**What type of neuroepithelial derivative cell will we still have that are undifferentiated cells into adulthood?
glioblast
What does glioblast stand for?
nerve glue
Glioblasts can undergo _______ (probably little division beyond _ years of life).
mitosis; 5
What cells give rise to astrocytes and oligodendrocytes?
glioblasts
The glioblast and its derivations are the __________ _________ ______ of the ___.
functional connective tissue; CNS
What cells help guide neurons to their proper positions during early embryonic, fetal, and neonatal development?
glioblasts and their derivations
How many glioblasts derivatives are there compared to neurons in the adult human brain?
5 - 10 times as many glioblast derivatives as neurons
*Do glioblasts or their derivatives carry neural information?
no
What does astrocyte stand for?
stellate shape
*What is the most numerous cell of the adult central nervous system?
astrocyte
Do astrocytes continue to divide in the mature brain?
no
**What types of astrocytes are found in grey matter (unmyelinated)?
protoplasmic astrocytes
**What types of astrocytes are found in white matter (myelinated)?
fibrous astrocytes
What cells are rather ubiquitous structural support cells (a connective tissue-like function)?
astrocytes
**Astrocytes are found sandwiched between _____ ______ ___________ and ______ ____ ______. Those in this position are said to be a part of the _____ ____ _______ (___).
blood vessel capillaries; neuron cell bodies; blood brain barrier; BBB
What glioblast derivative maintain some mobility potential?
astrocytes
**What cell plays a dominant role in forming "scar-like" tissue following CNS injury (replacement glios)?
astrocytes
What cells may influence neurotransmitters, such as glutamate, dopamine, serotonin, at synaptic gaps?
astrocytes
Are astrocytes more numerous than oligodendrocytes?
yes
Are oligodendrocytes more numerous than astrocytes?
no