Head: Skull, face, and scalp Flashcards
The 6 bones that make up the neurocranium:
frontal, ethmoid, sphenoid, occipital, temporal, parietal
The 7 bones that make up the viscerocranium:
mandibular, vomer, maxilla, zygomatic, palatine, nasal, lacrimal
Suture between the frontal and parietal bones:
coronal
Suture between the parietal and occipital bones:
lambdoid
Suture between the parietal and temporal bones:
squamous
Suture between the parietal bones:
sagittal
Junction of lambdoid and sagittal sutures:
lamba suture
Junction of coronal and sagittal sutures:
bregma
Junction of sphenoid, parietal, temporal, and frontal bones:
pterion
Junction of frontonasal and internasal sutures:
nasion
Junction of parietomastoid, occipitomastoid, and lambdoid sutures:
asterion
Where the coronal, sagittal, and frontal sutures are was once the
anterior fontanelle
Where the sagittal and lamboid sutures are was once the
posterior fontanelle
Where the mastoid process, occipital and parietal bones intersect was once the
mastoid fontanelle
The pterion is a weak point of the skull also known as the
sphenoid fontanelle
The _____ a/v runs just deep to the pterion
middle meningeal
Extra bones that develop at sutures that are normal variations in the skull are called
sutural bones
The sphenoidal crest divides the _____ and ____ in the internal cranium
anterior cranial fossa and middle cranial fossa
The superior border of the petrous part of the temporal bone divides the _____ and ____ in the internal cranium
middle cranial fossa and posterior cranial fossa
SCALP acronym external to internal stands for
Skin-Connective tissue- Aponeurosis- Loose connective tissue- Diploe of parietal bone
Salivary gland anterior to auricle:
parotid gland
The parotid duct travels across the ____, travels through the _______, and enters the _____
masseter muscle; buccal fat and buccinator muscle; the oral cavity near upper 2nd motor
The 6 branches of the facial nerve after it exits the stylomastoid foramen:
temporal, zygomatic, buccal, marginal mandibular, cervical, and posterior auricular
The opthalmic branch of the trigeminal nerve exits the cranium via the ___ and then enters the orbit
superior orbital fissure