| 单词 |
spongiosa |
| 释义 |
‖ spongiosa Anat.|spʌndʒɪˈəʊzə|
[L. spongiōsa (sc. substantia): see spongiose a.]
a. The tissue constituting the bulk of the posterior grey column of the spinal cord. Now rare.
b. Cancellous or spongy bone tissue, such as that found within the ends of the long bones.
1947H. C. Elliott Textbk. Nerv. System xiii. 157/1 Like the dorsal gray column, the spinal V nucleus has a dorsolateral substantia gelatinosa, the relay nucleus for pain fibers, and a more central spongiosa for touch fibers. 1949New Biol. VI. 73 If we take a bone such as the thigh⁓bone (femur) and saw it in two lengthways, we find that the two ends near the joints consist of a spongy lattice (spongiosa) while the shaft is a hollow tube of dense bone (compacta). 1954T. L. Peele Neuroanat. Basis Clinica Neurol. v. 79/1 The ‘body’, or spongiosa, is subdivided into a ventrally placed basal part adjoining the intermediate gray columns, a dorsally placed ‘cervix’ or neck, and a ‘caput’ or head. 1966Lancet 31 Dec. 1430/1 Histological sections..confirmed the increase in trabecular bone in experiment 11. The increase was striking in both primary spongiosa..and secondary spongiosa. 1982Calcified Tissue Internat. XXXIV. 425/2 Osteoclasts in the primary spongiosa near the growth plate were the first to incorporate 3H-TdR. |
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单词 sporter 释义 sporter|spt(r)|Also 6 Sc. sportour.[f. sport v. + -er2. Cf. disporter.]†......