trifid


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trifid

[′trī‚fid]
(biology)
Divided into three lobes separated by narrow sinuses partway to the base.
References in periodicals archive ?
As with the Trifid Nebula, the gas and dust seen here come from exploding stars.
The two cotyledons have entire margins, the two pairs of eophylls ("primarblatter") have dentate margins, and above them, there is an abrupt change to trifid spiny leaves on the main axis.
Smoldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star's life, from gestation to first light.
Supraocular cirri are typically bifid or trifid, but occasionally have more than three terminal filaments.
Shape of cerci (males): entire (0), bifid (1), trifid (2).
Where this leaves us is that the [Barbe] alternative to our holding is to impose an unwieldy trifid system on recovery for maritime deaths, [i] If the death occurred within territorial waters, recovery could be had under the Moragne wrongful death-survival action, [ii] If the death occurred on the High Seas and the unwary pleader invoked the magical provisions of F.
2 mm long, yellow to orangebrown; styles bifid (rarely some trifid in some spikelets).
Its characteristics are much as first described by Symonds in 1923--low-relief carving on the aprons of tables and seat furniture, usually on a diapered ground; decoration of rosettes, festoons, eagles' heads and tassels centred on lions' or other masks; baskets of flowers; acanthus leaves, shells, masks and cabochons on the knees of tables and chairs; flat, wavy stretchers on chairs; muscled or fetlocked legs; squared paw feet; webbed claw feet; panelled and trifid feet; extended 'c' scrolls on the inside of legs.
Legs: femur I and 11 without basal swelling; femora I and 11 with primary slit sensillum directed transversely; femur I much longer than patella I; suture line between femur IV and patella IV transverse; metatarsus shorter than tarsus; metatarsal pseudotactile seta sub-proximal; legs with two bifid or trifid subterminal tarsal setae; arolium longer than claws, not divided but slightly indented at fringed ventral margin; claws slender and simple.