与 «HEXACTINAL»相关的英语书籍
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hexactinal的用法。与
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These spicules are interpreted as being derived from hexactinal forms by the
suppression of one axis. It is possible, however, that stauractines were more
primitive than true hexactinal spicules in the Hexactinellida, since they are the
only ...
Patricia R. Bergquist,
1978
2
Proceedings of the Ocean Drilling Program: Initial report
ECOLOGIC INTERPRETATION Hexactinal sponges, the spicules of which
dominate assemblages from the Leg 71 sites, are seldom found at depths of less
than 100 meters, register their maximum development at 500-1000 meters, and
exist ...
Scripps Institution of Oceanography, Deep Sea Drilling Project, National Ocean Sediment Coring Program
3
Modern Text Book of Zoology: Invertebrates
10, 10-MicroscIcres. 1-Monactinal monaxon. 2-Diactinal monaxon 3 -Curved
monaxon. 4-Triaenes. 5 & 6-Tetraxon calthrops. 7-Triradiate. 8 -Monaxon with
ends hooked (anphidisc). 9-Hexactinal triaxon. 10 & 11-Potyaxons. 12-Spongin
fibres.
4
A Dictionary of Entomology
HEXACTINAL Adj. (Greek, hex I six + actus I motion + -al I characterized by).
Descriptive of organisms with 6 rays or arms. Rel. Hexamerous. HEXADRIN®
See Endrin. HEXAFLUMURON A urea compound {N-(((3 ,5 - dichloro-4-(1 , 1 ,2,2
...
5
Chemical Zoology V2: Porifera, Coelenterata, And Platyhelminthes
Large hexactinal spicules, combining to form a delicate and regular framework (
Parenchymalia principalia); occasionF 10. 8. Section of the body wall of
Euplectella aspergillum, to show subdermal trabecular layer; interspaces in the
chamber ...
3.5A to D). The ends are pointed, knobbed, or hooked. Tetraxons are four-
pronged spicules (Fig. 3.5E and F), but some types are triradiate owing to the
absence of one ray (Fig. 3.5M). Triaxons, or hexactinal spicules, are six-rayed (
Fig. 3.51).
7
Comprehensive English-Hindi dictionary:
W, ^fa^ TOT ^T 3TcTT 3TTcRft, W$ I Hexactinal t^Re-K^adj. having six rays W-
fTOlf Hexagon ^W3RH n. a figure with six sides and as many angles ^f3TT3Tf
3TR ^'ft 3T# 3TT^f?, ^T^?, TZ^T I Hexahedron e^^^tn. a solid of six faces Mdcl ^
3RT ...
Bholānātha Tivārī, Amaranātha Kapūra, Viśvaprakāśa Gupta,
1998
8
Sponges of the New Caledonian Lagoon
geometry; monacts include monaxonic spicules (e.g. styles in demospongesl,
derivatives of tetraxonic spicules {e.g. -needle-eye- microxea in Calcareai a-nd
hexactinal spicules (e.g. basal bidentatesl; (cf. diactinalt. Monactine Spicule with
a ...
9
Robertson's Words for a Modern Age: A Cross Reference of ...
See NUMBERS in Appendix G for additional numerical elements. Qualifying
words: hexacanth, hexactinal, hexactine, hexacyclic, hexad, hexadactylia,
hexadactylism, hexadactyly, hexadecimal, hexagon, hexahedral, hexahedron,
hexameter, ...
10
A Dictionary for Invertebrate Zoology:
... Cestoda) A six-hooked mature embryo, or larva, hatching from the egg; an
onchosphere. hexachaetous a. [Gr. hex, six; chaite, hair] (ARTHRO: Insecta) In
Diptera, describing the bundle of 6 needlelike mouth- parts (stylets). hexactinal a.