| 释义 |
chondrocranium noun[ C ] anatomy specializeduk /ˌkɒn.drəʊˈkreɪ.ni.əm/ us /ˌkɑːn.droʊˈkreɪ.ni.əm/pluralchondrocraniauk /ˌkɒn.drəʊˈkreɪ.ni.ə/ us /ˌkɑːn.droʊˈkreɪ.ni.ə/ the soft skull(= the structure that holds the brain) in babies and some young animals that is replaced by bone as they grow: The chondrocranium is a complex structure that appears during embryonic development of the head in all crown vertebrates. Chondrocrania of the four species differ in size and shape. At this stage, it was possible to see the emergence of the chondrocranium, a cartilaginous cranial structure of the embryo, which gives rise to the skull base that sustains the brain. This membrane goes on to form the cartilaginous skull or chondrocranium of these animals. SMART Vocabulary: related words and phrases The head acephalous basilar bean bonce brachiocephalic cranium extracranial fontanel foramen magnum headed headless noodle occipital occipital bone occipitalis occipitally sternocleidomastoid suboccipital temporal bone tonsure
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