Bio& 241 A&P Unit 4 Lecture 2. Embryonic Development of the Brain and Spinal Cord.

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Presentation transcript:

Bio& 241 A&P Unit 4 Lecture 2

Embryonic Development of the Brain and Spinal Cord

Embryonic Development of the Brain and Spinal Cord, Primary Structures

Embryonic Development of the Brain and Spinal Cord, Secondary Structures

Flow Chart for the Nervous System

Major Structures of the Brain

Embryonic Development of the Brain and Spinal Cord

Arrangement of the Meninges and their spaces

Lobes of the Cerebral Cortex

Functional Areas of the Cerebral Cortex

Major Structures of the Brain as seen in Frontal Section

Major Structures of the Brain as seen from an inferior view including cranial nerves

Major Structures of the Brain as seen in midsagittal Corpus Callosum Septum pellucidum

Major Structures of the Brain Fornix Intermediate mass of the Thalamus

Major Structures of the Brain Corpora Quadrigemina Cisterna cerebello medullaris Cisterna superiors

Major Structures of the Brain

Cerebrospinal Fluid “CSF” Blood-Brain Barrier: formed by tight junction of the endothelial cells of capillaries, tight junction between ependymal cells and astrocytes. These three tissues are involved in production of CSF. Total Volume: ml Production rate:20ml/hr. Composition:glucose, proteins, lactic acid, urea cations (Na+, K+, Ca2+, Mg2+) anions (Cl-, HCO3-) Functions: 1. Mechanical protection 2. Chemical protection hyponatremia, hypernatremia 3. Circulation

Ventricles of the Brain

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