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单词 distal
释义

distal

/ˈdɪst(ə)l /
adjective
1 Anatomy Situated away from the centre of the body or from the point of attachment: the distal end of the tibia...
  • The stomach and small bowel were dilated due to there being colonic atresia just distal to the cecum.
  • Retinal prostheses are only viable if the visual pathway distal to the retina is intact and functional.
  • This disorder occurs because of median nerve entrapment distal to the elbow.
The opposite of proximal.
1.1 Geology Relating to or denoting the outer part of an area affected by geological activity: the distal zone is characterized by pyroclastic flow deposits...
  • In distal areas, a layered sedimentary unit appears under the chaotic unit.
  • The spherules in South Greenland are the first distal impact ejecta recognized in mid-Precambrian strata.
  • Similar laminated deposits are formed in more distal periglacial lakes.

Derivatives

distally

adverb ...
  • Body or contour feathers are pennaceous distally.
  • The muscle may be divided, with the second belly attached distally to the radius (near the tuberosity), or even the ulna.
  • In all these species, Bcl-rambo and BH3-only Bid form two distally adjacent genes on opposite strands.

Origin

Early 19th century: from distant, on the pattern of words such as dorsal.

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更新时间:2024/12/23 20:12:34