Biology A: Nervous system and Hormones

Virginia H.
Words for the Nervous System and Hormones Unit
27 words 13 learners

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Full list of words from this list:

words only definitions & notes
  1. nervous system
    the sensory and control apparatus consisting of a network of nerve cells
  2. hormone
    the secretion of an endocrine gland transmitted by the blood
    Nervous system and Hormone Unit Plan
  3. cell
    the basic structural and functional unit of all organisms
    - Know the parts and functions of a motor neuron: cell body, dendrites, axons, sheath, end plate
  4. dendrite
    short fiber that conducts toward the cell body of the neuron
  5. axon
    long nerve fiber that conducts impulses away from a cell
  6. sheath
    a protective covering, as for a knife or sword
    - Know the parts and functions of a motor neuron: cell body, dendrites, axons, sheath, end plate
  7. end-plate
    the flattened end of a motor neuron that transmits neural impulses to a muscle
  8. motor neuron
    a neuron conducting impulses outwards from the brain or spinal cord
  9. endocrine system
    the system of glands that produce endocrine secretions that help to control bodily metabolic activity
  10. central nervous system
    the portion of the vertebrate nervous system consisting of the brain and spinal cord
  11. peripheral nervous system
    the section of the nervous system lying outside the brain and spinal cord
  12. receptor
    a cellular structure that connects with a specific chemical agent
  13. effecter
    one who brings about a result or event
  14. sensory neuron
    a neuron conducting impulses inwards to the brain or spinal cord
  15. motor neuron
    a neuron conducting impulses outwards from the brain or spinal cord
  16. stimulus
    any information or event that acts to arouse action
    - Know the sense organs and the stimuli they react to – eyes, ears, tongue, skin and nose
  17. cornea
    the transparent part of the eye covering the iris and pupil
  18. retina
    a light-sensitive membrane covering the back of the eyeball
  19. rod cell
    a visual receptor cell that is sensitive to dim light
  20. cone cell
    a visual receptor cell in the retina that is sensitive to bright light and to color
  21. optic nerve
    the cranial nerve that serves the retina
  22. sclera
    the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
  23. pupil
    a learner who is enrolled in an educational institution
    - Describe the structure and function of the eye including the following parts and their functions: Cornea, Aqueous Humor, Pupil, Iris, Sclera, Lens, Ciliary muscles and suspensory ligament, Vitreous humor, Retina, Optic never, Blindspot
  24. aqueous humor
    the limpid fluid within the eyeball between the cornea and the lens
  25. vitreous humor
    the clear colorless transparent jelly that fills the posterior chamber of the eyeball
  26. blind spot
    the point where the optic nerve enters the retina
  27. myelin
    a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
Created on Wed Oct 10 00:05:50 EDT 2012 (updated Thu Oct 11 01:29:42 EDT 2012)

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