Lesson 9
·
Skull-8 cranial bones , 15 facial bones
·
Sutures -
joints between bones of skull ,
immovable create divisions between bones
,
·
Fontanelles-Soft Spot on baby's head
·
Cranial Fossa-Anterior , middle , posterior (become deeper in frontal + occipital direction)
·
Sphenoid bone is posterior to ethmoid bone
· ethmoid bone is behind nose
·
Perpendicular plate-divides nasal cavity into LtR Sides
(2) (2)
· Cranial bones-frontal ethmoid , , sphenoid temporal parietal occipital
, , ,
(2) (2) (2) (2) (2) (2)
·
facial bones-mandible ethmoid , ,
vomer , maxilla , inferior nasal conchae , zygomatic Palatine,
,
nasal , lacrimal
·
lacrimal - when tears run down side of eye by nose
·
maxilla-front of face + connects to teeth
·
mandible-jaw
·
zygomatic-cheek bone
deviated septum-crooked and
nasal affects
breathing
·
① ②
·
nasal septum-made up of vomer and perpendicular plate of ethmoid bene
·
Infraorbital foramen-below orbit Supraorbital foramen - above orbit
,
·
optical canal-hole in sphenoid bone ,
Orbit-Space where eyeball is
Superior + inferior temporal line not temporal bone primarily parietal bone
·
-
on ,
on
zygomatic arch-connects with temporal bone
·
(posterior to maxilla)
·
Palatine bones -
on roof of mouth
Styloid process-sticks out like a horn'
·
Foramen magnum-brain Spinal cord goes
Stem and
through here
·
· head of mandible articulates with temporal bone
·
mental foramen-holes on both sides of mandible
·
mental protuberence-tip of chin
·
foramen rotundum for amen vale foramen Spinosum-real old school
, , (on sphenoid bone)
·
Scalp-Skin Connective tissue aponeurosis loose
, , , connective tissue , perioranium bone 'Scalp'-Superficial
,
to deep
·
meninges-dura ,
arachnoid Sub-arachnoidSpace pia matter
, , (Superficial to deep)