| 单词 | metacarpus |
| 例句 | It is, with relation to other regions, short in proportion as the metacarpus is elongated, and as the number of digits is lessened. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z A 3�4�5 cm. fibrous mass in the subcutis about the digital flexor tendon on the volar surface of the metacarpus. Ecological Studies of the Timber Wolf in Northeastern Minnesota 2011-10-03T02:00:28.037Z The bones which correspond to the back of the hand in man, termed the metacarpus, are variable in length in Pterodactyles—sometimes very long and sometimes short. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z Fossils show that the metacarpus - one of the "hand" bones - was elongated and much bigger than in related species, with very thick walls. Ancient island bird fought with club-like wings 2011-01-05T00:03:58Z This runs down the anterior and outer side of the upper arm, and is attached to the proximal tendon of the extensor metacarpi radialis longus, a little below the outer condyle of the humerus. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z In the horse, for example, whose metacarpus is long, and in which but one digit is apparent, the humerus is very short. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The premaxillae are either small and separated in front, or rudimentary; and the first phalange of the middle finger when in repose is laid back on the metacarpus. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" The extremity of the metacarpus was applied to the ground. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z The forearm, wrist, and metacarpus are immobilised in the attitude of dorsal flexion, while the fingers and thumb are left free to allow of passive movements. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The anterior ligament of the wrist being now divided, the carpus and metacarpus are to be separated by cutting-pliers, and the carpus extracted by strong sequestrum forceps. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners The metacarpus is reduced to a single piece, which in the horse constitutes what is known as the canon. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z It is somewhat remarkable how often this occurred when the short hard bones of the metacarpus were struck. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The metacarpus consists of bones which correspond to the back of the hand. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z Ganglia are also met with on the dorsum of the metacarpus and on the palmar aspect of the wrist. Manual of Surgery Volume First: General Surgery. Sixth Edition. With the metacarpus, however, there are instances where compound fracture occurs in colts that justify treatment. Lameness of the Horse Veterinary Practitioners' Series, No. 1 B. The radials represented by a single muscle, the anterior extensor of the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The injuries to the metatarsus corresponded so nearly to those already spoken of in the case of the metacarpus that they need no further mention. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre There is great difference in the length of the metacarpus. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z So mingled every relic,—ilium and ulna, carpus and metacarpus;—and so similar the corresponding parts, that like the literary remains of Beaumont and of Fletcher, which was which, no spectacles could tell. Mardi: and A Voyage Thither, Vol. II Simple transverse fracture of the metacarpus, for instance, constitutes a favorable case for treatment if other conditions are favorable. Lameness of the Horse Veterinary Practitioners' Series, No. 1 There does not exist on the forearm a groove for the posterior ulnar muscle, or external flexor of the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Fractures of the metacarpus, on the other hand, presented exactly the opposite features. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre This position of the metacarpus is a remarkable difference from Birds, because when the bird's wing is at rest it is folded into three portions. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z In this case the foot is held up, the animal's metacarpus resting on the operator's knee, and the toe of the hoof pushed downwards with some degree of force. Diseases of the Horse's Foot The sheath of the flexor tendons, which begins about the middle portion of the lower third of the metacarpus, and continues downward below the pastern joint is often distended. Lameness of the Horse Veterinary Practitioners' Series, No. 1 It presents, on its external surface, a groove for the passage of the tendon of the posterior ulnar muscle, which is named by veterinary anatomists the external flexor of the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Certain cases may be greatly benefited by sectioning the tendons of the external and middle flexors of the metacarpi. Common Diseases of Farm Animals The whole finger is preserved in other specimens straightened out so as to be in line with the metacarpus. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z It is further absorbed by the shoulder-joint, and from there passed on to the almost vertical bony column represented by the radius and ulna, the knee, and the metacarpus. Diseases of the Horse's Foot Common examples are in fractures of the metacarpus and metatarsus of the first phalanx. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The metacarpus is formed of three bones: the principal metacarpal and the two rudimentary ones. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The line 'a a' in the hand indicates the boundary between the carpus and the metacarpus; 'b b' that between the latter and the proximal phalanges; 'c c' marks the ends of the distal phalanges. Lectures and Essays This condition is well seen in Professor Marsh's specimen of Rhamphorhynchus, which has the wing membrane preserved, in which all bones of the fore-arm metacarpus and wing finger are extended in a continuous curve. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z This will reveal the median nerve itself situated upon the red fibres of the flexor metacarpi internus muscle. Diseases of the Horse's Foot Symptomatology.—Abnormal mobility of the broken parts of bone and crepitation mark fracture of the metacarpus, and the condition is easily diagnosed. Lameness of the Horse Veterinary Practitioners' Series, No. 1 On the anterior surface, and a little to the inner side, is found a tuberosity, which is destined for the insertion of the anterior extensor of the metacarpus, the homologue of the radial muscles. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Portions of the metacarpus, metatarsus, tibia, and femur have been detected, and the determinations of Mr. Barrett have been confirmed by Professor Owen. The Student's Elements of Geology But the fore-arm and metacarpus in this type only measure 3 inches. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z The underneath surface of the superior suspensory ligament was much thickened, and firmly adherent to the bone; at the posterior surface of the metacarpus there was a quantity of gelatinous substance. Diseases of the Horse's Foot In simple fracture, the metacarpus is covered with enough cotton to pad the parts, and this is retained in position by bandages. Lameness of the Horse Veterinary Practitioners' Series, No. 1 These three portions are the homologues of the carpus, the metacarpus, and the fingers, which, as we have already seen in the case of the hand, are the osseous groups which form its skeleton. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The hand in animals, as in man, is formed of three parts—the carpus, metacarpus, and fingers. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z In that type the head appears to have been about 3 or 4 feet long, and the wing finger exceeded 5 feet; while the length of the fore-arm and metacarpus exceeded 3 feet. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z Action.—The action of this muscle is to extend the third phalanx on the second, the second on the first, and the first on the metacarpus. Diseases of the Horse's Foot To the metacarpus succeed three digits, of which the central is the longest, and is formed of two phalanges; the other two are formed each by a small, stylet-shaped bone. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z In them not only is the metacarpus turned back, but also the two first phalanges. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The metacarpus, as a whole, is directed vertically. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The four bones of the wing finger measure, from the point where the first bone bends upon the metacarpus, less than 18 inches. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z Action.—This muscle flexes the second phalanx on the first, the first on the metacarpus, and the entire foot on the forearm. Diseases of the Horse's Foot This inferior row carries the metacarpus with it; for the carpo-metacarpal articulation is much less mobile than either of the other two. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z A. Oblique extensor of the metacarpus, the homologue of the long abductor of the thumb and the short extensor of the thumb, united as one muscle. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The external rudimentary metatarsal is better developed than the internal; in the metacarpus the reverse is the case. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Another character is the extreme shortness of the metacarpus, usually associated with immense strength of the wing metacarpal bone. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z The latter it flexes in turn on the metacarpus. Diseases of the Horse's Foot As its name indicates, this muscle extends the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z B. The two radials blended superiorly, distinct inferiorly; this is the anterior extensor of the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z This is why, as we have pointed out above, it receives the name of the oblique flexor of the metacarpus. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The distinctive character of the skeleton in this genus is found in the extraordinary length of the metacarpus and in the complete ossification of the smaller metacarpal bones throughout their length. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z But the other variations are in the length of the metacarpus, or of the neck, or head. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z |
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