os centralen.

Brit.

/ˌɒs sɛnˈtreɪli/,

/ˌɒs sɛnˈtrɑːleɪ/, U.S.

/ˌɑs ˌsɛnˈtreɪli/,

/ˌɑs ˌsɛnˈtrɑleɪ/

Inflections: Plural ossa centralia.

Origin: A borrowing from Latin. Etymon: Latin os centrale.

Etymology: < scientific Latin os centrale ( C. Gegenbaur Untersuchungen zur vergleichenden Anatomie der Wirbelthiere (1864) 6) < classical Latin os bone (see os n.¹) + centrāle , neuter of centrālis central adj. Compare centrale n.In plural form ossa centralia after the Latin plural form.

Chiefly Zoology.

A bone, or any of an intermediate row or group of bones, present in the carpus or tarsus of most vertebrates. Cf. centrale n.In humans and certain other primates, the single os centrale in the carpus becomes fused with the scaphoid, while that in the tarsus becomes the navicular bone. In less than 2% of humans, the os centrale in the carpus does not fuse with the scaphoid and remains a separate carpal bone.

ΚΠ

1870 W. H. Flower Introd. Osteol. Mammalia xx. 337 The navicular of the foot as representing the os centrale, found only occasionally in the manus of Mammals.

1887 Brit. Med. Jrnl. 5 Feb. 260/1 The axolotl might have two and even three ossa centralia.

1905 Trans. Amer. Roentgen Ray Soc. Fifth Ann. Meeting 162 The fusion of the embryonal os centrale with the lower and inner edge of the scaphoid.

1979 M. Michejda & W. T. Watson in G. C. Ruppenthal Nursery Care Nonhuman Primates vi. 74 In females..the onset of the ossification of the os centrale was observed.

2006 B. G. Richmond in Human Origins & Environmental Backgrounds viii. 119 The argument that early ontogenetic fusion of the os centrale to the scaphoid is an adaptation in African apes to knuckle-walking.

This is a new entry (OED Third Edition, September 2016; most recently modified version published online March 2022).

单词	os centrale
释义	os centralen. Brit. /ˌɒs sɛnˈtreɪli/, /ˌɒs sɛnˈtrɑːleɪ/, U.S. /ˌɑs ˌsɛnˈtreɪli/, /ˌɑs ˌsɛnˈtrɑleɪ/ Inflections: Plural ossa centralia. Origin: A borrowing from Latin. Etymon: Latin os centrale. Etymology: < scientific Latin os centrale ( C. Gegenbaur Untersuchungen zur vergleichenden Anatomie der Wirbelthiere (1864) 6) < classical Latin os bone (see os n.¹) + centrāle , neuter of centrālis central adj. Compare centrale n.In plural form ossa centralia after the Latin plural form. Chiefly Zoology. A bone, or any of an intermediate row or group of bones, present in the carpus or tarsus of most vertebrates. Cf. centrale n.In humans and certain other primates, the single os centrale in the carpus becomes fused with the scaphoid, while that in the tarsus becomes the navicular bone. In less than 2% of humans, the os centrale in the carpus does not fuse with the scaphoid and remains a separate carpal bone. ΚΠ 1870 W. H. Flower Introd. Osteol. Mammalia xx. 337 The navicular of the foot as representing the os centrale, found only occasionally in the manus of Mammals. 1887 Brit. Med. Jrnl. 5 Feb. 260/1 The axolotl might have two and even three ossa centralia. 1905 Trans. Amer. Roentgen Ray Soc. Fifth Ann. Meeting 162 The fusion of the embryonal os centrale with the lower and inner edge of the scaphoid. 1979 M. Michejda & W. T. Watson in G. C. Ruppenthal Nursery Care Nonhuman Primates vi. 74 In females..the onset of the ossification of the os centrale was observed. 2006 B. G. Richmond in Human Origins & Environmental Backgrounds viii. 119 The argument that early ontogenetic fusion of the os centrale to the scaphoid is an adaptation in African apes to knuckle-walking. This is a new entry (OED Third Edition, September 2016; most recently modified version published online March 2022). < n.1870
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