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rachis

n. 脊椎,脊柱,花轴

脊椎,脊柱,花轴

WordNet (r) 3.0 (2006) (WordNet)

rachis
n 1: axis of a compound leaf or compound inflorescence
2: the series of vertebrae forming the axis of the skeleton and
protecting the spinal cord; "the fall broke his back" [synonym:
{spinal column}, {vertebral column}, {spine}, {backbone},
{back}, {rachis}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Rachis \Ra"chis\ (r[=a]"k[i^]s), n.; pl. E. {Rachises}
(r[=a]"k[i^]s*[e^]z), L. {Rachides} (r[a^]k"[i^]*d[=e]z).
[NL., fr. Gr. "ra`chis, -ios.] [Written also {rhachis}.]
1. (Anat.) The spine; the vertebral column.
[1913 Webster]

2. (Bot. & Zool.) Same as {Rhachis}.
[1913 Webster]

English-French (Internet Dictionary Project)

rachis[Noun]

English-Italian (Internet Dictionary Project)

rachide[Noun]

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英文字典中文字典相关资料:

Rachis - Wikipedia
In plants, a rachis is the main axis of a compound structure It can be the main stem of a compound leaf, such as in Acacia or ferns, or the main, flower-bearing portion of an inflorescence above a supporting peduncle
RACHIS Definition Meaning - Merriam-Webster
The bristle feathers that typically occur on the face and may serve protective and sensory purposes meld the flight feathers’ stiff shafts (called rachises) with the down feathers’ fluffy base
Axis, Rachis, Stem - Master Gardeners of Northern Virginia
If you drew a straight line through the center of an inflorescence, the main axis usually would be the rachis An exception is a capitula, where the main axis is the receptacle The peduncle supports the entire flower cluster and, when a rachis is present, lies below it
RACHIS definition and meaning | Collins English Dictionary
Definition of 'rachis' rachis in British English or rhachis (ˈreɪkɪs ) noun Word forms: plural rachises, rhachises or rachides, rhachides (ˈrækɪˌdiːz , ˈreɪ- )
Rachis Definition Meaning | YourDictionary
From New Latin, from Ancient Greek ῥάχις (rhakhis, “spine, ridge" ) Seed, attached to a branch of the rachis bearing two vegetative leaflets
Rachis | definition of rachis by Medical dictionary
The series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord Synonym (s): columna vertebralis [TA] , backbone, rachis, spina, spinal column, spine (2) Medical Dictionary for the Health Professions and Nursing © Farlex 2012
rachis - Wiktionary, the free dictionary
Noun rachis (plural rachises or rachides) (obsolete, zoology, anatomy) The spinal column, or the vertebrae of the spine [17th–19th c ] (zoology) An anatomical shaft or axis in a marine invertebrate [from 18th c ]
What does rachis mean? - Definitions. net
Rachis is a term used in biology to refer to the main stem or axis of a plant or animal structure, from which other parts such as branches, leaves, or feathers extend or grow
RACHIS Definition Meaning | Dictionary. com
RACHIS definition: See examples of rachis used in a sentence

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