bone quiz #3-splanchnocranium

pictures and features of maxilla, palatine, vomer, inferior nasal concha, ethmoid, lacrimal, nasal, zygomatic, mandible

maxilla

maxillary sinus

zygomatic process

forms cheek

alveolar process

horizontal portion that holds tooth roots

alveolus

bony socket for root of tooth

gomphosis

canine fossa

hollow below infraorbital foramen

canine jugum

eminence over maxillary canine root on facial surface

infraorbital foramen

transmits infraorbital nerve

nasal notch

anterior nasal spine

maxillary tuberosity

posterior end of alveolar process

lacrimal notch

infraorbital groove

posterior half of orbital floor, connects with infraorbital foramen through the infraorbital canal

infraorbital canal

continuous with infraorbital groove and transports the infraorbital nerve and artery

anterior lacrimal crest

incisive foramen

anterior hard palate at midline

incisive canal

opening via incisive foramen

premaxilla

incisive bone for the incisor teeth

palatine torus

bony growth at the roof of the mouth

maxillary torus

outgrowths of bone on the maxilla

retained incisive (premaxilla) suture

multiple infraorbital foramina

infraorbital suture

suture above foramen

abscess

swelling and/or pus above teeth

periodontal disease

infection of the tissues that hold teeth in place

infraorbital nerve

infraorbital canal

buccinator muscle

alveolar process

horizontal plate

forms posterior third of hard palate

posterior nasal spine

attach musculus uvula

greater palatine foramen

rear corner

greater palatine vessel and nerve

lesser palatine foramen

posterolateral corner

lesser palatine nerves

conchal crest

horizontal about halfway up perpendicular plate

for inferior nasal concha

pyramidal process

serrated groove, posterior border

orbital process

sphenoidal process

musculus uvula

retracts and elevates uvula

posterior nasal spine

ala

wings

posterior, superior surface

perpendicular plate

thin vertical sheet below wings

posterior border

divides posterior nasal apeture

nasopalatine grooves

from nasopalatine nerves and vessels

anterior extremity

anterior point

posterior extremity

posterior point

lamina

thin vertical, extends medially

maxillary process

hook

crista galli

perpendicular projection

anchors the falx cerebri

cribiform plate

roof of nasal cavities

houses olfactory nerves

labyrinths

series of thin walled ethmoidal cells

lamina papyra

middle nasal concha

superior nasal concha

olfactory nerves

sense of smell

cribriform plate

falx cerebri

divides brain into left and right

membrane of dura mater

dura mater

membrane for brain

lateral (orbital) surface

lateral smooth surface

posterior lacrimal crest

vertical crest of the medial orbital wall

lacrimal groove

posterior, superior end of lacrimal canal

lacrimal hamulus

hammer

extension of crest

medial (nasal) surface

lateral

nasolacrimal duct

drains tears into nasal cavity

lacrimal groove

nasal foramen

facial surface

nonarticular edge

anterior

zygomaticofacial foramen

lateral surface

zygomaticofacial nerve and vessels

orbital margin

orbital surface

masseteric origin

rough inferior edge

masseter muscle

zygomaticotemporal foramen

temporal surface

zygomaticotemporal nerve

zygomatico-orbital foramina

inferolateral corner of orbital cavity

zygomaticotemporal and zygomaticofacial nerves

marginal tubercle

frontal process

vertical, separates orbit from temporal fossa

maxillary process

toward midline, inferolateral orbital margin

temporal process

posteriorly, joins zygomatic process to zygomatic arch

os japonicum

masseter muscle

elevate mandible

masseteric origin

hypophyseal fossa

deepest depression of sella

pituitary gland

middle clinoid processes

posterior clinoid processes

2 tubercles in superolateral corners of dorsum sellae

dorsum sellae

square plate-posterior boundary sella turcica

clivus

endocranial hollow-posterior of dorsum sellae

sphenoidal sinus

large paired hollows of body

sphenoidal rostrum

midline projection

articulates with alae of vomer

sphenoidal crest

continuous with sphenoidal rostrum, midline

orbital surface

lateral wall of each orbit

angular spine

inferior most projection of greater wing

foramen rotundum

maxillary nerves

foramen ovale

mandibular nerves and accessory meningeal arteries

foramen spinosum

middle meningeal arteries and mandibular nerves

foramen vesalii

small vein

infratemporal crest

ectocranial of greater wings

form base of temporal fossae

superior orbital fissure

open spaces between inferior surface or lower wings and anterior surface of greater wings

inferior orbital fissure

space between greater wings and orbital surface of maxilla

anterior clinoid process

posterior most projections of lesser wings

tentorium cerebelli

lateral pterygoid plate

thin vertical plate

medial pterygoid plate

parallel to lateral plate, more midline

medial pterygoideus muscles

pterygoid hamulus

hook-like process

pterygoid fossa

rough floored hollows between medial and lateral plates

pterygospinous spur or bridge