Day 9 Vocab

2. pieces of very large cells in the bone marrow called megakaryocytes
4. pieces of very large cells in the bone
5. the space between neurons at a nerve synapse across which a neurotransmitter transmits a nerve impulse
7. an insulating layer, or sheath that forms around nerves
10. an electrical signal that travels along a nerve fiber in response to a stimulus
11. the quality or state of being immune
12. called megakaryocytes
16. appendages that are designed to receive communications from other cells
17. against a disease
19. a toxin or other foreign substance which induces an immune response in the body

1. one of the four major lobes of the cerebral cortex
3. a rapid rise and subsequent fall in voltage
6. a chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse
7. a large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell
8. the points of contact between neurons where information is passed
9. treatment with a vaccine to produce
13. a blood protein produced in response to and counteracting a specific antigen
14. the electrical potential of a neuron or other excitable cell relative to its surroundings
15. a colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease
18. a bacterium, virus, or other microorganisms that can cause disease.