Nbce Boards Part 1 - Spinal Anatomy Exam Questions And Answers, Rated A+

NBCE BOARDS PART 1 - SPINAL ANATOMY EXAM QUESTIONS AND ANSWERS, RATED A+ Embryological Germinal layers - -Endoderm Mesoderm Ectoderm Endoderm derivatives - -Organs, gut, respiratory tract "Tubular structures" Mesoderm subgroups - -Paraxial Intermediate Head Lateral Plate Paraxial - Somatic derivatives - -Musculoskeletal: muscles, ligaments, tendons Paraxial - Splanchnic derivatives - -Smooth muscle of organs Intermediate mesoderm derivatives - -Urogenital system Kidneys Head Mesoderm Derivatives - -Skull muscles Dentin of teeth Lateral plate mesoderm derivatives - -Adrenal cortex CT Cardiovascular system Lymphatic system Ectoderm subgroups - -Surface ectoderm Neuroectoderm (neural tube & neural crest) Surface ectoderm derivatives - -Epidermis Anterior pituitary Lens of eye Skin Enamel Hair Nails Neuroectoderm Neural Tube derivatives - -Posterior pituitary Retina CNS Oligodendrocytes Neuroectoderm neural Crest derivatives - -CNS: brain & spinal cord Outside of CNS: Sympathetic chain ganglion, DRG, ANS, PNS, Schwann cells, Parafollicular cells of thyroid, Adrenal medulla Embryological development order beginning at notochord - -Notochord Neural plate Neural groove Neural tube Neural Crest cells CNS pathology derived from neural tube - -Spina bifida occulta Meningocele/myelocele/menginomyelocele Arnold Chiari I & II Cleft palate Spina bifida occulta - -Lamina fail to fuse, tuft of hair over growth site called "fawn's beard", B9 prevent Meningocele/myelocele/menginomyelocele - -Meningocele = meninges protrude out Myelocele = spinal cord protrudes out because mening