoid bone
Sesamoid bone imbedded in neck muscles. Adds stability to the neck . forensic effect: When one is strangled or throat is sliced, it usually breaks. movable base for tongue. site of attachment for swallowing and speech
