Across
- 3. An organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve
- 7. The main control center of the nervous system, includes brain and spinal cordcerebellum
- 9. Nerves that carry information to the central nervous system
- 14. The main relay center of the brain
- 15. A region of the forebrain below the thalamus which coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature,
- 17. A body guard that separates the circulation blood from the brain and extra cellular fluid in the brain
- 19. A network of nerves extending from the brain and spinal cord that connects the central nervous system to the rest of the body
- 22. Motor nerves that carry signals from the central nervous system (brain and spinal cord) to the muscles, glands, and other organs in the body
- 25. An electrically excitable cell in the nervous system that transmits signals via electrical and chemical impulses
- 26. Non-neuronal cells in the nervous system that provide support, nourishment, and protection for neurons
- 27. A ridge or fold between two clefts on the cerebral surface in the brain.
- 31. Somthing that sends signals to other parts of the body
- 32. A web like layer of the meninges
- 36. Ependymal cells.
- 37. The junction in the nervous system where a neuron transmits a signal to another neuron or a target cell
- 38. A part of the brainstem, a translation service, a medical device, or a company, depending on the context
- 39. Transmit impulses from the central nervous system to effector organs like muscles and glands
- 42. A fatty, insulating layer that surrounds and protects the axons of neurons in the central and peripheral nervous systems
- 46. 12 paired nerves from the brain that help with senses, facial expressions, and movement
- 47. The part of the brain that connects the cerebrum to the spinal cord
- 48. A part of the sympathetic nervous system (SNS), also known as the "fight or flight" system, which is responsible for subconsciously preparing the body for stressful situations
- 49. Any factor that triggers a response in an organism or body system
- 50. The part of the nervous system that take care of involuntary functions
Down
- 1. The largest part of the brain
- 2. A major part of the brain located at the back of the skull that controls coordination, balance, and posture
- 4. A network of nerves, blood vessels, or lymphatic vessels that intertwine and branch out to innervate specific areas of the body
- 5. A star shaped glial cell in the central nervous system that give support to neurons
- 6. matter A tough, fibrous membrane that covers and protects the brain and spinal cord.
- 8. Transmit sensory information from the body's internal and external environment to the central nervous system (brain and spinal cord)
- 10. Glial cells, a type of support cell in the central nervous system
- 11. nerves that connect the spinal cord to the rest of the body
- 12. fluid A clear, colorless fluid that surrounds and cushions the brain and spinal cord.
- 13. The supportive tissue that provides a framework for an organ, distinct from its functional or "parenchymal" cells
- 16. A groove or furrow, especially one on the surface of the brain
- 18. Canals in the brain that have cerebralspinal fluid
- 20. Chemical messengers that transmit signals between neurons and other cells in the nervous system.
- 21. Part of the autonomic nervous system, which controls involuntary bodily functions.
- 23. It originates in the lower back (lumbar spine) and runs down the back of each leg
- 24. The immune cells of the central nervous system that act as the brain's primary defenders and "janitors"
- 28. A bundle of fibers in the body that transmit signals
- 29. cortex The outer layer of the brain, responsible for complex functions like thought, memory, and language
- 30. The part of a neuron that constraints the nucleus and other organelles
- 33. The lower part of the brainstem that connects the brain to the spinal cord. It controls functions like breathing, heart rate, and blood pressure
- 34. A long thin starnd of a nerve cell or neuron
- 35. Nerve The 10th cranial nerve branches to the larynx, trachea, bronchi, lungs, aorta, esophagus, and stomach
- 40. The functional tissue of an organ is distinguished from the connective and supporting tissue.
- 41. Short branched extension of a nerve cell
- 42. The three membranes (the dura mater, arachnoid, and pia mater) that line the skull and vertebral canal enclose the brain and spinal cord
- 43. A type of glial cell that line the fluid-filled spaces of the brain and spinal cord, including the ventricles and central canal
- 44. A bundle of verve roots that extend from the spinal cord at the L1 and L2 vertebrae and run down the vertebral canal
- 45. mater The innermost and most delicate of the three meninges, which are the protective layers surrounding the brain and spinal cord