MIDTERMS - HISTOLOGY OF CEREBRUM Flashcards
What is the Largest part of the brain and is composed of right and left hemispheres?
Cerebrum
TRUE OR FALSE
Cerebrum performs higher functions (Touch, vision, hearing, speech, reasoning, emotions, learning, and fine
control movement).
TRUE
The surface of the cerebrum has a folded appearance called the?
Sulci and Gyri
The cerebrum consists of how many percent of the 100 billion nerve cells?
70%
What do you call the abundant neuronal cell bodies, dendrites, initial unmyelinated portions of axons, astrocytes, and neuroglial cells where most synapses occur?
Gray Mater
What are efferent Pyramidal neurons- most conspicuous?
Function: integration of sensory information and initiation of voluntary motor responses.
Cerebral Cortex
Cerebral Cortex has numerous?
Neurofibrils
What is the most prominent part of cerebral cortex?
Apical Dendrites
FILL IN THE BLANKS:
In cerebrum, Grey mater is located _________________, while white mater
is located ________________.
peripherally
centrally
Enumerate the 6 layers of the cerebrum.
MEEIIM
- Molecular Layer
- External Granular Layer
- External Pyramidal Layer
- Internal Granular Layer
- Internal Pyramidal Layer
- Multiform Layer
What layer of the cerebrum is also known as “plexiform layer”?
Molecular Layer
Molecular Layer/ Plexiform layer is primarily made up of nerve fibers in what direction?
Horizontal
What do you call the horizontal cells in the molecular layer?
Cajal Cells
What layer of the cerebrum is also known as small pyramidal cell layer
External granular layer
What layer of the cerebrum is also known as medium- sized pyramidal cell layer?
External pyramidal layer