| 单词 | sclerite |
| 例句 | Its body was covered in external, hardened structures called sclerites, which are not found on modern entoprocts. Ancient sea creature's secrets 2013-01-17T14:07:27Z At the base of the wing, i.e. its attachment to the trunk, we find a highly complex series of small sclerites adapted for the varied movements necessary for flight. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Opisthosoma without trace of appendages; its posterior somites narrowed to form a movable tail for the support of the post-anal sclerite, which has no poison glands. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" The female can protrude a long flexible tube in connexion with the eighth segment, carrying the sclerites of the ninth at its extremity, and these sclerites may carry short hairy processes—the stylets. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Cervical sclerites: small ebitinous plates on the membrane between head and thorax: see jugular sclerites. Explanation of Terms Used in Entomology The head, if rather narrow, is distinct, and beneath the prothorax is a characteristic sclerite known as the 'anchor process' or 'breast bone.' The Life-Story of Insects A marked modification of the hinder abdominal segments may be noticed in most insects, 421 the sclerites of the eighth and ninth being frequently hidden by those of the seventh. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Opisthosoma without post-anal sclerite and posterior caudal elongation: with frequently a pair of small lobate appendages on the sternum of the 3rd somite. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" The most active form of larva found in this family resembles in shape that of a ladybird, tapering towards the tail end, and having the trunk segments protected by small firm sclerites. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Gula: the throat: that sclerite forming the central portion of the head beneath, extending from the submental to the posterior margin, and laterally bounded by the genae. Explanation of Terms Used in Entomology Cardines: the hinge or basal sclerite of the maxilla by means of which it is jointed to the head. Explanation of Terms Used in Entomology Riley holds that the hypopharynx belongs to the mandibular and maxillary segments, while the cervical sclerites or gula represent the sternum of the labial segment. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z There is also a pair of narrow tergal sclerites interposed between the anterior and posterior shields. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" Orbital sclerite: a narrow sclerite encircling some eyes. Explanation of Terms Used in Entomology Sternellum: the second sclerite of the ventral part of each thoracic segment frequently divided into longitudinal parts which may be widely separated. Explanation of Terms Used in Entomology Supra-anal plate: a triangular sclerite covering the anal cavity above; present in many insects, sometimes in one sex only, often in both: see anal operculum. Explanation of Terms Used in Entomology Lateral view of a denuded Lepidopteron to show arrangement of sclerites. Explanation of Terms Used in Entomology Prostigmata.—Integument soft, strengthened by special sclerites, those on the ventral surface of the prosoma apparently representing the basal segments of the legs embedded in the skin. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" Lateral view of a dragon fly to show the body sclerites. Explanation of Terms Used in Entomology Trochanter: a sclerite, sometimes divided, between the coxa and femur sometimes fused with the femur. Explanation of Terms Used in Entomology Axillary lobe: the sclerite covering the base of the wing in Diptera; see also alula and posterior lobe. Explanation of Terms Used in Entomology Basalis: the principal mandibular sclerite, when sclerites are distinguishable, to which all other parts are jointed; corresponds to the stipes in the maxilla. Explanation of Terms Used in Entomology Astigmata.—Degenerate, mostly parasitic forms approaching the Prostigmata in the development of integumental sclerites and the softness of the skin, but with the respiratory system absent. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" Annulus antennalis: the ring sclerite of the head into which the basal segment of the antennae is inserted; = antennal sclerite. Explanation of Terms Used in Entomology Tergite: the primitively dorsal part of a segment, especially when that part consists of a single sclerite; usually applied to the abdomen. Explanation of Terms Used in Entomology Epigastrium: the first entire ventral sclerite of the abdomen. Explanation of Terms Used in Entomology Jugular sclerite: small sclerite in the membrane connecting the head with the thorax: see cervical sclerite. Explanation of Terms Used in Entomology Jugulum: that sclerite just behind the sub-mentum; =gula: that cavity of the posterior part of the head to which the neck is annexed: the lateral and under parts of the prothorax. Explanation of Terms Used in Entomology Metepisternum: in Odonata, is the sclerite between the first and second lateral thoracic sutures. Explanation of Terms Used in Entomology Tergum: the primitively upperor dorsal surface whether it consists of one or more than one sclerite and specifically of the abdomen: in Odonata and Orthoptera, applies to thorax as well. Explanation of Terms Used in Entomology Pleura: plural of pleuron or pleurum: the lateral sclerites between the dorsal and sternal portion of the thorax: in general, the sides of the body between the dorsum and sternum. Explanation of Terms Used in Entomology Pleural pieces: the lateral sclerites of the thorax; see pleura. Explanation of Terms Used in Entomology Pleurostict: lamellicorn beetles in which the abdominal spiracles are situated on the dorsal portion of the ventral sclerites. Explanation of Terms Used in Entomology Symphysis: where two sclerites are joined together by a soft membrane, permitting a slight motion. Explanation of Terms Used in Entomology Appendicle: a small appendix: in some bees, a small sclerite at tip of labrum. Explanation of Terms Used in Entomology Platelet: a little plate or sclerite of chitin in a membrane. Explanation of Terms Used in Entomology Post-scutellum: the fourth and posterior sclerite of the dorsum of the thoracic rings. Explanation of Terms Used in Entomology Subgalea: a maxillary sclerite or segment, attached to the stipes, and bearing the galea or outer lobe. Explanation of Terms Used in Entomology |
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