| 词汇 | maxillary |
| 释义 | maxillary adjective medical specializeduk /mækˈsɪl.ər.i/ us /ˈmæk.sɪˌler.i/ relating to the upper jaw: 上颌的 maxillary cancer上颌癌 The head & face -cheeked -chinned baby face baby-faced brow bull neck cheek forehead jaw masseter masseteric mastoid maxilla maxillofacial temporal visage wattle weak-chinned zygoma zygomatic Examples of maxillarymaxillary Ocular coloboma associated with a solitary maxillary central incisor and growth failure: manifestations of holoprosencephaly. The maxillary processes grow forward and medially below the lateral nasal processes. The mandibular strut has as a branch the maxillary strut. Fetuses with clefts also demonstrate altered tongue positioning, muscular activity and swallow patterns, which contributes to a variable distortion of the maxillary and premaxillary segments. Both posterior coronoids have uneven rows of large denticles, with individual denticles approaching the size of adjacent maxillary teeth. Because of maxillary hypoplasia the nose is short and upturning, with anteverted nostrils. The maxillary processes develop as cephalic outgrowths from the mandibular process or first branchial arch. An anterior and a posterior point of articulation for the mandibles are present and are highly sclerotized, as is the maxillary strut. In weeks 6 and 7 the maxillary swellings grow medially, push the medial nasal swellings together, to fuse in the midline. The maxillary formation, which determines the width of the face, is a derivative of neural crest cells which are ectodermal in origin. The mandible is proximally as broad as the apex of the first segment of the maxillary palpus. In the position of the future hard palate, two outgrowths occur from the maxillary swellings, known as the palatine shelves. Palatal shelves grow out from the inner aspect of the maxillary processes. This produces poor alignment, with the maxillary segments collapsing mesio-palataly, behind the premaxilla, which may be particularly severe in the bilateral cleft. The numbers are superscript for maxillary teeth or subscript for mandibular teeth. See all examples of maxillary 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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