CMD 377 Lecture Notes - Lecture 4: Sulcus Limitans, Neural Crest, Alar Plate

• School: URI
• Department: Communicative Disorders
• Course: CMD 377
• Professor: Kim Mikyong

Document Summary

Composed of the brain and the spinal cord. Nuclei: group of cell bodies: gray matter. Pns: lies outside the cns, ganglia: groups of cell bodies outside cns, nerves: spinal and cranial nerves, autonomic ns: regulation of internal body function, somatic ns: enable us to perceive sensory stimuli and carry on volitional motor activity. Basic subdivisions of the brain: cerebral hemispheres, diencephalon, in between brain , cerebellum, brainstem. Induction: a process where a part of the embryo sends signals to other parts of the tissue to make changes. The derms: ectoderm: outside layer of the embryo and develops into skin and brain, mesoderm: connective tissue (bones, ligaments, tissue, sends chemical signal and beings induction, endoderm: inner tubes (lungs, intestine, stomach) Neural ectoderm: the neural plate, neural tube and neural crest. Becomes cells concerned with sensory processing (sensory neurons: ventral (front) half forms a basal plate.