the biology of cortical granules

... and Björn Malmqvist The Biology of Mangroves Peter F Hogarth The Biology of Soft Shores and Estuaries Colin Little The Biology of the Deep Ocean Peter Herring The Biology of Lakes and Ponds, ... habitat The Biology of Rocky Shores Colin Little and F A Kitching The Biology of Polar Habitats G E Fogg The Biology of Lakes and Ponds Christer Brönmark and Lars-Anders Hansson The Biology of Streams ... Glacier Bay, on the coast of southeast Alaska, is one of the 12 THE BIOLOGY OF SOIL best known places for research on soil and ecosystem development because of the continuous retreat of the glaciers...

Ngày tải lên: 29/03/2014, 17:20

... race against the media and surely also against other people The future of the adapted mind is the creation of artificial people 401 XIII THE FUTURE OF THE ADAPTED MIND A feature of the adapted ... other societies, and the mere success of the industry is a reflection of the immense strength of the relevant psychological adaptations and mate preferences The strong beliefs among women in the ... number of faces in the brain derives the norm The second hypothesis is the ‘density alone hypothesis’, where the Gestalt is a pointby-point representation in a multidimensional space Darwinian aesthetics...

Ngày tải lên: 30/03/2014, 16:20

... The larval development of the prawns Macrobrachium equidens and Macrobrachium sp (Decapoda : Palaemonidae), reared in the laboratory Journal of Zoology Proceedings of the Zoological Society of ... der Wissenschaften Mathematisch-Naturwissenschaftliche Classe Wien 45: 389426 Holthuis, L B (1950) The Decapoda of the Siboga Expedition Part 10 The Palaemonidae collected by the Siboga and Snellius ... Decapoda) from the Xishuangbanna region of Yunnan province, southern China Hydrobiologia, 400: – 41 Cai, Y & P K L Ng (2001) The freshwater decapod crustaceans of Halmahera, Indonesia Journal of Crustacean...

Ngày tải lên: 02/04/2014, 09:20

... eight to eighty five and yet the favorite of each age group, N7, had a waist to hip ratio of or 70% So here is the definition of beauty as portrayed by the article The ideal man should be above ... psychologist at the University of Texas studying the attractive traits of the female figure His survey on attractive female figures gives an outlook on what men find most attractive According to the results ... waist-hip ratio of or 90% The ideal woman, on the other hand, should have large eyes, a small jaw, chin, and nose, full lips, firm, symmetrical breasts, unblemished skin, and a waist-hip ratio of or 70%...

Ngày tải lên: 02/04/2014, 17:59

... in the development of his own ideas In the preface to the French edition of his book The Wisdom of the Body, Cannon acknowledged that its main tenet, that the stability of the inner medium of the ... mammals, the great cetaceans, so spectacularly adapted for life in the sea, are confined to the surface layers of the ocean The crushing pressure of the seawater, the cold, and the darkness make the ... but if both occur the probability of death is (set at) 1.0 (certainty) Therefore, the overall risk of death is the sum of the three products, or 2.1 in 100,000 The bottom part of the diagram shows...

Ngày tải lên: 11/06/2014, 10:45

... materials along the inside of their axons, or the blood supply that nourishes them from the outside The loss of vision results from the death of these nerve cells The hardness of the eye to touch ... interface of the cornea (the clear front surface of the eye), than at the fluid– tissue–fluid interface of the lens Thus, two‐third of the focusing of light is done by the cornea and only one‐third by the ... glaucoma, the pressure increase in the aqueous humor in the front of the eye is transmitted to the back of the eye Although the pressure increase is caused by events in the front of the eye, the damage...

Ngày tải lên: 27/06/2014, 10:20

... rarity of iGb3 and the dominance of the regioisomer Gb3 Furthermore, other than the enzymatic pathways of synthesis and degradation, little is known about the general biology of iGb3, its subcellular ... Although their precise distribution within the lymphoid organs is still unknown, they reside within the liver sinusoids, which they appear to patrol Their expression of CXCR6 matches the expression of ... reports over the past 10 years, more than 300 of which were published in the past year alone We attempt to organize a critical understanding of the general biology of NKT cells, mainly of the predominant...

Ngày tải lên: 10/08/2014, 03:20

... membrane of the cell walls of Sphingomonas and Escherichia coli The inner leaflet of the outer membrane is composed of phospholipids, whereas the outer leaflet is made of LPS for E coli In the case of ... follow the same pre-Tα path as mainstream T cells (120, 134) Therefore, the question arises whether the biased usage of Vβ8, Vβ7, and Vβ2 in mouse (and Vβ11 in human) is due to the inability of the ... cells to synthetic iGb3 (26) The other reason is that the developing NKT cell precursors interact with cortical DP thymocytes rather than with epithelial cells, implying that homotypic rather than...

Ngày tải lên: 10/08/2014, 03:20

... complicating the task of drawing a clear picture of the involvement of NKT cells in noninfectious diseases Type I diabetes The relative deficiency of NKT cells in NOD mice (36, 37), combined with the notion ... explained by the reduced frequency of isletspecific T cells and the general Th2 bias of these mice (219) Likewise, the suppression of diabetes by αGalCer multi-injection regimens could be the mere ... February 2007 12:20 of the most physiologically relevant ligands and the structural basis of their recognition by the semi-invariant TCRs These solid advances in fundamental biology should help...

Ngày tải lên: 10/08/2014, 03:20

... expression of cathepsin L is essential for NKT cell development Nat Immunol 3:1069–74 113 Makino Y, Kanno R, Koseki H, Taniguchi M 1996 Development of Vα4+ NK T cells in the early stages of embryogenesis ... not thymic epithelial cells can mediate negative selection of NKT cells J Exp Med 197:907–18 137 Xu H, Chun T, Colmone A, Nguyen H, Wang CR 2003 Expression of CD1d under the control of a MHC class ... during the development of Vα14i NKT cells Blood 107:2797–805 163 Atherly LO, Lucas JA, Felices M, Yin CC, Reiner SL, Berg LJ 2006 The Tec family tyrosine kinases Itk and Rlk regulate the development...

Ngày tải lên: 10/08/2014, 03:20

... state of knowledge of the sensory biology of vision, hearing, and olfaction in sea turtles 3.2 VISION 3.2.1 MORPHOLOGY AND ANATOMY OF THE EYE 3.2.1.1 Main Structures of the Eye The anatomy of the ... organization of the main features of the retina as well as the spatial variation of the photoreceptor cells of large juvenile loggerhead sea turtles (C caretta) On the basis of the properties of the neural ... past the round window, back to the lateral side of the stapes (the direction of the fluid is reversed with an outward movement of the stapes) A limitation of this circular fluid motion is the added...

Ngày tải lên: 12/08/2014, 05:21

... regulating the timing of reproductive cycles These shortfalls in our understanding of sea turtle biology most probably reflect logistic difficulties in (1) the capture and study of turtles outside of the ... to the series of anatomical and physiological events that lead to the production of male and female gametes, fertilization, and production of offspring In adults of both sexes, the process of ... successfully incubate sea turtle eggs, and (3) the suitability of the beach to allow efficient offshore dispersal of the hatchlings © 2003 CRC Press LLC 152 The Biology of Sea Turtles, Vol II Some equatorial...

Ngày tải lên: 12/08/2014, 05:21

... turtles hatch to dig their way to the surface, an energy-intensive effort that often exceeds the gas diffusion capacity of the environment as well as the aerobic capacity of the hatchlings such ... increasing the likelihood of predation (Stancyk, 1982; Witherington and Salmon, 1992) (Of course, resting at the sand surface also increases the likelihood of predation.) Crawling from the nest to the ... whereas the Indian River Lagoon appears to be the northernmost limit of the green turtles’ winter range Leatherback turtles nest on tropical beaches, but are seen as far north as the waters off Newfoundland,...

Ngày tải lên: 12/08/2014, 05:21

... throughout most of its range, with the exception of the eastern Pacific and the northern Indian Ocean The olive ridley is highly migratory and spends most of its nonbreeding life cycle in the oceanic ... turtles, and these patterns are best understood in the context of the locations and sizes of their foraging areas The first pattern is exhibited by leatherbacks and east Pacific olive ridleys These turtles ... satellite telemetry and other electronic technologies for the study of marine turtles, with reference to the first year long tracking of leatherback sea turtles, in Proceedings of the Seventeenth Annual...

Ngày tải lên: 12/08/2014, 05:21

... of the activities of buccaneers in America, described turtles that “resort in huge multitudes at certain seasons of the year, there to lay their eggs” on the Isle of Savona off the coast of Hispaniola, ... summarized the current state of our knowledge of the ecological roles of loggerheads (Caretta caretta) Although our understanding of the ecological role of the loggerhead is extremely limited, it is the ... returned to the ocean in the form of hatchlings (Bouchard © 2003 CRC Press LLC 262 The Biology of Sea Turtles, Vol II and Bjorndal, 2000) Loggerheads can modify the physical structure of their habitat...

Ngày tải lên: 12/08/2014, 05:21

... 2002) The role of turtles © 2003 CRC Press LLC 314 The Biology of Sea Turtles, Vol II in the culture of Tortuguero continues to evolve with the growth of ecotourism (see Section 12.2.3.1) In the ... precedence over the cultural and economic values of turtles to Limon fishermen 12.2.1.1.3 Mexico The Seri (or Comcaac) of the Sonoran coast and islands of the Gulf of California are “one of the last ... The Biology of Sea Turtles, Vol II recognize their own emotional response to sea turtles; they see their views as informed by science and value-free, whereas they characterize the views of others,...

Ngày tải lên: 12/08/2014, 05:21

... program of a nation is comparable to that of the U.S is their TED design Currently there are two sets of regulations in the U.S The required minimum size of the TED opening differs in the Gulf of ... manage the shrimp fishery in the Gulf of Mexico) require TEDs to prevent the continued drowning of sea turtles in shrimp trawls (Center * Much of the discussion on the implementation of TEDs in the ... 340 The Biology of Sea Turtles, Vol II In 1988, the U.S Congress mandated a study of the causes and significance of turtle mortality in the coastal waters of the country A study...

Ngày tải lên: 12/08/2014, 05:21

... number of turtles The answer to the first question will depend on what we think we need the turtles for; the answer to the second is beyond the scope of the present volume © 2003 CRC Press LLC 374 The ... ecological value from the effects of the phenomena themselves For instance, the massive arribadas of the olive ridley (Cornelius, 1986) and the formerly massive arribadas of the Kemp’s ridley (Carr, 1967) ... problem with the welfare of community and global resources was termed by Hardin (1968) as the “tragedy of the commons.” The tragedy lies in the failure of individuals to act in the public’s interest...

Ngày tải lên: 12/08/2014, 05:21

... test results The proportion that tested negative is false negative The more sensitive the test, the fewer false negatives will result The specificity of the test measures the ability of the test to ... either of these values is less than 100%, the predictive value of the test (i.e., how much confidence can be placed in the result being true) will vary, depending on the true prevalence of the ... Diagnoses List The next step involves the development of a list of alternative possible causes for each of the problems identified In many cases, the cause of the problem may not be obvious, and there...

Ngày tải lên: 12/08/2014, 05:21

... does not arise The amount of feed is increased or decreased from the formula amount on the basis of the appearance and activity of the turtles Treatment of bloated turtles is still in the experimental ... the NMFS STF feeding formula on the basis of the average weight of the 1995–2000 year class of Kemp’s ridley sea turtles © 2003 CRC Press LLC 424 The Biology of Sea Turtles, Vol II body weight ... isolate the cause of fighting Thermal stratification and temperature inversions in the pens can force the turtles into a single plane of water, crowding the turtles at the surface or on the bottom...

Ngày tải lên: 12/08/2014, 05:21