intine


Also found in: Dictionary.
Related to intine: in time, exine

intine

the thin, inner coat of a POLLEN GRAIN, composed of cellulose.
Mentioned in ?
References in periodicals archive ?
P: polar axis, E: equatorial axis, I: thickness of intine, t: Polar, Clg: length of colpus, Clt: latitude of colpus, M: median, V: variation, S: standart deviation.
Mert (2009) also described the pollen length, pollen width, intine and exine thickness of pollen grains of six cornelian cherry (C.
The exine has a very thin endexine layer, and a fibrilar intine with numerous invaginations coated by the plasmalemma can be observed.
The inside layer of the pollen grain, the intine, is not as resistant and is composed of cellulose and pectin produced by the microspore cell.
The values of intine thickness also showed remarkable variations and ranged from 0.7 m to 1.75 m.
P/E ratio was 0.94, exine thickness was 3.25 (2.5-5) u m and intine thickness was 0.75 (0.6-1) u m.
All conifer pollen is dehydrated on its release into air, but all swell in varying degrees on contact with water as result of hydration of the cellulosic intine. The response can be seen in tap water as well as in the pollination drop.
Exine (Ex) and Intine (In) are formed in this stage (fig 2 E) and tapetum in this plant is plasmodial type.
intine: Inner wall of a pollen grain that does not contain sporopollenin.
Clypeate grains are either functionally omniaperturate and have a thin exine and uniformly thickened intine (Thanikaimoni, 1986; Furness & Rudall, 1999, 2000) or are porate with localized thickenings of intine (Chanda & Ghosh, 1976; Halbritter & Hesse, 1995).
Tilney and Van Wyk (1997) report protrusions of intine,