9 Questions
What is the primary characteristic of pituicytes in the posterior pituitary?
Highly branched structure
What is the most abundant cell type in the posterior pituitary?
Pituicytes
Which type of glial cells are found in the posterior pituitary?
Pituicytes
Pituicytes in the posterior pituitary share similarities with which of the following cells?
Microglia in the brain
What distinguishes pituicytes from other glial cells in the posterior pituitary?
Their involvement in cerebrospinal fluid production
What is the significance of pituicytes being highly branched?
They can respond to a larger area of stimuli
What is the function of the neurosecretory (Herring) bodies in the pars nervosa?
To release oxytocin and vasopressin into the capillaries upon neural stimulation
Which factor determines whether oxytocin or vasopressin is released from the neurosecretory (Herring) bodies?
Neural stimulation
What is the primary source of the unmyelinated axons in the pars nervosa?
Supraoptic and paraventricular hypothalamic nuclei
Test your knowledge of the cellular composition of the posterior pituitary, including the characteristics of pituicytes and their resemblance to astrocytes. Explore the abundance of different cell types in this region.
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