More Specific Human Osteology & Dentition Flashcards
How many bones are in the cranium?
21 outwardly visible bones & 6 ear ossicles
What is the forehead bone?
frontal
What are the cheekbone bones?
zygomatic (2)
Bones of the upper teeth?
maxillae (2)
Bones of the very back of the mouth?
palatine (2)
Bones covered with scent smelling tissue?
nasal conchae (2)
Plate in the nose?
vomer
What are the bones of the cranium?
frontal, parietal (2), occipital, temporal (2), zygomatic (2), maxillae (2), palatine (2), nasal (2), nasal conchae (2), vomer, lacrimals (2), ethmoid, sphenoid, ear ossicles (6)
obliteration
when sutures are fused so much that the line disappears
Sagittal suture
separates parietal bones
Coronal suture
separates frontal from parietals (headband)
Lambdoid suture
separates occipital from parietals (triangular)
What are cranial landmarks used for?
description and measurement
Sinuses
pockets of air within some cranial bones
Why are the frontal sinuses important?
they form uniquely to each other, also a pretty common x-ray view
Hyloid
located below lower jay
Sternum
very front of rib cage
What are the three parts of the sternum
manubrium, body, and xiphoid process