axometer ax·om·e·ter (āk-sŏm’ĭ-tər)
An instrument used in the determination of the position of the optical axes, especially for adjustment of eyeglasses. Also called axonometer.
- Axon hillock
axon hillock axon hillock n. The conical area of origin of the axon from the nerve cell body.
Cell Biology. the appendage of the neuron that transmits impulses away from the cell body. Historical Examples This tiny protoplasmic thread, the axon, was formed originally by growing out from the cell body. Physiology Ernest G. Martin Mr. axon says it is current in Lancashire and in Cornwall, Antiquary, xi. Folklore as an Historical Science […]
- Axon terminals
axon terminals axon terminals pl.n. The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells. Also called end-feet, neuropodia, terminal boutons.
Cell Biology. the appendage of the neuron that transmits impulses away from the cell body. noun the long threadlike extension of a nerve cell that conducts nerve impulses from the cell body Compare dendrite n. “axis of the vertebrate body,” 1842, from Greek axon “axis” (see axis). axon ax·on (āk’sŏn’) or ax·one (-sōn’) n. The […]