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Zootaxa ◽  
2021 ◽  
Vol 5082 (1) ◽  
pp. 87-94
Author(s):  
SHUQING XIAO ◽  
HUIMING CHEN ◽  
ZHIYONG DI

We describe Scolopocryptops longipes sp. nov., a new troglobitic scolopocryptopine centipede species from a karstic area in southern China. The species was found in Shuiba Cave of Libo County, Guizhou Province. The cephalic plate wider than long, with complete margination along the lateral margin of cephalic plate; TT6–19 with complete paramedian sutures; tibia, tarsus 1 and tarsus 2 of leg 22 each with one spur; prefemur and femur of ultimate legs glabrous, tibia and tarsi with dense bristles. S. longipes is the second troglobitic scolopocryptopine in China and the fourth in the world described thus far.  


2021 ◽  
Vol 30 (2) ◽  
pp. 248-265
Author(s):  
M. González-Córdoba ◽  
V. Manzo ◽  
C.E. Granados-Martínez

A new riffle beetle, Zunielmis pax gen. et sp. nov., is described from Colombia (Vichada, Puerto Carreño, Bita River basin). It can be distinguished from all the other elmids by having large areas of a microgranular mesh (plastron) on the pronotum and elytra, crenulate lateral margin of the latter two, the shorter interocular distance than diameter of each eye, as well as by the characters of the structure of mandibles, the shape and sculpture of pronotum, and the structure of mesosternum, mesotibiae and elytra. The imagoes were collected on freshwater sponges. The habitat, where the new species was found, is described, and the adaptive meaning of the characteristics of plastron are discussed. Drawings and photographs of the adult habitus, distinctive morphological characters, and male and female genitalia are provided.


Zootaxa ◽  
2021 ◽  
Vol 5047 (3) ◽  
pp. 321-341
Author(s):  
DANIELA CORREIA GRANGEIRO ◽  
LEILA APARECIDA SOUZA ◽  
MARTIN LINDSEY CHRISTOFFERSEN

Three new species of Androdeloscia Leistikow, 1999 from the Brazilian Amazonian rainforest are described. Androdeloscia bicornuata sp. nov., A. paraleilae sp. nov., and A. micropunctata sp. nov. were distinguished from the 26 other species of the genus mainly based on the shape of male pleopod I endopod. Androdeloscia bicornuata sp. nov. differs from all the species in the genus by the complex morphology of the distal portion of the male pleopod I endopod bearing hyaline lamella and two horn-like tips. Androdeloscia paraleilae sp. nov. is characterized by the male pleopod I endopod with simple distal portion, without hyaline lamella, and apex represented by a curved tip and inner margin serrate proximally; and by the concavity on the lateral margin of the first maxilla (except for the A. leilae that is related to other listed characteristics). Androdeloscia micropunctata sp. nov. differs from the remaining species of the genus by the male pleopod I endopod with simple distal portion, without hyaline lamella, and apex truncate bearing a small acute tip in the outer corner; and 5+5 teeth on the first maxilla. Some characters related to the genus are later discussed.  


2021 ◽  
pp. 155-170
Author(s):  
Gilles Dorival

During the time of Procopius (sixth century), the catenae arranged the sacred text in the same way as the Christian commentaries before them: the Septuagint is quoted verse by verse and occupies the first position; the commentary then comes below it. This layout can be called a full-page disposition. Sometime during the second half of the seventh century the full-page model began to be replaced by a marginal layout. The reference unit is not the single folio, but the whole surface constituted by two following folios facing one other: first a given even folio, second the corresponding odd folio. The biblical text is written in the centre of each of these two folios; and the fragments of the catenae are written around it, in the upper margin, the lateral margin, and the lower margin. This marginal layout developed out of the two-column layout, in which the left column gives the biblical text and the right one, the fragments. This layout comes from the scholia. It is preserved in a few manuscripts, such as the Coislinianus 360 and the Vaticanus Barberinianus gr. 455. Witnesses of the marginal layout are numerous in the ninth, tenth, and eleventh centuries. From the twelfth century to the end of Byzantium in the fifteenth, there was a return to the full-page layout. Besides the layout, the writing system emphasized the biblical text. Several arrangements are found, for instance the biblical text can be written with uppercase letters, whereas the catena uses lowercase. A most important aspect of these catenae is the form of the text of the Septuagint that is given in the catenae. As a rule, the compilers gave the text of the Septuagint in use in their monasteries or churches at the time of the compilation. But, in the extracts of the patristic authors, the quotations of the Scriptures are not aligned with this reference text. All in all, there are very few studies of the biblical text of the catenae. Much work remains to be done. Some of the compilers had a great interest in Biblical glosses, as well as in Jewish revisions. It is time for a new publication of Lexeis of the 150 Psalms, the first edition of Joseph Pasini is now dated (1749). And the catenae offer many unpublished readings coming from Origen’s Hexapla.


Author(s):  
Bruno Ella ◽  
Kissi Lamia ◽  
Sofia HAÏTAMI ◽  
Simohamed BOUZOUBAA

The Lingual nerve is frequently anesthetized during oral, maxillofacial or otorhinolaryngology surgery. It originates below the oval hole in the infratemporal region, follows its path down and forward, and moves away from the medial surface of the ramus and goes just above the mylohyoid line. It approaches the lateral margin of the tongue and crosses the Wharton's canal, and divides into numerous branches. As described in the literature, some cases of temporomandibular joint syndrome or myofascial pain syndrome could be a result of its anatomical variations. Also, the jurisprudence has always tried to condemn the practitioner if he did not demonstrate that the path of the injured nerve presents an anomaly which makes his involvement inevitable. The purpose is to present one of the multiple atypical paths of the lingual nerve not described in the retromandibular trigone demonstrating that its damage constitutes a risk that cannot be controlled.


2021 ◽  
pp. 1-14
Author(s):  
Christopher Gerbi ◽  
Stephanie Mills ◽  
Renée Clavette ◽  
Seth Campbell ◽  
Steven Bernsen ◽  
...  

Abstract Microstructures, including crystallographic fabric, within the margin of streaming ice can exert strong control on flow dynamics. To characterize a natural setting, we retrieved three cores, two of which reached bed, from the flank of Jarvis Glacier, eastern Alaska Range, Alaska. The core sites lie ~1 km downstream of the source, with abundant water present in the extracted cores and at the base of the glacier. All cores exhibit dipping layers, a combination of debris bands and bubble-free domains. Grain sizes coarsen on average approaching the lateral margin. Crystallographic orientations are more clustered and with c-axes closer to horizontal nearer the lateral margin. The measured fabric is sufficiently weak to induce little mechanical anisotropy, but the data suggest that despite the challenging conditions of warm ice, abundant water and a short flow distance, many aspects of the microstructure, including measurable crystallographic fabric, evolved in systematic ways.


2021 ◽  
Vol 11 (5) ◽  
pp. 151-154
Author(s):  
Sunil V. Jagtap ◽  
Swati S. Jagtap ◽  
Shefali Mishra

Schwannomas are benign encapsulated nerve sheath neoplasm arising from differentiated Schwann cells. Herewith we present a case in a 32 years-old male patient presented with complaint of swelling on right lateral margin of tongue, since. The swelling was gradually increasing in size. On clinical examination lesion was 3.0 x 2.5x 1.5 cm. It was firm in consistency, smooth, mobile and non-tender on palpation. The overlying mucosa was normal. The excision of the mass was done with adequate surgical margins of resection. On histopathological examination reported as Schwannoma of tongue. We are presenting this case for its rarity, clinical, radioimaging, and histopathological findings. Key words: Nerve tumors, Schwannomas, Tumors of oral cavity.


Geofluids ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-22
Author(s):  
Bo Yang ◽  
Hongjun Qu ◽  
Jianchao Shi ◽  
Yuqi Bai ◽  
Wenhou Li ◽  
...  

The Chang 7 interval of the Upper Triassic Yanchang Formation in the Ordos Basin represents a typical deep lacustrine depositional sequence. On the basis of field outcrops, cores, well logs, light/heavy mineral provenance analysis, and petrological studies, we evaluated the characteristics of deep-water gravity flow deposition of the Chang 7 interval and constructed a depositional model. The sediments mainly came from the northeast of the study area, and multiple sublacustrine fans were deposited in the center of the basin. Different from the deep-marine fan, the sublacustrine fan in the study area develops under the background of gentle slope without any erosional canyon between the fan and delta front. Gravity flow deposits in the study area can categorised into three groups: sand debris flow deposits, turbidity current deposits, and deep-water mudstone deposits. The main channel and branch channel are mainly developed with thick massive sandy debris sandstone, while the channel lateral margin and branch channel lateral margin are mainly developed with middle massive sandy debris sandstones and turbidite sandstones, which from bottom to top, the thickness of sand layer becomes thinner and the grain size becomes smaller. Thin mudstone is developed between channels; the lobe fringe includes sheet-like turbidite sandstones and deep lake mudstones. The widely distribute, good quality source rocks ( TOC = 2 % – 6 % ) developed in deep lacustrine have attained the peak stage of oil generation ( R o = 0.9 % – 1.2 % ). The superimposition of the sublacustrine fan sand bodies and the wide distribution of good quality source rocks favor the formation of large lithologic reservoirs characterized by source–reservoir integration, self-generation and self-storage, and near-source accumulation.


2021 ◽  
Vol 3 ◽  
Author(s):  
James Thomka ◽  
Thomas E. Bantel

A noteworthy specimen recording a syn vivo interaction between a stalked echinoderm and a tabulate coral is described herein from the middle Silurian (Wenlock: Sheinwoodian) Massie Formation of Ripley County, southeastern Indiana. Part of the column of the camerate crinoid Eucalyptocrinites is encrusted around the entirety of its lateral margin by a favositid colony. The radially outward orientation of corallites on both the upper and lower surfaces of the colony show that the coral was elevated completely above the seafloor and, more importantly, that the crinoid column had to be vertical at the time of initial encrustation and subsequent coral astogeny. Hence, the crinoid host was most likely alive throughout the duration of this interaction. No evidence for a paleopathological reaction is present on the crinoid column, suggesting that the encruster did not adversely affect the host. This most likely reflects the long and inflexible column of Eucalyptocrinites, which could have supported encrusting, secondarily tiered organisms—even relatively heavy ones—without interfering with the biological functions of the crown or weighing down the column.


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