bomes
located in between superior articular facets of the sacrum anterior to the sacral canal
base of the sacrum
latitudinal region of mandible
body
pedicle of vertebra
bone region between body and transverse process
lamina of vertebra
bone region between transverse process and spinous process
what rib-articulating facet does T10-T12 have
facet
differentiating characteristics of thoracic vertebra
facets/demifacets, and elongated spinous process
intervertebral discs are made of what type of connective tissue
fibrocartilage
ribs 11-12 are considered
floating ribs
ethmoid bone
floor and anterior wall of cranial cavity
vomer
forms the inferior portion of the nasal septum
4 single cranial bones
frontal, occipital, ethmoid, and sphenoid
differentiating characteristics of lumbar vertebrae
large body, and hatchet spinous process
two elevated ridges material to the posterior sacral foramina
lateral sacral crest
inferior nasal conchae
lie inside the nasal cavity and serve to increase the turbulence of air flowing through in route to the lungs
name ossicle bones
malleus, incus, stapes
2 single facial bones
mandible and vomer
Temporal Mandibular junction
mandibular fossa off the temporal bone articulates with the mandibular condyles of the mandible
what two major Bones components make up the sternum
manubrium, and body
6 paired facial bones
maxilla, zygomatic, lacrimal, nasal, inferior nasal conchae, and palatine
elevated ridge in the medial portion of the posterior view of the sacrum
median sacral crest
Holes in mandible below teeth
mental foramen
nasal bones
nasal bones form the superior portion of the bridge of the nose
differentiating characteristic of atlas
no body
posterior to the base of the sacrum
sacral canal of the sacrum
located directly inferior to the median sacral crest of the sacrum
sacral hiatus
pathological bend along frontal(left or right) plane of vertebra
scoliosis
Bone features of sphenoid bone
sella turcica, lesser wings, greater wings, and optic foramen
sphenoid bone
serves to unite the cranial and facial bones, acting as a keystone to strength the lateral walls of the cranium.
what is the are of articulation between the manubrium and body fat he sternum called
sternal angle
processes of a vertebra
superior articular process, spinous process, and transverse process
what rib-articulating facet does T9 have
superior demifacet
what two rib-articulating facets does T2-T8 have
superior demifacet and inferior demifacet
what two rib-articulating facets does T1 have
superior facet and inferior demifacet
two parietal bones
superior lateral walls of cranial cavity
three nasal conchae
superior, middle, inferior
bone feature of frontal bone
supraorbital foramen
what feature of the sternum is located on the superior edge of the manubrium
suprasternal notch
what process of the zygomatic bone forms part of the zygomatic arch
temporal process
the rib number corresponds to
the Thoracic vertebrae number of the superior demifacet
lacrimal bones
together with the maxillae, the lacrimal bones contribute to the medial portion of eye orbit
Alveoli (alveolar process)
tooth socket
The head of rib 6 articulates with the inferior demifacet if T5 and articulates with he superior demifacet if T6
true
The tubercle of rib 6 articulates with the transverse process of thoracic vertebra 6
true
what feature do floating ribs lack (11-12)
tubercle
ribs 8-12 are considered
vertebrochondral ribs
what bone feature is located at the very inferior end of the body of the sternum
xiphoid process
does the sacrum have a superior articular facet
yes
zygomatic arch
zygomatic process of temporal bone articulates with temporal process of zygomatic bone
features of temporal bone
zygomatic process, external acoustic meatus, mastoid process, styloid process, mandibular fossa
bones that make up the orbit of the eye
zygomatic, palatine, lacrimal, maxilla, sphenoid, frontal, ethmoid
how many curves are there in the vertebra of a fetus
1
to side a bone, you need
1) an anterior or posterior reference 2) a medial or lateral reference
what ribs are true ribs
1-7
how many pairs of ribs are there
12
number of thoracic vertebra
12
how many bones make up the appendicular skeleton
126
how many facial bones are there
14
how many curves are in an adult vertebra
4
number of lumbar vertebra
5
number of cervical vertebra
7
how many cranial bones are there
8
what ribs are false ribs
8-12
how many bones make up the axial skeleton
80
what is the name of the first cervical vertebra
Atlas (C1)
differentiating characteristic od axis
Dens of axis
Occipital bone features
Foramen magnum, external occipital protuberance, occipital condyles
three major features of a rib
Head, tubercle, and shaft(body)
pathological bend at the cervical vertebra
Hyperkyphosis
palatine bone
L-shaped bones that form, with the maxillae, part of the bony roof of the mouth and a small portion of the eye orbit
differentiating characteristics of cervical vertebra
Transverse foramen, and bifurcated spinous process
hyoid bone
U-shaped bone that is not attached to axial skeleton -serves for attachment of muscles that control the mandible,, tongue, and larynx -no articulations with any other bones
articulation is
a joint or point of contact between bones, cartilage and bones, and teeth and bone
fact about rhinoplasty
a rhinoplasty can involve changing skin or cartilage of nose and even the bone of the nose -two procedures: closed: incisions are hidden inside the nose open: incision is made across columella
functions of fontanels
allow the head of the infant to fit through the mothers pelvis at birth (as the bones of the skull are not yet formed) -to accommodate the growing brain
bone features of the maxilla
alveoli, and palatine process
frontal bone
anterior portion of cranial cavity
directly inferior to the anterior sacral foramina
apex of the sacrum
small lips located on the very lateral edges of the posterior sacrum
auricle
what is the name if the second cervical vertebra
axis (c2)
regions of the vertebral column
cervical, thoracic, lumber, sacrum, and coccyx
what feature of the sternum is located on the superior and lateral portion of the manubrium
clavicular notch
small pointy process at the end of the sacrum
coccyx
posterior process of mandible
condylar process
4 main sutures
coronal, sagittal, lambdoid, and squamous(2)
sutures of the skull
coronal, sagittal, lambdoid, squamous
anterior process of mandible
coronoid process
ethmoid bone features
crista galli, cribriform plate, olfactory foramina, superior nasal conchae, middle nasal conchae, perpendicular plate
costal cartilage is made up of what type of tissue
hyaline cartilage connective tissue
pathological bend at lumbar vertebra
hyperlordosis
facets of a vertebra
inferior articular facet, superior articular facet, inferior/superior demifacets, and superior/inferior facets
temporal bones
inferior lateral walls of cranial cavity; house organs of inner ear
what classifies a true rib
own individual connection to sternum
2 paired cranial bones
parietal(2) and temporal(2) bones
pectoral girdle
point where bones of appendicular skeleton articulate with he axial skeleton
occipital bone
posterior wall of cranial cavity
fetal fontanels
posterolateral (mastoid) fontanel, anterolateral (sphenoid) fontanel, anterior fontanel, and posterior fontanel
longitudinal region of mandible
ramus
mandible
the lower jawbone that articulates with the temporal bone, forming the only moveable joint of the skull. The mandible also has alveoli for articulation with the teeth
maxilla
the two maxillae together form the upper jawbone. Each maxilla has alveoli for articulation with the teeth. The maxillae also form the inferior and medial portions of the eye orbit, and part of the bony roof of the mouth
zygomatic bones
the two zygomatic bones form the cheekbones and the lateral portion of the eye orbits