Author Question: The myelin sheath surrounding axons in brain is formed by ________. Fill in the blank with the ... (Read 68 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
The myelin sheath surrounding axons in brain is formed by ________.
 
  Fill in the blank with the appropriate word.

Question 2

Neuromodulators are
 
  a. rarely of a peptide form.
  b. secreted from neurons, but dispersed widely in the brain.
  c. inevitably inhibitory.
  d. secreted from a neuron and only affect an adjacent neuron.
  e. typically secreted in very small amounts compared to neurotransmitters.



kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Answer: oligodendrocytes or oligodendroglia

Answer to Question 2

Answer: b. secreted from neurons, but dispersed widely in the brain.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library