Suspensor

Suspensor

"For the fictional technology from the Dune universe, see Suspensor (Dune)"

Suspensors are filamentous structural formations employed by Fungi in holding a zygospore between two strains of hyphae.

*Also used by plant zygotes in angiosperms in connecting the endosperm to an embryo. During embryo development in angiosperm seeds, normal development involves asymmetrical division of the unicellular embryo, inducing polarity. The smaller terminal cell divides to become the proembryo while the larger basal cell divides laterally to form the suspensor. The suspensor is analogous to a placental mammalian's umbilical cord.

References

*C.J. Alexopolous, Charles W. Mims, M. Blackwell, "Introductory Mycology, 4th ed." (John Wiley and Sons, Hoboken NJ, 2004) ISBN 0-471-52229-5
*Neil A. Campbell, Jane B. Reece, "Biology, Seventh Edition" (Bejamin Cummings, San Francisco, CA 94111) ISBN 0-8053-6777-2


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Look at other dictionaries:

  • Suspensor — Sus*pen sor, n. [NL.] 1. A suspensory. [1913 Webster] 2. (Bot.) The cord which suspends the embryo; and which is attached to the radicle in the young state; the proembryo. [1913 Webster] …   The Collaborative International Dictionary of English

  • Suspensor — (lat.), Aufhängemuskel …   Pierer's Universal-Lexikon

  • suspensor — (de «suspender») 1 (Arg., Perú, Ur.) m. Suspensorio (prenda interior para proteger los testículos). 2 (Bol., Chi.; pl.) *Tirantes de los pantalones …   Enciclopedia Universal

  • Suspensor — ⇒ Embryoträger …   Deutsch wörterbuch der biologie

  • suspensor — |ô| adj. s. m. Diz se de ou objeto ou utensílio que serve para suspender outro …   Dicionário da Língua Portuguesa

  • suspensor — [sə spen′sər] n. [ML] 1. SUSPENSORY 2. Bot. a cell or group of cells that forces the embryo of a higher plant into its food supply, the endosperm …   English World dictionary

  • suspensor — SUSPENSÓR1, suspensoare, s.n. Bandaj special pentru hernie sau pentru susţinerea unui organ lăsat în jos. – După fr. suspensoir. Trimis de pan111, 13.09.2007. Sursa: DLRM  SUSPENSÓR2 suspensori, s.m. Muşchi lung şi subţire, care reglează… …   Dicționar Român

  • suspensor — /seuh spen seuhr/, n. 1. a suspensory ligament, bandage, etc. 2. Bot. a cellular structure, developed along with the embryo in seed bearing plants, that bears the embryo at its apex and by elongation carries the embryo to its food source. [1740… …   Universalium

  • suspensor — noun Etymology: New Latin, from Latin suspendere Date: 1832 a suspending part or structure: as a. a group or chain of cells that is produced from the zygote of a seed plant and serves to push the developing embryo into the endosperm b. either of… …   New Collegiate Dictionary

  • suspensor — n. [L. sub, under; pendere, hang] 1. (ARTHROPODA: Insecta) In Hymenoptera, a structure composed of carton or wax attaching the comb nests of bees and wasps. 2. (NEMATODA: Adenophorea) Muscles associated with the spicules, enclosing the distal… …   Dictionary of invertebrate zoology

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