scholarly journals Description of a gynander of Colletes hedini (Hymenoptera: Colletidae) from the Qinghai-Tibetan Plateau, China: the first record of gynandromorphism for the genus after 30 years

2021 ◽  
Vol 440 ◽  
pp. 1-12
Author(s):  
R.R. Ferrari ◽  
◽  
T.M. Onuferko ◽  
C.D. Zhu ◽  
◽  
...  

The first known gynander of the East Asian cellophane bee Colletes hedini Kuhlmann (Hymenoptera: Colletidae) is described and imaged. We provide an illustrated differential diagnosis based on the terminalia, which are entirely male. We also DNA barcoded the gynander to confirm its identity, and the complete barcode sequence is made public. In the single specimen discovered, the distribution of female and male tissues is patchy and random (i.e., not split among tagmata or along a particular axis of the body) and thus the individual can be categorized as a mosaic gynander. This discovery represents one of only a few confirmed cases of gynandromorphism in colletid bees and the second in Colletes.

2020 ◽  
Vol 23 (1) ◽  
Author(s):  
Chung-Bae Kang ◽  
Sang-Hwa Lee ◽  
Tae-Sik Yu ◽  
Hae-Rim Lee ◽  
Kyeong-Ho Han

AbstractA single specimen of Arothron reticularis (398 mm in total length), belonging to the family Tetraodontidae, was collected in the coastal waters off Hansan island using a set net in May 2019. The morphological characteristics of the specimen are as follows: large eyes and mouth, white spots on the body, and a white line surrounding the eyes in an annular shape. A result of maximum likelihood tree showed that A. reticularis is related to A. hispidus (93.6%). We proposed the Korean name “Geu-murl-mu-nui-kkeo-kkeurl-bok,” in accordance with the characteristics of the specimen.


1998 ◽  
Vol 4 (1) ◽  
pp. 5-6
Author(s):  
E J Thompson ◽  
A JE Green

Brain proteins are released into body fluids in a fashion which reflects the underlying pathogenetic mechanisms for individual diseases. It is therefore important to distinguish not only different protein markers (reflecting various brain cells from which they have been released), but also their metabolism at different sites within the body (e.g. reticulo-endothelial system vs renal clearance) which will have an important bearing on whether fragments of the protein are found in urine or blood. It is clear that different patterns of protein abnormalities would be helpful in differential diagnosis of the individual diseases which afflict the nervous system. It would also be useful to monitor these proteins either as surrogate markers of the natural history of the condition or in the various therapies for each disease.


2017 ◽  
Vol 43 (3) ◽  
pp. 588-594
Author(s):  
Héctor Flores ◽  
Hugo Poblete

Melanism in fish is rare; it is expressed in a greater number of limnetic species rather than marine. The capture of a Cheilodactylus variegatus female specimen with full melanosis is reported. The individual was captured with harpoon by apnea diving, in the Caleta Piedra Azul, northern Chile. Its standard length was 33.6 cm and a total weight of 960 g. There is no morphological difference if compared with normal color specimens. The general coloration of the body is dark gray, with slightly lighter vertical stripes on the flank. No fins show the orange hue characteristic of the species. The validity of trematode infection effect as a causal agent of melanosis is discussed, because it is a mutation in the melanocortin receptor (MC1R). The melanosis condition in Ch. variegatus, is very rare. It is the first time that this phenomenon is reported for this species, where the expression of a dark color, would be beneficial to specimens who reside on bottoms with little vegetation and among crevices.


2001 ◽  
Vol 40 (01) ◽  
pp. 31-37 ◽  
Author(s):  
U. Wellner ◽  
E. Voth ◽  
H. Schicha ◽  
K. Weber

Summary Aim: The influence of physiological and pharmacological amounts of iodine on the uptake of radioiodine in the thyroid was examined in a 4-compartment model. This model allows equations to be derived describing the distribution of tracer iodine as a function of time. The aim of the study was to compare the predictions of the model with experimental data. Methods: Five euthyroid persons received stable iodine (200 μg, 10 mg). 1-123-uptake into the thyroid was measured with the Nal (Tl)-detector of a body counter under physiological conditions and after application of each dose of additional iodine. Actual measurements and predicted values were compared, taking into account the individual iodine supply as estimated from the thyroid uptake under physiological conditions and data from the literature. Results: Thyroid iodine uptake decreased from 80% under physiological conditions to 50% in individuals with very low iodine supply (15 μg/d) (n = 2). The uptake calculated from the model was 36%. Iodine uptake into the thyroid did not decrease in individuals with typical iodine supply, i.e. for Cologne 65-85 μg/d (n = 3). After application of 10 mg of stable iodine, uptake into the thyroid decreased in all individuals to about 5%, in accordance with the model calculations. Conclusion: Comparison of theoretical predictions with the measured values demonstrated that the model tested is well suited for describing the time course of iodine distribution and uptake within the body. It can now be used to study aspects of iodine metabolism relevant to the pharmacological administration of iodine which cannot be investigated experimentally in humans for ethical and technical reasons.


2020 ◽  
Vol 11 (SPL1) ◽  
pp. 1477-1481
Author(s):  
Ishwari Gaikwad ◽  
Priyanka Shelotkar

The current world situation is both frightening and alarming due to the massive disruption caused by the Covid-19 pandemic. The next few days are censorious as we need to be very precautious in our daily regimen as well as dietary habits. Ayurveda offers knowledge about food based on certain reasoning. Indecent food custom is the chief cause for the rising development of health disorders in the current era. In classical texts of Ayurveda, the concept of diet explained well, ranging from their natural sources, properties and specific utility in pathological as well as physiological manner. In this work, the review of the relevant literature of Ahara (Diet) was carried out from Charak Samhita and other texts, newspapers, articles, web page related to the same.  Every human being is unique with respect to his Prakriti (Physical and mental temperament), Agni (Digestive capacity), Koshtha  (Nature of bowel) etc. For that reason, the specificity of the individual should be kept in mind. Ahara, when consumed in the appropriate amount at the right moment following all Niyamas (Guidelines) given in Ayurveda texts, gives immunity and keeps the body in a healthy state during pandemics such as Covid-19. Ultimately, this will help the human body to maintain its strength for life. This article reviews the concept of diet viz. combination of foods, their quantity and quality, methods of preparation and processing, which are to be followed during pandemics and are essential in maintenance and endorsement of health and preclusion of diseases.


2020 ◽  
Vol 5 (5) ◽  
pp. 386-393
Author(s):  
L. M. Gunina ◽  
◽  
Kazys Mylashyus ◽  
Voitenko V. L. ◽  
◽  
...  

Under high-intensity loads, the athlete's bodies take place a number of biochemical reactions and physiological processes that can lead to hyperbilirubinemia. The factors that can initiate the onset of this phenomenon include the syndrome of micro-damage muscle, violation of the integrity of erythrocyte membranes, decreased blood pH, malnutrition and increase oxygen demand of the body. Degree of expression of manifestations of physiological bilirubinemia depends on the level of adaptation of the athlete to the physical activities offered. Hyperbilirubinemia in athletes can be one of the components of the deterioration of the functional state, forming the symptoms of endogenous intoxication. The relevance of this problem in sport lies in the relatively low detection rate of hyperbilirubinemia due to the lack of regular screening studies. However, in drawing up a plan of nutritional- metabolic support for training and competitive activity and recovery measures, must not only the individual reaction of the athlete body to physical activity, but also the severity of shifts in the indicators of bilirubin metabolism and their ratio. The article describes the reasons for the increase in bilirubin levels, which can be caused by both the effect of physical activity and by the presence of pathological processes in athletes. The factors influencing the blood serum’s bilirubin content are also highlighted, which include the state of erythrocyte cell membranes and the rate of hemoglobin destruction, the functional state of the liver, the specifics of physical loads and the use of ergogenic pharmacological agents by athletes. Particular accent has been placed on the illumination of hereditary hyperbilirubinemias, which may have been detected at the stage of selection of athletes. The most common phenomenon is Gilbert's syndrome, which occurs in 2-5% of cases in the general population, is characterized in the clinic by a benign flow and is manifested by episodes of jaundice and an increase in total bilirubin content to moderate values due to indirect. The frequency of detection of hyperbilirubinemias in the population of athletes is 4.68%, among which Gilbert's disease accounts for almost half (48.7%). Conclusion. The work highlighted the pathogenesis and diagnostic algorithm of Gilbert's disease, and also emphasized that its drug prevention and correction in athletes to maintain functional and physical fitness should be carried out taking into account anti-doping rules, which requires upon diagnosis timely receipt of a therapeutic exclusion


Author(s):  
L. B. Zavaliy ◽  
A. Yu. Simonova ◽  
M. M. Potskhveriya ◽  
Yu. N. Ostapenko ◽  
M. G. Gadzhieva ◽  
...  

Cases of thallium poisonings are regularly reported in media. In the present work, the world experience in diagnostics and treatment of victims with thallium poisoning has been compiled and summarized, search for clinical guidelines for the diagnostics, treatment and rehabilitation of patients has been carried out. The toxicokinetics and toxicodynamics, as well as pathophysiological mechanisms of thallium influence on the body are described in detail. Toxic and lethal concentrations of poison in biological media, as well as its tropicity to various tissues and body systems were determined. The clinical picture depending on the timing of poisoning and the dose of poison is described in detail. Difficulties of the differential diagnosis are defined. The most interesting cases of criminal and household poisonings with various terms of establishment of the diagnosis, doses of poisoning and outcomes are presented.


Author(s):  
Rajendra Pai N. ◽  
U. Govindaraju

Ayurveda in its principle has given importance to individualistic approach rather than generalize. Application of this examination can be clearly seem like even though two patients suffering from same disease, the treatment modality may change depending upon the results of Dashvidha Pariksha. Prakruti and Pramana both used in Dashvidha Pariksha. Both determine the health of the individual and Bala (strength) of Rogi (Patient). Ayurveda followed Swa-angula Pramana as the unit of measurement for measuring the different parts of the body which is prime step assessing patient before treatment. Sushruta and Charaka had stated different Angula Pramana of each Pratyanga (body parts). Specificity is the characteristic property of Swa-angula Pramana. This can be applicable in present era for example artificial limbs. A scientific research includes collection, compilation, analysis and lastly scrutiny of entire findings to arrive at a conclusion. Study of Pramana and its relation with Prakruti was conducted in 1000 volunteers using Prakruti Parkishan proforma with an objective of evaluation of Anguli Pramana in various Prakriti. It was observed co-relating Pramana in each Prakruti and Granthokta Pramana that there is no vast difference in measurement of head, upper limb and lower limb. The observational study shows closer relation of features with classical texts.


Author(s):  
Joshua S. Walden

The book’s epilogue explores the place of musical portraiture in the context of posthumous depictions of the deceased, and in relation to the so-called posthuman condition, which describes contemporary changes in the relationship of the individual with such aspects of life as technology and the body. It first examines Alfred Hitchcock’s Vertigo to view how Bernard Herrmann’s score relates to issues of portraiture and the depiction of the identity of the deceased. It then considers the work of cyborg composer-artist Neil Harbisson, who has aimed, through the use of new capabilities of hybridity between the body and technology, to convey something akin to visual likeness in his series of Sound Portraits. The epilogue shows how an examination of contemporary views of posthumous and posthuman identities helps to illuminate the ways music represents the self throughout the genre of musical portraiture.


Author(s):  
Adrian Marciszak ◽  
Yuriy Semenov ◽  
Piotr Portnicki ◽  
Tamara Derkach

AbstractCranial material ofPachycrocuta brevirostrisfrom the late Early Pleistocene site of Nogaisk is the first record of this species in Ukraine. This large hyena was a representative of the Tamanian faunal complex and a single specialised scavenger in these faunas. The revisited European records list ofP.brevirostrisdocumented the presence of this species in 101 sites, dated in the range of 3.5–0.4 Ma. This species first disappeared in Africa, survived in Europe until ca. 0.8–0.7 Ma, and its last, relict occurrence was known from south-eastern Asia. The main reason of extinction ofP.brevirostrisprobably was the competition withCrocuta crocuta. The cave hyena was smaller, but its teeth were proportionally larger to the body size, better adapted to crushing bones and slicing meat, and could also hunt united in larger groups.


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