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red spruce


a. Running or flowing outward.
b. Marked by an outward flow of current.
2. Botany
a. Having a single, undivided trunk with lateral branches, as in spruce trees.
b. Extending beyond the apex of a leaf, as a midrib or vein.

[Latin excurrēns, excurrent-, present participle of excurrere, to run out; see excursion.]


1. (Zoology) zoology having an outward flow, as certain pores in sponges, ducts, etc
2. (Botany) botany
a. (of veins) extending beyond the margin of the leaf
b. having an undivided main stem or trunk, as the spruce and other conifers
3. flowing or running in an outward direction
[C19: from Latin excurrere to run forth; see excursion]


(ɪkˈskɜr ənt, -ˈskʌr-)

1. running out or forth.
2. giving passage outward: the excurrent canal of certain sponges.
3. Bot.
a. having the axis prolonged so as to form an undivided main stem or trunk, as the stem of the spruce.
b. projecting beyond the apex, as the midrib in certain leaves.
[1595–1605; < Latin excurrent-, s. of excurrēns, present participle of excurrere to run out. See ex-1, current]
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References in periodicals archive ?
Samples of spermatozoa and eggs were taken using pipettes positioned directly above the excurrent siphon of spawning clams and were immediately examined.
Longer abstinence intervals reward men with poor sperm production, because sperm accumulate in the excurrent ducts for 7 days or more of sexual abstinence; and otherwise penalize men with good sperm production, because after 3 days or less of abstinence, their excurrent ducts are probably full (1).
Segmental and cellular expression of aquaporins in the male excurrent duct.
We have presented the proportion covering the aerial parts of tree species respectively as excurrent crown and decurrent crown for Common Cypresses and old Rubber trees [9].
For unusual presentation in inguinal part of excurrent ductal system as a primary representative site and tuberculosis of the same presenting with suppuration in this region which is not reported in the literature.
Epididymis is the basic segment of the excurrent duct system in the reproductive tract of male goat where maturation and storage of spermatozoa occur under androgenic control (Robaire et al.
Unde si in Urbe Platensi patet accessus ad Societatem sine speciali labore Provincia ditescet operariis Indorum, qui quamprimum initiate fuerint sacris Ordinibus, ad missiones excurrent non inviti, ac reluctantes ut assolet cum Indici idiomatis non bene gnari sunt, Residentias, seu doctrinas Indorum Lubenter incolent, et quod caput invenientur operarii idonei ad infideles nationes investigandas easq fide catholica instruendas>> (Ib.
The Wabash pigtoe releases small pelagic conglutinates, while the monkeyface displays a modified excurrent aperture that acts as a lure (Crownhart et al.
The bivalves apparently do not benefit from the water current created by the host, because adults are usually not close to the incurrent or excurrent flow and because they are in very different positions in the host (Fig.
In this project, oak species had lower in-woods utilization rates than species with a more excurrent branching pattern, such as pine species and yellow poplar.
5-4 cm long, green, occasionally suffused with purple, or completely maroon, densely pubescent; proximal and distal blades of approximately the same shape and size, ovate to elliptic, (4-) 6-11 x (2-) 3-4 (-5) cm, fleshy, the base often slightly asymmetric, cuneate to decurrent, the apex acute, occasionally shortly acuminate, the margins subentire to slightly serrulate, with 15-30 teeth on each side, teeth of two-size classes, each tooth with a distal callosity, the adaxial surface bright green, pubescent, the abaxial surface pale green suffused with purple, densely pubescent, the venation semicraspedodromous, with eight to ten pairs of secondary veins, irregularly spaced, excurrent to mid-vein, higher order veins reticulated, submarginal vein absent.