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, pl.




(prō-bos'is, prō-bos'i-dēz, -sĕz),
1. A long flexible snout, such as that of a tapir or an elephant.
2. In teratology, a cylindric protuberance of the face that, in cyclopia or ethmocephaly, represents the nose.
[G. proboskis, a means of providing food, fr. pro- + boskein, to feed]
Farlex Partner Medical Dictionary © Farlex 2012


(prō-bŏs′ĭs, -kĭs)
n. pl. pro·boscises or pro·boscides (-bŏs′ĭ-dēz′)
1. A long flexible snout or trunk, as of an elephant.
2. A slender, tubular organ in the head region of an invertebrate, such as certain insects and worms, usually used for sucking or piercing.
3. A human nose, especially a prominent one.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


  1. the elongated snout of a tapir or elephant.
  2. the elongated mouthparts of some insects.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
By excluding visitors with short proboscides via its extended corolla, fetterbush may be able to specialize on relatively long-tongued moths, increasing conspecific pollen transport and limiting deposition of heterospecific pollen by more generalist bees.
Estos resultados, como los observados en otras comunidades de diferentes regiones (Haber & Frankie, 1989; Nilsson et al., 1987; Darrault & Schlindwein, 2002; Alarcon et al., 2008; Martins & Johnson, 2013) muestran que las flores de longitudes operativas extremas se han especializado en un gremio de esfingidos con proboscides correspondientemente largas.
Segun los rasgos morfologicos de las flores de estas especies solamente esfingidos con proboscides muy largas (mayores a los 11 cm de longitud) serian capaces de polinizarlas.
El tamano total de la proboscide es de 0,57 (0,53 - 0,64), la longitud de la proboscide anterior es de 0,34 (0,30 - 0,43) por 0,40 (0,36 - 0,45) de ancho y de la posterior es de 0,23 (0,20 - 0,27) por 0,54 (0,41 - 0,73) de ancho.
La longitud total de la proboscide es de 0,69 (0,57 - 0,78); la longitud de la proboscide anterior es de 0,40 (0,35 - 0,45) por 0,50 (0,43 - 0,55) de ancho y el largo de la proboscide posterior es de 0,24 (0,22 - 0,35) por 0,71 (0,57 - 0,80) de ancho.
The proboscides of the genus Cheliplana are held within an anterior sheath formed by the infolding of the body wall and everted through an anterior rostral pore (Rieger et al., 1991).
Adductor muscles are present in diascorhynch proboscides, but not in those of karkinorhynchs (e.g., Fig IB, C, Cheliplana; Karling, 1961; Schilke, 1970).
Insects carrying pollinaria of the orchids were captured and identified and their proboscides measured.
To determine whether there is selection against short-spurred individuals on the sandplain where the pollinators have very long proboscides (see below), we artificially shortened spurs of flowers at the Silverstroomstrand site in 1995.
A notable pattern is that of longer proboscides in the north of the species' range and shorter forms in the far south.
Dado que la proboscide de los Homeophtalme les permite alcanzar el nectar y polen de flores mas alargadas a las que los Tomophtalme no tienen acceso (Szucsich & Krenn, 2002), los Homeophtalme deberian mostrar una mayor diversidad, pero ocurre lo contrario.
4a Por lo menos las tibias media y posterior con sedas, ademas de las sedas preapicales y apicales; proboscide generalmente alargada; palpos uni o biarticulados; antenas juntas en la base....