NERVOUS SYSTEM

NERVOUS SYSTEMNeurulation

Neural plateNeural groove

NERVOUS SYSTEMNeurulation

Neural plateNeural fold

NERVOUS SYSTEMNeurulation

Neural plateBody ectoderm

NERVOUS SYSTEMNeurulation

Neurulation process

NERVOUS SYSTEMNeurulation

Neural tube

NERVOUS SYSTEMNeurulation

Rostral neuropore

NERVOUS SYSTEMNeurulation

Caudal neuropore

NERVOUS SYSTEMNeurulation

Neural canal

NERVOUS SYSTEMNeurulation

Neural crest

NERVOUS SYSTEMCentral Nervous System

Neural Tube Development

NERVOUS SYSTEMVentricular zone

Inside

Outside

Neural Tube Development

NERVOUS SYSTEMVentricular zone

Inside

Outside

Neuroblasts

Neural Tube Development

NERVOUS SYSTEMVentricular zone

Inside

Outside

Ependymal glioblasts

Neural Tube Development

NERVOUS SYSTEMMarginal zone

Inside

Outside

White matter glioblasts

Neural Tube Development

NERVOUS SYSTEMNeural Tube Development

Intermediate zone

Inside

Outside

Neuroblasts

NERVOUS SYSTEMNeural Tube Development

Mesenchyme/CrestMicroglial cells

NERVOUS SYSTEMNeural Tube Development

Mesenchyme/CrestDura mater

NERVOUS SYSTEMNeural Tube Development

Crest cellsPia-arachnoid mater

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneAlar plate

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneBasal plate

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneSulcus limitans

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneRoof plate

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneFloor plate

NERVOUS SYSTEMSpinal Cord Development

Lateral wall intermediate zoneDifferential growth and development

Peripheral Nervous Patterns

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsNeural crest cells

Pseudounipolar sensory neurons

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsNeural crest cells

Autonomic postganglionic neuronsMigrations

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsNeural crest cells

Autonomic postganglionic neuronsNeuromuscular associations

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsNeural tube cells

Skeletal motor neurons

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsNeural tube cells

Preganglionic motor neurons

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsResults

Levels S2-S4 Levels T1-L2

NERVOUS SYSTEMSpinal Cord Development

Peripheral Nervous PatternsResults

Levels C1-C8 and T3-S1 Levels S5-Cocc1

NERVOUS SYSTEMSpinal Cord Development

NERVOUS SYSTEMBrain Development

Brain vesiclesThree primary vesicles

Prosencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesThree primary vesicles

Mesencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesThree primary vesicles

Rhombencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesFive secondary vesicles

Telencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesFive secondary vesicles

Diencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesFive secondary vesicles

Mesencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesFive secondary vesicles

Metencephalon

NERVOUS SYSTEMBrain Development

Brain vesiclesFive secondary vesicles

Myelencephalon

NERVOUS SYSTEMBrain Development

Brain flexuresVentral flexures

Midbrain flexure

NERVOUS SYSTEMBrain Development

Brain flexuresVentral flexures

Cervical flexure

NERVOUS SYSTEMBrain Development

Brain flexuresDorsal flexures

Pontine flexure

NERVOUS SYSTEMBrain Development

VentriclesTelencephalon

Lateral ventricles

NERVOUS SYSTEMBrain Development

VentriclesDiencephalon

Third ventricle

NERVOUS SYSTEMBrain Development

VentriclesMesencephalon

Cerebral aqueduct

NERVOUS SYSTEMBrain Development

VentriclesMetencephalon and myelencephalon

Fourth ventricle

NERVOUS SYSTEMBrain Development

Wall of neural tube in brainBasic design of cell columns

Somatic sensoryVisceral sensoryVisceral motorSomatic motor

NERVOUS SYSTEMBrain Development

Wall of neural tube in brainExpansion of roof plate

NERVOUS SYSTEMBrain Development

Wall of neural tube in brainShifting of alar and basal plates

NERVOUS SYSTEMBrain Development

Wall of neural tube in brainAddition of new cell columns

Special sensoryBranchial motor

NERVOUS SYSTEMCranial Nerve Development

Somitic motor cranial nervesBasal plate origin

Oculomotor nerve

NERVOUS SYSTEMCranial Nerve Development

Somitic motor cranial nervesBasal plate origin

Trochlear nerve

NERVOUS SYSTEMCranial Nerve Development

Somitic motor cranial nervesBasal plate origin

Abducens nerve

NERVOUS SYSTEMCranial Nerve Development

Somitic motor cranial nervesBasal plate origin

Hypoglossal nerve

NERVOUS SYSTEMCranial Nerve Development

Pharyngeal arch cranial nervesCrest, lateral horn, and new column origin

Trigeminal nerve

NERVOUS SYSTEMCranial Nerve Development

Pharyngeal arch cranial nervesCrest, lateral horn, and new column origin

Facial nerve

NERVOUS SYSTEMCranial Nerve Development

Pharyngeal arch cranial nervesCrest, lateral horn, and new column origin

Glossopharyngeal nerve

NERVOUS SYSTEMCranial Nerve Development

Pharyngeal arch cranial nervesCrest, lateral horn, and new column origin

Vagus nerve

NERVOUS SYSTEMCranial Nerve Development

Arch-somite transition cranial nerveAccessory nerve

NERVOUS SYSTEMCranial Nerve Development

Ventral vs. dorsal cranial nervesVentral nervesDorsal nerves

NERVOUS SYSTEMCranial Nerve Development

Special sensory cranial nerveNasal placode - olfactory nerve

NERVOUS SYSTEMCranial Nerve Development

Special sensory cranial nerveOptic placode - optic nerve

NERVOUS SYSTEMCranial Nerve Development

Special sensory cranial nerveOtic placode - vestibulocochlear nerve

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Neural tube

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Notochord

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Prechordal mesoderm

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Neural crest

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesoderm

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesodermParaxial head mesoderm

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesodermPrechordal head mesoderm

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesodermOccipital somites (caudal arches)

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesodermBody somites

Head PatternsKey anlagen

STRUCTURAL PATTERNS

Premuscular mesodermLateral mesoderm

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Extraocular muscles

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Pharyngeal arch muscles

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Occipital somite muscles - Larynx

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Occipital somite muscles - Tongue

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Lateral mesoderm muscles

Head PatternsMuscle Development

STRUCTURAL PATTERNS

Role of neural crest

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Motor neurons to prechordal (eye) muscles

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Motor neurons to occipital somite (tongue) muscles

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Motor neurons to arch muscles

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Motor neurons to lateral mesoderm muscles

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Visceral motor neurons

CRANIAL NERVES

Neural tube cells

Review of Head Nervous Development

Neural crest and placode cells

CRANIAL NERVESReview of Head Nervous Development

Crest ganglia - sensory and postganglionic

CRANIAL NERVES

Neural crest and placode cells

Review of Head Nervous Development

Placode sensory neurons and special structures

CRANIAL NERVES

Neural crest and placode cells

Review of Head Nervous Development

NERVOUS SYSTEMBrain Development

BrainMedulla oblongata

NERVOUS SYSTEMBrain Development

BrainPons and cerebellum

NERVOUS SYSTEMBrain Development

BrainMidbrain

NERVOUS SYSTEMBrain Development

BrainDiencephalon

NERVOUS SYSTEMBrain Development

BrainCerebrum

NERVOUS SYSTEMEye Development

Anatomy of the Eye - Review

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic groove and vesicle

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic stalk

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic cup

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic cup

Outer layer

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic cup

Inner layer

NERVOUS SYSTEMEye Development

Eye components from neural tubeOptic cup

Intraretinal space

NERVOUS SYSTEMEye Development

Eye components from surface ectodermLens placode

NERVOUS SYSTEMEye Development

Eye components from surface ectodermLens pit

NERVOUS SYSTEMEye Development

Eye components from surface ectodermLens vesicle

NERVOUS SYSTEMEye Development

Mesenchyme and Neural Crest

NERVOUS SYSTEMEye Development

Eye componentsReview

NERVOUS SYSTEMEye Development

HeadMesenchyme

LensVesicle

Optic CupInner Layer

Optic CupOuter Layer

IntraretinalSpace

BodyEctoderm

Hyaloid Artery

Eye componentsReview

NERVOUS SYSTEMEye Development

NERVOUS SYSTEMEye Development

Optic Cup DerivativesRetina

NERVOUS SYSTEMEye Development

Optic Cup DerivativesCiliary body

NERVOUS SYSTEMEye Development

Optic Cup DerivativesIris

NERVOUS SYSTEMEye Development

Lens Vesicle DerivativesLens

NERVOUS SYSTEMEye Development

Lens Vesicle DerivativesLens

NERVOUS SYSTEMEye Development

Mesenchymal Derivatives

NERVOUS SYSTEMEye Development

Neural Crest Derivatives

NERVOUS SYSTEMEye Development

Neural Crest/Mesenchyme

NERVOUS SYSTEMEye Development

Body Ectoderm DerivativesCornea and conjunctiva

NERVOUS SYSTEMEar Development

Key componentsOtic placode

NERVOUS SYSTEMEar Development

Key componentsOtic pit

NERVOUS SYSTEMEar Development

Key componentsOtic vesicle

NERVOUS SYSTEMEar Development

Morphogenesis of otic vesicleDorsal utricular part

Endolymphatic duct and sacDorsal

Ventral

NERVOUS SYSTEMEar Development

Morphogenesis of otic vesicleDorsal utricular part

UtricleDorsal

Ventral

NERVOUS SYSTEMEar Development

Morphogenesis of otic vesicleDorsal utricular part

Semicircular ductsDorsal

Ventral

NERVOUS SYSTEMEar Development

Morphogenesis of otic vesicleVentral saccular part

SacculeDorsal

Ventral

NERVOUS SYSTEMEar Development

Morphogenesis of otic vesicleVentral saccular part

Cochlear ductDorsal

Ventral