skeletal system Flashcards
(37 cards)
How many bones in the axial system
80 bones
the skull has 2 sets of bones what are they?
the cranium bones and the facial bones
what is the cranium divided into
the cranial vault and the cranial base
name 8 of the cranial bones
the frontal bone, parietal bone, occipital bone, temporal bone, sphenoid bone, and ethmoid bone
what is the frontal bone
the shell shaped dome in the anterior portion of the cranium
what is the parietal bone
the parietal bone is the top of the skull and is separated from the frontal bone by the coronal suture
what is the occipital bone
the occipital bone is the back of the skull it is separated from the parietal bone by the lamboid suture
what is the temporal bone
sides of the face surrounding the ear stops at jaw separated by the parietal bone by the squamous suture
what is the sphenoid bone?
in between the frontal bone and the temporal bone separated from the temporal bone by the
what is the ethmoid bone
this is the nose bone a bone almost inside of the skull
what are all facial bones 12
the mandible, maxillary bones, zygomatic bones, nasal bone, lacrimal bone, and hyoid bone
what is the mandible bone
the jaw and its the strongest of the facial ones
what is the maxillary bones
the maxillary is the top of the jaw and below cheek bones
what are the zygomatic bones
these are the cheek bones and the lower sides of the eye
what is the nasal bone?
this is the bridge of the nose
what are the lacrimal bones
behind nose almost inside of eye socket
what are the palatine bones
like top of the mouth deep from the maxillary
the hyoid bone
the is more to the neck below the chin
what forms the naval cavity
the roof, lateral walls, floor, and nasal septum
how many lumbar vertebrae are there?
5 labeled L1-L5
what vertebrae are above the lumbar and how many?
12 thoracic vertebrae
what section of vertebrae is below the lumbar?
the sacral
how many cervical and what is the cervical?
7 and the very top
what is the coccyx
4 fused vertebrae at the very bottom
