Anatomy

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Across

5. sheath insulation covering the axon
6. Clumping of particles. An antigen is mixed with the antibody (usually used in blood grouping)
13. Tumor or growth wich isnt cancerous. Grows slowly and isn't harmfull.
15. nervous system brain and spinal cord.
16. Towards the head
19. Help blood clot and slow bleeding.
20. flexation movement away from the body of the foot
21. summation effect of triggering an action potential in a neron from one or more presynaptic neurons
23. At a higher level than ….
29. At a lower level than …..
30. (equilibrium) potential depends on the concentration gradient for that ion across the membrane
32. bottom part of spine (5 fused vertebrate)
33. Consiting of all bones and joints
35. Excessive accumulation of fluid in the body tissue (inflammation)
38. Refers to the back of the body
41. nervous system vouluntary control and bodily movements.
43. Top part of the spine (7 vertebrate)
46. portion Consisting of the head, neck and the trunk
48. synapses biological junctions which signals can be sent to each other
50. bacteria transport compounds outside the cell which are potentaialy toxic.
52. Middle part of the spine (12 vertebrate)
54. indirectly linked with ion channels through signal transduction mechanisms shuch as G proteins
59. a nerve synapse between an axon and a dendrite
60. synapses mechanical and elctrically conductive link between to synapses
61. Far away from the trunk
62. plane Divides the body into right and left
64. Constiing of all the nerves, both the central nervous system and the pripheral nervous system
65. postsynaptic potential (IPSP) synaptic potential that makes a postsynaptic neurone less likelt to generate an action potental
66. Consiting of skin, sweat glands, hair, nails

Down

1. cell pyramid shaped cell with a single axon and many dendrites
2. Cancerous cells that have the ability to spread, uncomntrolled growth.
3. connects to brain cell and spinal cord
4. nervous system contains all the nerves that lie ouside the CNS.
7. postsynaptic potential (EPSP) change in membrane voltage of a postsynaptic cell following the influx of positively charged ions into a cell
8. Neuron which has two extensions
9. Refers to the front of the body
10. nerve ending relay the signal to nerons
11. middle bottom part of spine (5 vertebrate)
12. plane Divides the body into superior and inferior
14. Away from the midline
17. synapse between axon and the body of another
18. multiple synapse
22. a single synapse
24. rest and digest. Gland activity
25. portion Consisting of the upper and lower limbs
26. synapse between axon and the axon of another
27. Consisting of the renal system and uninary tract (kidneys, bladder e.c.t)
28. Chemical messenger system consisting of feedback loops
31. Towards the midline
34. Reduced number of white blood cells, increases risk of infection.
36. plane Divides the body into anterior and posterior
37. membrane bound receptor protein that respon to ligands binding by openiong ion channels
39. Neuron that has a single axon and many dendrites
40. summation Occurs when high frequency of actio potentials in the presynaptic neron elicts postsynaptic potentials that summate with each other
42. potential sudden, fast change of the resting membrane potential.
44. White blood cell count is above the normal in the blood. ( sign of the inflammatory response.
45. Leave tumor cells and move around the body (CHECK THID!)
47. feedback Process that moves a acondition to the normak level correcting the stimulus
49. nervous system unconciously and regulates bodily functions
51. hillock specialized part of the cell body of a neron that connects to the axon
53. Closer to the trunk
55. membrane potential a resting neuron voltage across its membrane. Determined by concentration gradients of ions
56. Towards the coccyx
57. movement from one to another, increase. (large numberS)
58. Neuron which has one extension
63. feedback Process that moves a condition away from the normal level reinforcing the stimulus