| 词汇 | tegmen |
| 释义 | tegmen noun[ C ] uk /ˈteɡ.mən/ us /ˈteɡ.mən/pluraltegminauk /ˈteɡ.mɪ.nə/ us /ˈteɡ.mɪ.nə/ tegmennoun[C] (INSECT)biology specialized a hard layer that covers the wings of some insects: The whole of the tegmina, front of the wings, and abdomen are a reddish colour. The length of the tegmen was used as a measure of locust size. The tegmen lengths of both sexes were measured on a sample of the more common grasshopper species from the trap. The colour and pattern of markings on the tegmen offer a fairly reliable means of distinguishing geographical subspecies. The forewings are hardened and leathery, being known as tegmina. The development & parts of insects antenna caterpillar chrysalis cocoon eclose eclosion feeler grub larva larval maggot nit nymph proboscis pupal royal jelly silkworm thoracic venation worm tegmennoun[C] (SEEDS)biology specialized the inner layer of a seed covering: The seed coat has two layers, the outer testa and inner tegmen. In rice, the caryopsis coat is composed of the pericarp, tegmen, and nucellar layers. Compare testa The structural integrity of the inner seed coat, or tegmen, appeared to have been maintained. Internally, the tissues that comprise the testa of the seeds have a thin layer of white cells that constitute the tegmen. Fruits & seeds & their parts ackee aronia barberry bergamot bur caryopsis chaff cone flesh peel pine nut pip pith pithy poppy seed radicle radicular seed coat seed pod seedless tegmennoun[C] (BONE)anatomy specialized(alsotegmen tympani) a small flat bone that covers the middle ear and separates it from the main part of the skull: The study included patients with tegmen defects who underwent surgery. The layer of bone that separates the tympanic from the cranial cavity is extremely thin, and is known as the tegmen tympani. The tympanic antrum is bounded above by a thin plate of bone, the tegmen tympani, which separates it from the middle fossa of the base of the skull. This method is used for anchoring of cochlear implants, and the repair of tegmen and posterior canal wall defects. Bone structures acetabular acetabulum acromial acromioclavicular acromion foramen magnum frontal bone glenoid gnathic gynecoid osteology osteophyte osteotomy parietal parietal bone TMJ trapezoidal triquetrum true rib tubercle Examples of tegmentegmen Dried pinned material was used, the right tegmen and femur being removed and pinned on a flat surface. Hind border of tegmen creamy white without spots, continuing, when folded, the line of the median stripe of the head and pronotum. The areas which were creamy white in the young form have become bright red owing to the reddening of the network of fine veins towards the base of the tegmen. Anterior edge of tegmen or phallobase without struts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lower (in the evolutonary sense) gall flies often have sclerotized parameres and a more or less transparent plate (the tegmen) located above theaedeagus-the tegmen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The squamosal lacks a suspensory process that contacts the tegmen tympani, the roof of the tympanic cavity, a defining character of oryzomyines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The squamosal bone lacks a suspensory process contacting the tegmen tympani, the roof the tympanic cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The roof of the tympanic cavity, the tegmen tympani, is small. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tegmen is semi-hyaline with faint but distinct color patterning present, the hindwing is hyaline and without any patterning. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In higher gall flies the parameres and tegmen are not developed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are five long, often branched, rays attached round the edge of the tegmen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The specimen is mostly complete, though the right tegmen torn, and the hind legs are partly destroyed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Seeds reniform, suspended; testa thick, crustaceous, shining black; tegmen soft, membranaceous. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The squamosal bone lacks a suspensory process that contacts the tegmen tympani, the roof of the tympanic cavity, a defining character of oryzomyines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The specimen is composed of a single isolated tegmen which is preserved as a compression fossil in sedimentary rock. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. |
| 随便看 |
|
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。