Transcript
ALQUSOUR ACADEMYThis is a longitudinal section of a rabbit embryo after folding showing:
This is a longitudinal section of a rabbit embryo showing the primitive mouth with:
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Developing brain
Upper Jaw
Intrinsic muscles of Tongue
HeartLiver
Upper jaw
Lower jaw
Meckel’s Cartilage
Hard Palate
Nose
Spinal Cord
Vertebral Column
Genioglossus Muscle
Geniohyoid Muscle
Mylohyoid Muscle
ALQUSOUR ACADEMYThis is a coronal section of a rabbit embryo showing the head and the face with:
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Cerebral Ventricles
Eye
Nasal Septum
Fusion line between right and left palatine shelves of secondary palate
Submandibular gland duct
Intrinsic muscles of the tongue
Meckel’s Cartilage
Genioglossus Muscle
Geniohyoid Muscle
Mylohyoid MuscleMedial & Lateral alveolar plates
Inferior alveolar nerve
Early Teeth Formation
ALQUSOUR ACADEMY
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21
1
Primary Epithelial
Band
Condensed Ectomesenchymal
tissue
Enamel Organ at Late Cap Stage
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2
Primary Epithelial
Band
Vestibular Lamina
Dental Lamina
EEE
SR
IEE
Dental Papilla
Dental Follicle
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Primary Epithelial Band
Vestibular Lamina
Vestibular Lamina
Dental Lamina
Dental Lamina
Condensed Ectomesenchymal
tissue
Enamel Organ at Bud stage
Enamel Organ at Late Bell Stage
(Longitudinal section)
ALQUSOUR ACADEMY
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1
2
1
EEE SR
Mature IEE
(Pre-ameloblasts)
EnamelDentine SI
Cusp tips
Cervical loop
Ameloblasts depositing
enamel
Odontoblasts depositing
dentine Dental papilla Dental follicle
Dental pulp
3
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EEESR
Immature Enamel
Dentine SI
Ameloblasts depositing
enamel at the secretory stage
Odontoblasts depositing
dentine
Dental pulp
Predentine
10X zoom in
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20X zoom in
Tomes' processes
Dentinal tubules
DEJ
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SR
SIDental papilla
Pre-ameloblasts
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2 Immature enamel
Mature enamel
Dentine
Dental pulp
SRSIAmeloblasts
Odontoblasts Dental pulp
Predentine Dentinal tubules
ALQUSOUR ACADEMY
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Dentine Primary enamel cuticle
Ameloblasts
SI
SR
Reduced enamel epithelium
3
Mature Enamel
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Enamel Organ at Late Bell Stage
(Cross section)
1 2
1
EEE
SR
Cusp tips
SI
Immature enamel
Mature enamelDentine
Dental pulp
Ameloblasts
Mature IEE
(pre-ameloblasts)
Dental Papilla
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Mature enamel 2
Dentine Dental pulp
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Ground longitudinal section of enamel and dentine
Hunter-Shreger bands
Enamel stria running obliquely across enamel prisms
Enamel
Dentine
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Ground cross section of enamel and dentine
Enamel Dentine
Dental pulp
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Dentinal tubules being straight under
cusp tips
Dentinal tubules being sigmoidal
For Any Question:
Dr. Tahani Abu Al-Teen
0796190551
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