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单词 plasmins
释义

plasm /plazm/

noun
  1. A formative substance, protoplasm, used as a combining form as in cytoplasm, germ plasm
  2. Plasma
  3. A mould or matrix (obsolete)
ORIGIN: Gr plasma, -atos a thing moulded, from plassein to mould

plasˈma noun

  1. The liquid part of blood, lymph, or milk
  2. A very hot ionized gas, having approximately equal numbers of positive ions and of electrons, highly conducting (physics)
  3. Plasm
  4. A bright-green chalcedony (geology)
  5. Protoplasm

plasmalemmˈa noun

A cell membrane, which in plants is situated under the cell wall

plasmapherēˈsis noun

The process of taking only the plasma from a blood donor, the blood cells being separated from the plasma by a centrifuge and returned to the donor

plas'masphere noun

The inner region of the magnetosphere, lying above the ionosphere

plasmatˈic, plasmatˈical or plasˈmic adjective

  1. Of or occurring in plasma
  2. Protoplasmic

plasˈmid noun

A circular piece of DNA which can exist and reproduce autonomously in bacteria

plasˈmin noun

Fibrinolysin, an enzyme that breaks down the fibrous protein (fibrin) in blood clots

plasminˈogen /-ə-jən/ noun

The substance in blood plasma from which plasmin is formed

plasmodesm /plazˈmō-dezm/ or plasmodesma /-dezˈma/ noun (pl plasmodesmaˈta)

(Gr desmos bond) a thread of protoplasm connecting cells

plasmoˈdial adjective

plasmoˈdium noun (pl plasmoˈdia)

  1. A naked mass of protoplasm with many nuclei, as in myxomycetes
  2. A parasitic sporozoan of the genus Plasmodium which causes malaria

plasmogˈamy noun

Fusion of cytoplasm only

plasˈmolyse or (N American) plasˈmolyze /-līz/ transitive verb

plasmolysis /-molˈi-sis/ noun

(see lysis) removal of water from a cell by osmosis, with resultant shrinking

plasmolytic /-mō-litˈik/ adjective

plasˈmon noun

The total of the genetic material in a cell

plasmosōˈma or plasˈmosome noun (pl plasmosōˈmata or plasˈmosomes)

(see -some2) a nucleolus

plasma cell noun

A lymphocyte producing antibodies

plasma membrane noun

The boundary between a cell and its environment, consisting of a thin layer of lipid and protein molecules

plasma screen noun

A television or computer screen on which images are formed by passing an electric current through tiny plasma-filled bubbles

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更新时间:2024/12/23 13:16:44