All Words Glossary

Glossary of Cellular Biology Terms
beginning with letter S
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somatic
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adjective
  1. Part of, or relating to a body of an organism.
somatic cell
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noun
  1. (biology) any normal cell of an organism that is not involved in reproduction; a cell that is not on the germline
sperm
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noun (plural sperms or )
  1. (cytology) The reproductive cell or gamete of the male, the spermatozoon.
  2. The semen
spermatocyte
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noun (plural spermatocytes)
  1. (cytology) A male gametocyte, from which a spermatozoon develops.
spermatozoon
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noun (plural spermatozoa)
  1. (cytology) The reproductive cell or gamete of the male, carried in semen, that fertilizes the ovum to produce the zygote.
spindle
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noun
  1. (spinning) a distaff, the rod used for spinning and then winding natural fibres, especially wool.
  2. a rod which turns, or on which something turns.
  3. a worldwide tree of the genus Euonymus, originally used for making the spindles used for spinning wool.
  4. an upright spike for holding paper documents by skewering.
verb (spindl, ing)
  1. To make into a long tapered shape.
  2. To impale on a device for holding paper documents.
    Do not fold, or mutilate this document.
streaming
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noun
  1. (computing) the transmission of digital audio or video, or the listening and viewing of such data without first storing it
adjective
  1. that streams
synapse
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noun
  1. (context, neuroanatomy, cytology) The junction between the terminal of a neuron and either another neuron or a muscle or gland cell, over which nerve impulses pass.
verb (synapses, synapsing, synapsed, synapsed)
  1. (intransitive) To form a synapse.
  2. (intransitive) To undergo synapsis.
synapsis
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noun ;synapsis
  1. The association of homologous maternal and paternal chromosomes during the initial part of meiosis.
syngamy
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noun
  1. The fusion of two gametes to form a zygote.

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