Ectoderm cns - Study guides, Class notes & Summaries

Spina bifida - ️️neural tube fails to close caudally - risk factor: insufficient folate (vitamin B9) consumption during pregnancy - needed for production of DNA and RNA and for mitosis - exposed nerves can result in infection, affect bladder and bowel function, and paralysis Day 20 of gestation - ️️neural groove develops; part of the mesoderm becomes somites which become bones Pluripo Endoderm - ️️lung, gut, and liver (inside layer) tent - ️️potential to become any type o...

Wernicke's Area - Center for language comprehension Down Syndrome - Extra chromosome, intellectual disabilities and physical abnormalities Accommodation - Adjusting schemes to fit new information Adolescence - (12 years - 22 years) Dramatic physical changes, pursuit of independence/identity, logical/abstract/idealistic thought Amniocentesis - (15 weeks - 18 weeks) Testing of amniotic fluid Aphasia - Total loss or impairment of language processing Assimilation - Using existing schemes to...

USMLE STEP 1 NEUROLOGY Questions and Answers with Complete Solutions 2024 The notochord induces what to differentiate into what? - ANSInduces overlying ECTODERM to differentiate into NEUROECTODERM and form NUERAL PLATE Neural plate then gives rise to? - ANSNeural tube and neural crest cells Notochord becomes what? - ANSNucleus pulposus of the intervertebral disks in adults Alar Plate - ANSDorsal [Sensory] Same orientation as spinal cord Basal Plate - ANSVentral [Motor] Same orientatio...

CMMB 403 Midterm 1 Question and answers rated A+ CMMB 403 Midterm 1 Stages of Early Embryogenesis - correct answer 1. Fertilization 2. Cleavage 3. Gastrulation 4. Organogenesis 5. Larval Stage 6. Gametogenesis Patterns of Cleavage - correct answer 1. Holoblastic: complete cleavage 2. Meroblastic: Incomplete cleavage Germ cells - correct answer Precursors of sperm and egg that are set aside early in development (do not form from embryonic germ layers) Ectoderm (outer laye...

Ectoderm doesn't move through the __________ or __________ - CORRECT ANSWER 1) blastopore (frogs and fishes) or 2) primitive streak (birds and humans) Sensory organs all begin in the head as... - CORRECT ANSWER placode - thickenings of surface ectoderm what are 4 types of cell interactions? - CORRECT ANSWER 1) Internal/mechanical 2) Juxtacrine signaling 3) Paracrine signaling 4) Endocrine signaling Note: these are arranged in order of closest interaction to longest distance interact...

NBCE BOARD EXAM GUY'S SPINAL ANATOMY REVIEW (FOR PART I) LATEST UPDATE The cerebrum is part of what secondary developmental division of the brain? - CORRECT ANSWER Telencephalon All thalamic structures are part what secondary developmental division of the brain? - CORRECT ANSWER Diencephalon The midbrain, including the oculomotor complex and substantia nigra, are parts of what secondary developmental division of the brain? - CORRECT ANSWER Mesencephalon The pons and cereb...

USAHS Clinical Neuroscience Exam Questions and Answers 100% Pass What are the 5 steps of neurological development in order? - Answer- Neurulation, cell proliferation, migration and aggregation, formation of axonal and dendritic processes, and synaptogenesis ______________ involves the formation of the neural crest and neural tube. - Answer- Neurulation Cell proliferation occurs within the ________ _______. - Answer- Neural tube During the migration and aggregation phase of embryological ...

CMMB 403 Midterm 1 Question and answers 100% correct 2024 Stages of Early Embryogenesis - correct answer 1. Fertilization 2. Cleavage 3. Gastrulation 4. Organogenesis 5. Larval Stage 6. Gametogenesis Patterns of Cleavage - correct answer 1. Holoblastic: complete cleavage 2. Meroblastic: Incomplete cleavage Germ cells - correct answer Precursors of sperm and egg that are set aside early in development (do not form from embryonic germ layers) Ectoderm (outer layer) - correct an...

CMMB 403 Midterm 1 Question and answers 100% correct 2024 Stages of Early Embryogenesis - correct answer 1. Fertilization 2. Cleavage 3. Gastrulation 4. Organogenesis 5. Larval Stage 6. Gametogenesis Patterns of Cleavage - correct answer 1. Holoblastic: complete cleavage 2. Meroblastic: Incomplete cleavage Germ cells - correct answer Precursors of sperm and egg that are set aside early in development (do not form from embryonic germ layers) Ectoderm (outer layer) - correct an...

What embryologic germ layer is the gut and respiratory tract derived from? The endoderm What embryologic germ layer gives rise to tubular structures (stuff that is inside)? The endoderm Mesoderm gives rise to how many subgroups? 4 subgroups What are the 4 subgroups of mesoderm? 1. Paraxial mesoderm 2. Intermediate mesoderm 3. Head mesoderm 4. Lateral Plate mesoderm What embryologic germ layer gives rise to somites? Paraxial mesoderm What embryologic g...