Ectoplasm (cell biology)

For other uses, see Ectoplasm.

Ectoplasm (also exoplasm) (from the ancient Greek word ἐκτός - èktòs: outside and πλάσμα - plasma: literally that which has form) refers to the outer, non-granulated part of a cell's cytoplasm. This is opposed to the endoplasm which is the inner layer of the cytoplasm, and often is granulated. It is clear, and protects as well as transports things within the cell.^[1] Moreover, large numbers of actin filaments frequently occur in the ectoplasm, to form an elastic support for the cell membrane.^[2]

References

↑ http://www.biologycorner.com/worksheets/paramecium_color.html
↑ Arthur C. Guyton, John E. Hall. Textbook of Medical Physiology, Eleventh Edition. Saunders. |access-date= requires |url= (help)

Structures of the cell / organelles (TH H1.00.01.2-3)

Endomembrane system	Cell membrane Nucleus Nucleolus Endoplasmic reticulum Golgi apparatus Parenthesome Autophagosome Vesicles Exosome Lysosome Endosome Phagosome Vacuole Acrosome Cytoplasmic granules Melanosome Microbody Glyoxysome Peroxisome Weibel–Palade body

Cytoskeleton	Microfilaments Intermediate filaments Microtubules Prokaryotic cytoskeleton MTOCs Centrosome Centriole Basal body Spindle pole body Myofibril

Endosymbionts	Mitochondrion Plastids Chloroplast Chromoplast Gerontoplast Leucoplast Amyloplast Elaioplast Proteinoplast Tannosome

Other internal	RNA Ribosome Spliceosome Vault Cytoplasm Proteasome

External	Undulipodium Cilium Flagellum Axoneme Radial spoke Extracellular matrix Cell wall

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Ectoplasm (cell biology)

See also

References