dehiscent


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Related to dehiscent: wound dehiscence

dehiscent

adjective Referring to dehiscence.

dehiscent

(of plant structures) spontaneously bursting open to liberate the enclosed contents. The two main dehiscent structures are ANTHERS releasing pollen grains and certain dry fruits that split open to release seeds, for example those of peas, beans, wallflowers, delphiniums. See also CIRCUMSCISSILE.
References in periodicals archive ?
The dehiscent 2-winged fruit has a subcircular outline with a cordate base and apex and an elongated protruding apical extension.
The dehiscent 2-winged fruit is nearly elliptical, with retuse apical margin.
The fruits are 5- (to 2-) winged and may be indehiscent, or dehiscent into mericarps (Bayer and Kubitzki, 2003).
The fruit is a 5-winged inflated loculicidally dehiscent capsule, obcordate in outline, formed from a 5-carpellate ovary.
Fruit mostly a pair of ventrally dehiscent follicles (often only one due to abortion) (rarely a capsule), with small seeds with a micropylar coma, rarely with a chalazal coma or ecomose (fruits in Rauvolfioideae drupes, berries, follicles, or capsules; seeds usually ecomose, naked, winged, or arillate).
Anthers free from style head; corolla-lobe aestivation in bud typically sinistrorse (overlapping to the left), rarely dextrorse; fruit dehiscent or indehiscent, syncarpous or apocarpous, a berry, drupe, follicle, or capsule; seeds naked, with wings, or arils, but almost never with coma Rauvolfioideae at one end 2.
Fruit dehiscent or indehiscent; pericarp fleshy or dry; endocarp sometimes lignified, forming a stone around the seed(s); seeds generally naked or winged, testa glabrous or hairy, smooth, or pitted, ridged or rugulose, without coma (except in Haplophyton), sometimes with pronounced hilar furrow; endosperm smooth, sometimes ridged or ruminate.
Anthers usually sagittate at base and with lignified guide rails; fruit fleshy, either a pair of dehiscent follicles with arillate seeds or an indehiscent beery Tabernaemontaneae 1.
Before performing a myringotomy, a dehiscent jugular bulb and glomus tumor must be excluded.
5 mm thick in nearly 88% of patients and entirely dehiscent in up to 8%.
The horizontal portion of the facial nerve was in a normal position relative to the stapes, but dehiscent.