The Skull Flashcards
skeleton of the head
Cranium/ skull
Is the bony case of the brain plus the cranial meninges, proximal parts of cranial nerves and vasculature of the brain
Neurocranium
Cranial vault
Neurocranium
neurocranium is formed by a series of ______ bones
8
Enumerate the 8 bones that made up the neurocranium:
Sphenoidal Temporal (2sets) Occipital Parietal (2 sets) Frontal Ethmoidal
The neurocranium is made up of 2 parts: _______ & ________
Calvaria/ Skull cap & Cranial Base/Basicranium
The neurocranium has a dome like roof called the
calvaria or skullcap
The neurocranium has floor called the _________.
basicranium
The skull has 2 parts:
Neurocranium & Viscerocranium
facial skeleton
Viscerocranium
forms the anterior part of the cranium and it consists of bones surrounding the orbits, nose and mouth
Viscerocranium
anatomic position the inferior margin of the orbit and superior margin of the external acoustic meatus lie in the same horizontal plane
orbitomeatal plane/ Frankfort horizontal plane
What are the 3 singular bones of the Viscerocranium?
Mandible, Ethmoid and Vomer
Enumerate the 6 bilateral bones of Viscerocranium
Lacrimal Inferior nasal conchae Maxillae Palatine Zygomatic Nasal
How many bones consists/made up/forms the viscerocranium
15 irregular bones
The bones of calvaria and cranial base develop are develop by ________ and _________
intramembranous ossification and endochondral ossification
At birth, bones of calvaria are:
A) Multilaminar
B) Unilaminar
C) Rough and Multilaminar
D) Smooth and Unilaminar
D) Smooth and Unilaminar
TRUE or FALSE
During the cranium development, facial aspect is small compared to calvaria.
TRUE
During the cranium development, increase in size of calvaria is greatest during the _________ due to rapid brain development.
A) First year
B) First 2yrs
C) First 3yrs
D) First 8mons
B) First 2yrs
at birth the frontal bones consists of two halves; union begins in the_________.
A) First year
B) 2nd yr
C) 3rd yr
D) 8th yr
B) 2nd yr
At birth, halves of frontal bone are separated by the _________; obliterated at the _______.
frontal sutures; 8th yr
remnant of frontal suture that persists in the middle of the glabella
Metopic suture
TRUE/FALSE
mastoid and styloid process are present in a newborn.
FALSE, mastoid process forms during the 1st yr
future site of bregma
A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle
A) Anterior fontanelle
diamond or star-shaped and bounded by frontal bone anteriorly and parietal bone posteriorly
A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle
A) Anterior Fontanelle
triangular-shaped and bounded by parietal bones anteriorly and occipital bone posteriorly
A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle
B) Posterior Fontanelle
junction of lambdoid and sagittal sutures; future site of lambda
A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle
B) Posterior Fontanelle
The anterior fontanelle is nolonger palpable at ________
a) 10mons
b) 16mons
c) 25mons
d) 18mons
d) 18mons
The posterior fontanelle is no longer palpable at ________.
a) at the early stage of 2nd yr
b) at the end of 1st yr
c) 3rd yr
d) 19 months
B) at the end of 1st yr
temporal muscle overlies these fontanelles and it fuse during infancy.
A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid and Mastoid Fontanelles
D) Mastoid and Anterior Fontanelles
C) Sphenoid and Mastoid Fontanelles
premature closure of cranial sutures
a) primary cynostosis
b) oxycephaly
c) turricephaly
d) plangiocephaly
a) primary cynostosis
Primary cynostosis is more common among:
a) females
b) males
b) males
The following are characteristics of primary cynostosis EXCEPT:
a) more common among males
b) 1 per 2000 births
c) premature closure of cranial sutures
d) affect the brain development
D) affect the brain development
Premature closure of sagittal sutures:
a) Primary cynostosis
b) plangiocephaly
c) scaphocephaly
d) oxcycephaly
c) scaphocephaly
TRUE/ FALSE
In scaphocephaly, the posterior fontanelle is absent or small.
FALSE, it is the anterior fontanelle not the posterior fontanelle
What is the shape of the cranium if the person has scaphocephaly?
long, narrow wedge-shaped cranium
Plangiocephaly is the premature closure of:
a) sagittal suture
b) coronal and sagittal sutures
c) coronal suture or lambdoid suture
d) coronal and lambdoid sutures
c) coronal suture or lambdoid suture
What describes best the cranium of a person who has plangiocephaly?
a) long elongated
b) narrow
c) asymmetrical
d) asymmetrical and twisted
d) asymmetrical and twisted
The following are characteristics of Oxycephaly EXCEPT:
a) premature closure of coronal suture
b) high tower-like cranium
c) more common among males
d) also known as turricephaly
c) more common among males since it is more common among females
The anterior aspect of the cranium are consists of :
Frontal Bone Orbits Nasal Region Zygomatic Bone Maxillae and Mandible
squamous (flat)part and forms the skeleton of the forehead
frontal bone
Inferiorly, the frontal bone articulates with ________.
nasal and zygomatic bones
The frontal bone also articulates with __________
lacrimal, ethmoid and sphenoids
the intersection of the frontal and nasal bones
nasion
the smooth prominence superior to the root of the nose
glabella
the angular boundary between the squamous and orbital parts
supraorbital margin
for passage of supra-orbital nerve and vessels and located at the supraorbital margin
supraorbital foramen
prominent ridge superior to the supraorbital margin and deep to the eyebrows; extends laterally on each side from the glabella
supercilliary arch
bilateral bony cavities that resemble quadrangular pyramids
Orbits
contain and protect the eyeball accessory visual structures
orbits
The superior wall/roof of the orbit are consists by:
a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones
b) orbital part of horizontal bone and lesser wing of sphenoid
The lateral wall of the orbits are consists by
a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones
c) frontal process of zygomatic bone and greater wing of sphenoid
The medial wall of the orbits are consists of
a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones
a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
The inferior wall/floor of the orbits is demarcated from the lateral wall of the inferior orbital fissure and consists of:
a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones
d) maxilla and partly by zygomatic and palatine bones
the shallow depression in the orbital part of the frontal bone
fossa for the lacrimal gland
cheek bones or malar bones and form the prominences of cheeks
zygomatic bone
lie on inferolateral sides of orbits and rests on maxillae
zygomatic bone
Zygomatic bone articulates with
frontal, sphenoid, maxillae and temporal bones
pierces the lateral aspect of the zygomatic bones and passage of zygomaticofacial nerve and vessels
zygomaticofacial foramen
pear-shaped anterior nasal opening in the cranium&inferior to the nasal bones
piriform aperture
divides the nasal cavity into right and left parts
nasal septum
curved bony plates on the lateral wall of each nasal cavity
nasal conchae
form upper jaw and the infraorbital margins, medially
maxillae
alveolar processes include the tooth sockets called alveoli and it is supporting bone for maxillary teeth
maxillae
surround piriform aperture and articulates with zygomatic bone
maxillae
passage of infraorbital nerve and vessels
infraorbital foramen
horizontal fracture of the maxillae that passes superiorly to the maxillary alveolar process crossing the bony nasal septum
a) Le fort 1
b) Le fort 2
c) Le fort 3
a) Le fort 1
passes from the posterolateral parts of the maxillary sinuses through the infra-orbital foramina lacrimals or ethmoids to bridge of nose
a) Le fort 1
b) Le fort 2
c) Le fort 3
b) Le fort 2
horizontal fracture -passes through the superior orbital fissures, ethmoid and nasal bones, extending to the greater wings of sphenoid and frontozygomatic sutures
a) Le fort 1
b) Le fort 2
c) Le fort 3
c) Le fort 3
consists of the body, angle and ramus
mandible
U-shaped bone and alveolar process that support mandibular teeth
mandible
mental foramina is inferior to the
a) 1st premolar teeth
b) 2nd premolar teeth
c) 3rd premolar teeth
d) NOTA
b) 2nd premolar teeth
The fracture of the neck of the mandible is usually
a) oblique
b) vertical
c) transverse
d) All of the above
c) transverse
The fracture of the angle of the mandible is usually
a) oblique
b) vertical
c) transverse
d) All of the above
a) oblique
The fractures of the body of the mandible pass through the socket of
a) inscisior tooth
b) canine tooth
c) 2nd premolar teeth
d) NOTA
b) canine tooth
Temporal fossa is bounded superiorly and posteriorly by:
a) zygomatic arch
b) temporal bone
c) superior and inferior temporal lines
d) mastoid and styloid process
c) superior and inferior temporal lines
the temporal fossa is bounded anteriorly by
a) zygomatic arch
b) zygomatic bone
c) temporal bone
d) mastoid
b) zygomatic bone
temporal fossa is bounded inferiorly by
a) zygomatic arch
b) zygomatic bones
c) temporal bone
d) mastoid
a) zygomatic arch
zygomatic arch is formed by the union of temporal process of ________ and zygomatic process of _______.
a) zygmotic bone; mastoid
b) zygomatic bone; zygomatic arch
c) mastoid; styloid process
d) zygomatic bone; temporal bone
d) zygomatic bone; temporal bone
entrance to external acoustic meatus or canal
extrnal acoustic opening
posteroinferior to the external acoustic opening
mastoid process
anteromedial located and a pointed projection
styloid process
inferior and deep to the zygomatic arch and mandible
Infratemporal fossa
Infratemporal fossa is posterior to
a) zygomatic arch
b) mandible
c) maxilla
d) all of the above
c) maxilla
an H-shaped formation of sutures that unite the frontal, parietal, greater wing of sphenoid and temporal bones
a) nasion
b) inion
c) vertex
d) pterion
d) pterion
at the occipital aspect of cranium, _________ is palpable in the median plane
external occipital protuberance
most prominent point of the external occipital protuberance
inion
descends from the protuberance toward the foramen magnum
a) inion
b) external occipital crest
c) superior nunchal line
d) inferior nunchal line
b) external occipital crest
marks the superior limit of neck and extends laterally from each side of the protuberance
a) inion
b) external occipital crest
c) superior nunchal line
d) inferior nunchal line
c) superior nunchal line
Indicates the junction of sagittal and lambdoid sutures
lambda
separates the frontal and parietal bones
a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture
a) coronal suture
separates the parietal bones
a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture
c) sagittal suture
separates parietal and temporal bones from occipital bone
a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture
b) lambdoid suture
junction of sagittal and coronal sutures
a) lambda
b) bregma
c) vertex
d) inion
b)bregma
most superior point of the calvarianear the midpoint of the sagittal suture
a) lambda
b) bregma
c) vertex
d) inion
c)vertex
at junction of lambdoid and sagittal sutures
a) lambda
b) bregma
c) vertex
d) inion
a)lambda
located posteriorly in the parietal bone near the sagittal suture
a) sagittal foramen
b) parietal foramen
c) mandibular foramen
d) emissary formina
b) parietal foramen
transmit emissary veins
a) sagittal foramen
b) parietal foramen
c) mandibular foramen
d) emissary formina
d) emissary formina
All are craniometric points except
a) bregma
b) lambda
c) vertex
d) nasion
d) nasion
The zygomatic arch, temporal fossa, infratemporal fossa, external acoustic opening, mastoid process and lateral aspects of mandible and maxilla consist of what aspect of the cranium?
a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect
c) lateral aspect
The frontal bone, zygomatic bone, orbits, nasal region, maxillae and mandible consists what aspect of cranium?
a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect
a) anterior aspect
The occipital bone, parts of parietal boneand mastoid parts of the temporal bone consist of what aspect of the cranium?
a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect
d) occipital aspect
This aspect of cranium is somewhat oval in form and broadens posterolaterally at the parietal eminences
Superior aspect
This aspect of cranium has craniometric points and parietal landmarks
a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect
b) superior aspect
The external surface of the cranial base is also known as
a) neurocranium
b) viscerocranium
c) calvaria
d) basicranium
d)basicranium
inferior portion of neurocranium and viscerocranium minus the mandible
external aspect of the cranium base/ basicranium
Enumerate the 7 features of the cranial base:
Alveolar arch of maxillae Palatine process of maxillae Palatine Sphenoid Vomer Temporal bone Occipital bone
provide for muscle attachments
Mastoid process
lies posterior to the base of the styloid process
stylomastoid foramen
The external surface of the cranial base is also known as
a) neurocranium
b) viscerocranium
c) calvaria
d) basicranium
d)basicranium
inferior portion of neurocranium and viscerocranium minus the mandible
external aspect of the cranium base/ basicranium
Enumerate the 7 features of the cranial base:
Alveolar arch of maxillae Palatine process of maxillae Palatine Sphenoid Vomer Temporal bone Occipital bone
provide for muscle attachments
Mastoid process
lies posterior to the base of the styloid process
stylomastoid foramen
The stylomastoid foramen transmits ______ and _____.
facial nerve and stylomastoid artery
entrance for the internal carotid artery
Carotid Canal
The carotid canal is anterior to the _______.
jugular foramen
large opening between the occipital bone and petrous part of temporal bone
Jugular Foramen
large protuberances on the lateral parts of occipital bone
occipital condyle
It is where the cranium articulates with the vertebral column
Occipital Condyle
the large opening in the basal part of the occipital bone
a) jugular foramen
b) foramen magnum
c) occipital condyle
d) mental foramen
b) foramen magnum
consists of lateral and medial pterygoid plates and extend on each side of the sphenoid
Pterygoid process
wedged between the frontal, temporal and occipital bones
sphenoid bone
Sphenoid bone is an unpaired bone which consists of the following EXCEPT:
a) body
b) Greater wings and Lesser wings -spread laterally from the lateral aspects of the body of the sphenoid
c) pterygoid processes
d) occipital condyle
d) occipital condyle
trapezoidal in shape flat, unpaired bone and forms a major part of the bony nasal septum
a) vomer
b) sphenoid bone
c) conchae
d) maxilla
a) vomer
two large openings superior to the posterior edge of the palate
a) vomer
b) sphenoid bone
c) choanae
d) maxilla
c) choanae
Choanae is posterior to _______ and separated from each other by the _________
a) pteryoid process; maxilla
b) nasal aperture; vomer
c) maxilla; pterygoid process
d) vomer; nasal aperture
b) nasal aperture; vomer
Hard Palate is formed anteriorly by
a) horizontal plates of palatine bones
b) posterior nasal spine
c) palatal processes of maxillae
d) NOTA
c) palatal processes of maxillae
Hard Palate is formed posteriorly by
a) horizontal plates of palatine bones
b) posterior nasal spine
c) palatal processes of maxillae
d) NOTA
a) horizontal plates of palatine bones
posterior to central incisor teeth
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
a) Incisive foramen
medial to 3rd molar tooth
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
b) greater palatine foramen
depression in the midline of bony palate into which the incisive canals open
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
a) Incisive foramen
Posterior to greater palatine foramen
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
c) lesser palatine foramen
transmit -greater palatine nerves and vessels
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
b) greater palatine foramen
Transmit-lesser palatine nerves and vessels
a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen
c) lesser palatine foramen
What are the major structures passing through the foramen magnum?
Dural veins Ant./post. Spinal arteries Medulla and Meninges Spinal accessory n. Vertebral arteries
located superior to the anterolateral margin of the foramen magnum
Hypoglossal canal
Hypoglossal canal transmit ______.
hypoglossal nerve
located anterosuperior to the jugular foramen
Internal acoustis meatus
The internal acoustic meatus transmit:
Facial nerve
Vestibulocochlear nerve Labyrinthine artery
located at the petrous ridge of the temporal bone
Jugular Foramen
The jugular foramen transmits:
Meningeal br. of ascending pharyngeal and occipital a. Accessory nerve Sigmoid sinus Sup. bulb of int. jugular vein Inferior petrosal sinus Vagus nerve Glossopharyngeal nerve
where the internal occipital crest ends
internal occipital protuberance
divides the posterior cranial fossa into large bilateral concave impressions
Internal occipital crest
bilateral concave impressions
a) cerebellar fossa
b) clivus
c) Internal occipital crest
d) internal occipital protuberance
a) cerebellar fossa
located in the center of the anterior part of the fossa leading to the foramen magnum
a) cerebellar fossa
b) clivus
c) Internal occipital crest
d) internal occipital protuberance
b) clivus
The cerebellar fossa, clivus, internal occipital crest and internal occipital protuberance consist the
a) middle cranial fossa
b) anterior cranial fossa
c) posterior cranial fossa
c) posterior cranial fossa
What are the three large depressions in the internal surface of the cranial base?
a) middle cranial fossa
b) anterior cranial fossa
c) posterior cranial fossa
d) all of the above
d) all of the above
Formed by the frontal bone, ethmoid and body and lesser wings of sphenoid
a) anterior fossa
b) middle fossa
c) posterior fossa
d) all of the above
a) anterior fossa
anterior fossa is bounded posteriorly by
body and lesser wings of spenoid
anterior fossa is formed medially by
ethmoid
anterior fossa is formed anteriorly by
frontal bone
Formed by the frontal bone (anteriorly), ethmoid (middle), body and wings of sphenoid (posteriorly)
a) anterior cranial fossa
b) middle cranial fossa
c) posterior cranial fossa
a) anterior cranial fossa
This the horizontal part of the frontal bone forms the roof of the orbit and the floor of the anterior cranial fossa
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
a) orbital parts of the frontal bone
It is the median bony extension of the frontal bone
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
b) frontal crest
It forms the greatest part of the anterior cranial fossa and its surface show brain markings of orbital gyri.
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
a) orbital parts of the frontal bone
The following are characteristics of Foramen Cecum EXCEPT:
a) gives passage to vessels during fetal development
b) it is located at the base of the frontal crest
c) it contains the nasal emissart vein (1% of the population
d) it is significant postnatally
d) it is significant postnatally
In latin, it means the cock’s comb
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
d) crista galli
It is a thick, median ridge posterior to foramen cecum and it projects superiorly from the ethmoid bone
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
d) crista galli
lie on each side of the crista galli
a) lesser wing of sphenoid
b) anterior ethmoidal foramen
c) cribriform plate of ethmoid
d) posterior ethmoidal foramen
c) cribriform plate of ethmoid
Transmit the anterior and posterior ethmoidal artery, vein and nerve
a) lesser wing of sphenoid
b) anterior ethmoidal foramen
c) both b & d
d) posterior ethmoidal foramen
c) both b & d
It separates the anterior cranial fossa from the middle cranial fossa laterally
a) sphenoidal crest
b) sphenoidal limbus
c) a & b
d) posterior ethmoidal foramen
a) sphenoidal crest
It separates the anterior cranial fossa from the middle cranial fossa centrally
a) sphenoidal crest
b) sphenoidal limbus
c) a & b
d) posterior ethmoidal foramen
b) sphenoidal limbus
the tiny foramina of the cribriform plate transmit the olfactory nerves (CN I) to the olfactory bulbs of the brain
a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli
a) orbital parts of the frontal bone
lie on each side of the crista galli
cribiform plate of ethmoid
the tiny foramina of the cribriform plate transmit the olfactory nerves (CN I) to the olfactory bulbs of the brain
Cribirform plate of ethmoid
separated from the anterior cranial fossa by the ff: spenoidal crests (laterally) sphenoidal limbus(centrally)
a) anterior cranial fossa
b) posterior cranial fossa
c) middle cranial fossa
c) middle cranial fossa
The following are characteristics of middle cranial fossa EXCEPT:
a) postero-inferior to the anterior cranial fossa
b) square plate
c) has a central part, the sella turcica and depressed lateral parts on each side
d) lateral parts support the temporal lobes of brain
b)square plate (butterfly-shaped)
The lateral parts of the middle cranial fossa are formed by the following EXCEPT:
a) Greater wings of the sphenoid
b) sella turcica
c) Squamous part of the temporal bone
d) Petrous part of the temporal bone
b) sella turcica
A saddle-like bony formation surrounded by the anterior and posterior clinoid processes
a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum
c) Sella turcica
located posterior to the medial end of the superior orbital fissure
a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum
d) Foramen Rotundum
Foramen Rotundum transmit what nerve
Maxillary Nerve
opens anteriorly in the orbit and located between the greater and lesser wing of sphenoid
a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum
b) superior orbital fissure
The superior orbital fissure transmit what nerves?
superior opthalmic vein lacrimal, frontal and nasociliary branch of opthalmic nerve oculomotor nerve abducens nerve trochlear nerve
transmits the: Optic nerve and Ophthalmic artery
a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum
a) Optic Canal
Composed of 3 parts namely Tuberculum sellae, hypohysial fossa, and dorsum sellae
a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum
c) Sella turcica
lie on the anterosuperior surface of the petrous part of temporal bone and extends laterally from the foramen lacerum
a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve
d) groove for the greater and lesser petrosal nerve
posterolateral to hypophysial foramen and in life it is closed by a cartilage plate
a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve
b)foramen lacerum
posterolateral to the foramen ovale and opens into the infra temporal fossa
a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve
c) foramen spinosum
large foramen postero-lateral to the foramen rotundum and it opens into the infratemporal fossa
a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve
a) foramen ovale
The foramen ovale transmits
a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA
a) Mandibular nerve and Accessory meningeal artery
The foramen lacerum transmits:
a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
The foramen spinosum transmits:
a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
The contents of the Groove for the greater and lesser petrosal nerve are
Greater petrosal nerve and Petrosal br. of middle meningeal artery
It lodges the cerebellum, pons and medulla oblongata
posterior cranial fossa
