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143 Cards in this Set
- Front
- Back
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-unpaired bone
-sieve like -base of skull |
ethmoid
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upper portion of nasal septum
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perpendicular plate of ethmoid
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-contain ethmoid sinuses
-lamina papyracea |
lateral masses of ethmoid
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horizontal plate of ethmoid
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cribriform plate
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falx cerebri attachment
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crista galli of ethmoid
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origin for
LPM MPM |
lateral pterygoid plate
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lateral wall of orbit
roof of infratemporal fossa |
GREATER WING OF SPHENOID
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foramen rotundum transmits
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CN V-2
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foramen spinosum
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middle meningeal vessels
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roof of orbit
superior orbital fissure |
lesser wing of sphenoid
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most bones are
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endochondral
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bones grow
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appositional
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hyaline model before they ossify
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endochondral
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1st evidence of bone ossification
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8wk of prenatal dev
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bone formation takes place in preexisting cartilage
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endochondral
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bones form directly as bone
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intramembranous ossification
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bone remodeling
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osteclasts/blasts
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newly formed organic bone matrix
no calcification |
osteoid
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bone is hard bc
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calcification of extracellular matrix
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bone elastic elastic bc
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organic fibers
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mandibular fossa part of
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temporal bone
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mandibular fossa
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inferior surface of base of
ZYGOMATIC PROCESS |
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anterior of mand fossa=
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articular eminence
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fxn and articular portion of TMJ
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articular eminence
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posterior slope lined by
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fibrous connective tissue
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major growth site
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condyle
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1-ethmoid-perpendicular plate
2-vomer bone 3-septal cartilage === |
medial wall =
nasal septum |
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nasal cavity communicates with
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NASOPHARYNX
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NASAL CAVITY > NASOPHARYNX VIA
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choanae
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meatus
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area below concha
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blood supply of
nasal cavity |
maxillary >
sphenopalatine branch |
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frontal and ethmoid bones form
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anterior cranial fossa
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frontal lobe
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anterior cranial fossa
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cribriform plate
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anterior cranial fossa
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foramen cecum
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anterior cranial fossa
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crista galli
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anterior cranial fossa
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anterior cranial fossa
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frontal lobe
cribriform plate foramen cecum crista galli |
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sphenoid
temporal parietal bone |
middle cranial fossa
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superior orbial fissure
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middle cranial fossa
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optic/ caratid canal
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middle cranial fossa
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occipital/ temporal
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posterior cranial fossa
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hyoglossal canal
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posterior cranial fossa
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foramen magnum
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posterior cranial fossa
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internal auditory meatus
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posterior cranial fossa
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cerebellum
pons medulla oblongata |
posterior cranial fossa
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deep fossa's to zygomatic arch
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1-temporal fossa
2-infratemporal fossa |
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infratemporal fossa communicates...
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pterygopalatine
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infratemporal fossa communicates with
pterygopalatine fossa via |
pterygomaxillary fissure
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medial to zygomatic arch
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temporalis muscle
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zygomatic articulates with
ANTERIORLY |
MAXILLA
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zygomatic articulates with
POSTERIORLY |
temporal bone ---
the zygomatic process |
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fossa btw
pharynx ramus of mandible |
it is posterior to maxilla
*infratemporal fossa |
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infratemporal fossa contents
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MPM
LPM maxillary artery pterygoid plexus Mand V3 chorda tympani (facial nerve) otic ganglion (glossopharyngeal nerve) |
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MPM
LPM in what fossa |
infratemporal fossa
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max artery in what fossa
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infratemporal fossa
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chorda tympani
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infratemporal fossa
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anterior wall of infratemp fossa
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maxilla-posterior
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posterior wall of
infratemp fossa |
temporal bone-
tympanic part styloid process |
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medial wall of
infratemp fossa |
sphenoid bone-
lateral pterygoid |
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lateral wall of
infratemp fossa |
mandible -ramus
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pterygoid plexus
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infratemporal fossa
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otic ganglion
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infratemporal fossa
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roof of infratemporal fossa
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sphenoid-greater wing
*also greater wing forms lateral wall of orbit |
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floor of infratemp fossa
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where MPM inserts near angle of mandible
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maxillary artery in
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infratemp fossa
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pterygopalatine fossa communicates
medially with |
nasal cavity
via spenopalatine formen |
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pterygopalatine fossa communicates
posteriorly |
cranial cavity
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pterygopalatine fossa communicates
laterally |
with infratemp fossa
via pteygomax fissure |
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what lies in pterygopalatine fossa
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pterygopalatine ganglion
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pterygopalatine ganglion
receives preganglionic parasym fiber are |
facial nerve
via greater petrosal nerve |
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pterygopalatine ganglion
sends postgang parasymp fibers |
to lacrimal gland
palate gland |
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sphenopalatine foramen
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spenopalatine vein, arter, nerve
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pterygoid canal>>
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petrosal nerves (deep/greater)
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pterygomaxillary fissure
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posterior superior alveolar VAN
maxillary artery |
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foramen rotundum>>
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V2
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inferior orbital fissure >>
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v2
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pterygopalatine canal>>>
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greater/lesser
palatine VAN |
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pharyngeal canal >>
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V2 pharyngeal branch
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inferior nasal concha
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a seperate bone
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superior
middle conchae |
ethmoid bone
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space below conchae
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meatus
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conchae
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increase surface area within nasal cavity
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inferior meatus opening
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nasolacrimal duct
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middle meatus openings
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frontal sinus> drain
infundibulum |
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middle ethmoidal sinuses drain>>>
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ethmoidal bulla
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pterygoid processes >
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spenoid bone
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medial wall of infratemporal fossa
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lateral pterygoid plate
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lateral wall of nasal cavity
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medial pterygoid plate
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medial plate ends in
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hamulus
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oral cavity roof=
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1-maxilla
2-palatine bone |
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maxilla - palatine process =
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2/3 roof of mouth
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palatine bone > horizontal plate
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1/3 roof of mouth
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palatal muscle motor innervation
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pharyngeal plexus
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haversian system is found
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compact bone of
diaphysis |
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acetabulum
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head of femur
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acetabulum
superior |
ilium
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acetabulum
posteroinfer |
ischium
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acetabulum
anteromedially |
pubis
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osteomyelitis
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staph
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inherited increase in bone density
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albers-schonberg
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overgrowth/sclerosis
thickeing of cortex obilertion of medullary |
alber schonberg
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dwarfism
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achondroplasia
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brittle bone
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OI
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inadequate osteoid production
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OI
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multiple fx
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oi
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bone replaced w fibrous tissue
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fibrous dysplasia
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one bone
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monostotic fibrous dysplasia
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endocrine & many bones
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polyostotic fibrous dysplasia
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polyostotic fibrous dysplasia
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albright
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localized tissue death (necrosis)
regeneration of bone |
osteochondroses
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osteochondrosis
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avascular necrosis
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degeneration
aseptic necrosis > regeneration & reossification |
osteochondroses
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rapid bone growth>blood at growing ends (epiphysis) becomes insufficient>
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necrosis of bone
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spine at intervertebral
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physeal osteochondrosis
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pyseal osteochondrosis
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scheuermanns
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occurs @ joints
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articular
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osteochondrosis at any location
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non-articular
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non articular=
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osgood schlatter of tibia
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osteitis deformans
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paget's
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metabolic bone dx>
excess breakdown abnormal bone formation |
pagets
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teeth spread
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paget
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paget's >predisposed to
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osteosarcoma
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increased
alkaline phoshatase |
pagets
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index of
osteoblastic activity bone formation |
alkaline phosphatase
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increased alkaline phosphatase
increased Ca decreased phosphorous hyperparathyroidism |
von recklinghause
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elevated in prostate cancer
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acid phosphatase
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inflammatory response of dental pulp to a low grade infection
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condensing osteitis=
sclerosing osteitis |
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softening of bone
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osteomalacia
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osteomalacia mimic
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osteoporosis
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bone pain
-hips -muscle -bone fx |
osteomalacia
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softening due to
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osteoid that has failed to calcify
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delayed tooth eruption
malocclusion dev abnormalities of dentin |
osteomalacia
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-fx in more than 2 pieces
-crushed |
comminuted
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broken in 2 pieces
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complete fx
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cracks 1 side
fx not all the way thru |
greenstick
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broken in one place
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single fx
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bone sticking thru skin
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open fx
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healing of fx phases
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1-inflammatory phase
2-reparative phase 3-remodeling phase |
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blood clot
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inflammatory phase
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callus of cartilage
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reparative phase
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callus of cartilage >
bony callus (compact bone) |
reparative phase
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cortex is revitalized
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remodeling phase
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fx fail to heal
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1-ischemia
2-mobility 3-interposition of soft tissue 4-infection |
