Histology & Embryology
Anatomy · Topic 64
Source: NMC CBME Curriculum 2024 · Volume I · Anatomy · Topic 64 · combined PDF page 143
Practice questions
- Which embryonic structure gives rise to the brain and spinal cord?
- In the developing spinal cord, which plate is primarily associated with the formation of motor neurons?
- Which structure separates the alar and basal plates in the developing spinal cord?
- Which pair of adult structures is derived from the metencephalon?
- The medulla oblongata develops from which secondary brain vesicle?
- Which primary brain vesicle remains undivided as a secondary vesicle?
- A spinal cord section shows a central butterfly-shaped region of neuronal cell bodies surrounded by myelinated fibers. Which description is correct?
- A neuron whose axon exits the spinal cord through a ventral root is most likely located in which region?
- Preganglionic sympathetic neuron cell bodies are found in the lateral horn at which spinal levels?
- The central canal of the spinal cord is lined by which cell type?
- A lesion selectively involving the dorsal horn would most directly affect which function?
- From superficial to deep, what is the correct order of the three layers of the cerebellar cortex?
- A large flask-shaped neuron forms a single row between the molecular and granular layers of the cerebellar cortex. Which neuron is it?
- Which statement best describes the principal output of the cerebellar cortex?
- Parallel fibers in the cerebellar molecular layer are the axons of which cells?
- Which statement about the neocortex is correct?
- Which neocortical layer is especially prominent as a recipient of thalamocortical input?
- A large pyramidal neuron in neocortical layer V is most characteristically associated with which role?
- The cavity of the embryonic neural tube contributes directly to which adult structure?
- Which channel connects the third ventricle to the fourth ventricle?
- A blockage at the interventricular foramen would first impair CSF flow from which structure?
- Which description best characterizes the basic structure of a choroid plexus?
- Which structure is primarily responsible for production of most cerebrospinal fluid?
- Tight junctions that contribute to the blood–CSF barrier are primarily located between which cells?
- A patent interventricular foramen normally permits communication between which spaces?