Which of the following is true regarding unmyelinated nerve fibers in the PNS?
A. A Schwann cell folds its plasma membrane around several fibers.
B. A Schwann cells wraps its plasma membrane around each individual fiber as it does with myelinated fibers.
C. An oligodendrocyte cells wraps its plasma membrane around each fiber as it does with myelinated fibers.
D. Satellite cells cluster around each axon to form a pseudo-myelin sheath.
A. A Schwann cell folds its plasma membrane around several fibers.
You might also like to view...
Explain how the structure of an oxygen atom with an atomic mass of sixteen would be diagrammed. Include the number of subatomic particles in each part of the atom
What will be an ideal response?
Which condition is characterized by an increase or exaggeration of the lumbar curve of the vertebral column?
a) herniated disc b) scoliosis c) kyphosis d) lordosis e) spina bifida
Which type of epithelium secretes enzymes and buffers in the pancreas and salivary glands?
A) simple squamous B) stratified squamous C) transitional epithelium D) pseudostratified columnar epithelium E) simple cuboidal
Which of the following provides the main source of energy for a newborn during its first
few days? A) Glycogen B) Protein C) Glucose D) Fat