Norma Lateralis (Skull, Head, Neck Anatomy) - Fall 2024
No they do not contain diploe
Do sutures contain diploe?
-temporal fossa -infratemporal fossa -mandibular fossa
What are the 3 fossas of the temporal bone?
-external acoustic meatus -mental foramen -zygomatic foramen
What are the notable openings that are visible in norma lateralis?
-zygomatic foramen -frontal process of the zygomatic bone -temporal process of the zygomatic bone
What are the notable structures of the zygomatic bone?
1. pterion 2. asterion
What are the structures indicated with a 1 and 2?
sutures
What are the weakest and the thinnest portion of the skull?
only inner and outer table
What do sutures contain?
conducts sound eaves from auricle to tympanic membrane
What does the external acoustic meatus do?
the zygomatic bone to the frontal process
What does the frontal process of the zygomatic bone connect?
zygomatic process to the temporal bone
What does the temporal process of the zygomatic bone connect?
mental nerve
What enters the mental foramen?
emissary veins
What enters the parietal foramen?
zygomatic nerve
What enters the zygomatic foramen?
mandibular nerve ***NOT VISIBLE FROM ANY NORMAL SKULL VIEW
What enters through the mandibular foramen?
infratemporal fossa
What fossa is highlighted in this pic?
pterion
What is the area in the temple region (R&L) where five sutures join?
temporal fossa
What is the fossa highlighted in the pic?
this is where the zygomatic nerve exits the skull (sensory nerve)
What is the function of the zygomatic foramen?
zygomatic arch
What is the structure indicated with a ? in this pic?
external acoustic meatus
What is the structure labeled in this pic?
mandibular foramen
What is the structure labeled in this pic?
mental foramen
What is the structure labeled in this pic?
frontal process of the zygomatic bone
What is the structure the arrow is pointing to?
temporal process of the zygomatic bone
What is the structure the arrow is pointing to?
zygomatic foramen
What is the structure the arrow is pointing to?
coronal suture
What is the suture that the arrow is pointing to in this pic?
lambdoid suture
What is the suture that the arrow is pointing to in this pic?
occipitomastoid suture
What is the suture that the arrow is pointing to in this pic?
parietomastoid suture
What is the suture that the arrow is pointing to in this pic?
sphenofrontal suture
What is the suture that the arrow is pointing to in this pic?
sphenoparietal suture
What is the suture that the arrow is pointing to in this pic?
sphenosquamousal suture
What is the suture that the arrow is pointing to in this pic?
sphenozygomatic suture
What is the suture that the arrow is pointing to in this pic?
squamous suture
What is the suture that the arrow is pointing to in this pic?
zygomaticofrontal suture
What is the suture that the arrow is pointing to in this pic?
zygomaticomaxillary suture
What is the suture that the arrow is pointing to in this pic?
zygomaticotemporal suture
What is the suture that the arrow is pointing to in this pic?
external acoustic meatus
What structure is denoted with a ?
mandibular fossa
What structure is denoted with a ?
mastoid foramen
What structure is denoted with a ?
mastoid portion of the temporal bone
What structure is denoted with a ?
mastoid process
What structure is denoted with a ?
squamous portion of the temporal bone
What structure is denoted with a ?
styloid process
What structure is denoted with a ?
zygomatic process
What structure is denoted with a ?
infratemporal fossa
Which fossa of the temporal bone is highlighted?
mandibular fossa
Which fossa of the temporal bone is highlighted?
temporal fossa
Which fossa of the temporal bone is highlighted?