| 词汇 | thenar |
| 释义 | thenar noun anatomy specializeduk /ˈθiː.nər/ us /ˈθiː.nɚ/ the soft part of the hand at the base of the thumb: 鱼际（拇指基部的掌侧隆起） Carpal tunnel syndrome may cause thumb weakness and thenar atrophy.腕管综合征可能导致拇指乏力和鱼际萎缩。 The hand ambidextrous carpal carpometacarpal carpus dexterity dexterous finger fingermark fingernail fingertip forefinger heel left-handed median nerve metacarpal metacarpophalangeal metacarpus minimus mitt nail Examples of thenarthenar The human thumb also has other muscles in the thenar group (opponens and abductor brevis muscle), moving the thumb in opposition, making grasping possible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Both involve a less developed first metacarpal and a nearly absent thenar musculature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The thumb has one long flexor and a short flexor in the thenar muscle group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They drain into a venous plexus which is situated over the thenar and hypothenar eminences and across the front of the wrist. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If the median nerve is damaged, the ability to abduct and oppose the thumb may be lost due to paralysis of the thenar muscles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is also occasionally referred to as the thenar branch, or the thenar muscular branch, of the median nerve. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It also supplies the muscles of the thenar eminence by a recurrent thenar branch. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The palm consist of two elongated central pads, a hypothenar pad and a thenar pad. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a thenar muscle, and therefore contributes to the bulk of the palm's thenar eminence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It can occur with an injury of the median nerve either at the elbow or the wrist, impairing the thenar muscles and opponens pollicis muscle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is one of three thenar muscles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a fleshy, flat, triangular, and fan-shaped muscle deep in the thenar compartment beneath the long flexor tendons and the lumbrical muscles at the center of the palm. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Running forward, it passes through, occasionally over, the thenar muscles, which it supplies, and sometimes anastomoses with the terminal portion of the ulnar artery, completing the superficial palmar arch. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For opposition and therefore precision grips, several factors are necessary: adequate thumb position, adequate length of the thumb, stable joints and adequate thenar muscle or thumb strength. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the case of a five fingered-hand it has a finger-like appearance, with the position in the plane of the four fingers, thenar muscle deficiency, and additional length. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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