Podcast
Questions and Answers
Branchial arches:
Branchial arches:
- Each have their own nerve supply (correct)
- Are made up of ectoderm, mesoderm and endoderm
- Have derivatives for all 6 arches
- All share a common blood supply
Derivatives of the ectoderm include:
Derivatives of the ectoderm include:
- Skeleton
- Muscles
- Skin (correct)
- Enamel (correct)
During embryology the blastocyst:
During embryology the blastocyst:
- Is a solid ball of cells that forms from cleavage of the zygote
- Is a fluid filled ball of cells that forms after formation of the morula (correct)
- Is a solid ball of cells that forms from cleavage of the morula
- Is a fluid filled ball of cells that forms after fertilisation of the zygote
Neural crest cells give rise to:
Neural crest cells give rise to:
Select the correct answer regarding the development of the tongue:
Select the correct answer regarding the development of the tongue:
This branchial arch does not give rise to any structures:
This branchial arch does not give rise to any structures:
The branchial arches innervated by the glossopharyngeal nerve (cranial nerve IX) are:
The branchial arches innervated by the glossopharyngeal nerve (cranial nerve IX) are:
The derivatives of these branchial arches are innervated by the trigeminal nerve (cranial nerve V):
The derivatives of these branchial arches are innervated by the trigeminal nerve (cranial nerve V):
The development of the face begins in:
The development of the face begins in:
The development of the secondary palate:
The development of the secondary palate:
The face begins to form from which processes:
The face begins to form from which processes:
The muscular derivatives of these branchial arches are the muscles of facial expression:
The muscular derivatives of these branchial arches are the muscles of facial expression:
The philtrum forms:
The philtrum forms:
The three layers of the embryonic trilaminar disc are:
The three layers of the embryonic trilaminar disc are:
Which branchial arches give rise to the mandible:
Which branchial arches give rise to the mandible:
Which branchial arches give rise to the palataine tonsils:
Which branchial arches give rise to the palataine tonsils:
Cleft palate is a developmental anomalie that results from:
Cleft palate is a developmental anomalie that results from:
During childhood development, at age 4, environment factors such as too much fluoride, can disrupt amelogenesis process for permanent teeth
During childhood development, at age 4, environment factors such as too much fluoride, can disrupt amelogenesis process for permanent teeth
Ameloblasts form conical projections called Tomes Processes during which of the following stages of amelogenesis:
Ameloblasts form conical projections called Tomes Processes during which of the following stages of amelogenesis:
Differentiation of ameloblasts from pre-ameloblasts takes place in which of the following stages of tooth development?
Differentiation of ameloblasts from pre-ameloblasts takes place in which of the following stages of tooth development?
Enamel, gingiva and the skin are direct derivatives of the ectoderm
Enamel, gingiva and the skin are direct derivatives of the ectoderm
During amelogenesis which cellular layer of the enamel organ collapses to allow for space for the ameloblasts:
During amelogenesis which cellular layer of the enamel organ collapses to allow for space for the ameloblasts:
During fetal development, amelogenesis for all primary teeth is competed before birth:
During fetal development, amelogenesis for all primary teeth is competed before birth:
During odontogenesis, the dental sac gives rise to:
During odontogenesis, the dental sac gives rise to:
Cleft palate develops when there is a failure of fusion of which structures?
Cleft palate develops when there is a failure of fusion of which structures?
Odontogenesis starts with the following cellular layers at its initiation stage:
Odontogenesis starts with the following cellular layers at its initiation stage:
Select the correct answer regarding the development of the tongue:
Select the correct answer regarding the development of the tongue:
Select the single best answer:
Select the single best answer:
Select the single best answer:
Select the single best answer:
The 2 stages of amelogenesis and dentinogenesis can be described as:
The 2 stages of amelogenesis and dentinogenesis can be described as:
The origin of the dento-gingival junction is the:
The origin of the dento-gingival junction is the:
The development of the face begins in:
The development of the face begins in:
The development of the secondary palate:
The development of the secondary palate:
The lifecycle of the ameloblast is:
The lifecycle of the ameloblast is:
The long junctional epithelium originates from:
The long junctional epithelium originates from:
The morphology of the tooth crown starts to be determined at which stage of development:
The morphology of the tooth crown starts to be determined at which stage of development:
The prevalence of cleft lip and palate in the UK is approximately 1 in 700 live births:
The prevalence of cleft lip and palate in the UK is approximately 1 in 700 live births:
The lifecycle of the odontoblast:
The lifecycle of the odontoblast:
Which branchial arches do the facial muscles derive from?
Which branchial arches do the facial muscles derive from?
Which branchial arches do the muscles of mastication derive from?
Which branchial arches do the muscles of mastication derive from?
Which cellular layer of the enamel organ shrinks during amelogenesis to allow for space for the ameloblasts?
Which cellular layer of the enamel organ shrinks during amelogenesis to allow for space for the ameloblasts?
Which statement best describes the development of the secondary palate?
Which statement best describes the development of the secondary palate?
Which two cellular layers are present at the dental lamina stage of tooth development?
Which two cellular layers are present at the dental lamina stage of tooth development?
Which branchial arches does the trigeminal nerve derive from?
Which branchial arches does the trigeminal nerve derive from?
Which stage of tooth development is the morphology of the tooth crown determined?
Which stage of tooth development is the morphology of the tooth crown determined?
Flashcards
Branchial arches nerve supply
Branchial arches nerve supply
Each branchial arch has its own nerve supply.
Ectoderm derivatives
Ectoderm derivatives
Skin.
Blastocyst
Blastocyst
A fluid-filled ball of cells that forms after the morula.
Neural crest cells
Neural crest cells
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Tongue innervation
Tongue innervation
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Branchial arch V
Branchial arch V
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Glossopharyngeal innervated arch
Glossopharyngeal innervated arch
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Trigeminal innervated arch
Trigeminal innervated arch
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Face development
Face development
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Secondary palate
Secondary palate
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Facial processes
Facial processes
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Muscles of facial expression
Muscles of facial expression
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Philtrum formation
Philtrum formation
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Embryonic trilaminar disc
Embryonic trilaminar disc
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Mandible origin
Mandible origin
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Cleft palate cause
Cleft palate cause
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Fluoride disrupts amelogenesis
Fluoride disrupts amelogenesis
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Tomes Processes stage
Tomes Processes stage
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Ameloblasts differentiation
Ameloblasts differentiation
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Enamel, Gingiva and skin - ectoderm derivatives.
Enamel, Gingiva and skin - ectoderm derivatives.
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Space for ameloblasts.
Space for ameloblasts.
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Amelogenesis of primary teeth completed before birth.
Amelogenesis of primary teeth completed before birth.
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Dental sac gives rise.
Dental sac gives rise.
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Cleft palate failure of fusion
Cleft palate failure of fusion
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Odontogenesis starting layers:
Odontogenesis starting layers:
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Tongue Nerve innervation.
Tongue Nerve innervation.
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Stellate Role
Stellate Role
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Ectoderm and ectomesenchyme
Ectoderm and ectomesenchyme
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Dento-gingival junction origin
Dento-gingival junction origin
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Face development
Face development
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