This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Regrowth of a damaged axon can occur more readily in the peripheral nervous system than in the brain ... (Read 46 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jun 22, 2018
Regrowth of a damaged axon can occur more readily in the peripheral nervous system than in the brain because
 
  a. Schwann cells form barriers to axon regrowth.
  b. Schwann cells form cylinders through which new axons can grow and reinnervate a target cell nerve cell.
  c. Schwann cells generate a chemical signal that instructs nerve cells to die.
  d. Astrocytes form cylinders through which new axons can grow and reinnervate a target cell nerve cell.
  e. Oligodendroglia form barriers to axon regrowth.

Question 2

Myelination of brain nerve axon membranes is accomplished by
 
  a. oligodendrocytes.
  b. microglia.
  c. astrocytes.
  d. neurocytes.
  e. Schwann cells.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gabrielle_lawrence

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: b. Schwann cells form cylinders through which new axons can grow and reinnervate a target cell nerve cell.

Answer to Question 2

Answer: a. oligodendrocytes


BRWH

  • Member
  • Posts: 553
Reply 2 on: Jun 22, 2018
Gracias!

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Tracheal Tube Respiratory System as diagrammed in a generalized insect Tracheal Tube Respiratory System as diagrammed in a generalized insect
Process Flow Diagram of a Dual-Stage Pressure System Process Flow Diagram of a Dual-Stage Pressure System
Structures of the respiratory system. Structures of the respiratory system.
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
Distribution of Thunderstorms: Approximately 14.5 million thunderstorms occur each year across the ... Distribution of Thunderstorms: Approximately 14.5 million thunderstorms occur each year across the ...
Female Reproductive System (Illustrated) Female Reproductive System (Illustrated)
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library