| 单词 | germ layer |
| 例句 | At this point gastrulation begins and the so-called germ layers form. Career choice in stem cells: Predetermined or self-selected? 2023-09-19T04:00:00Z In protostomy, solid groups of cells split from the endoderm or inner germ layer to form a central mesodermal layer of cells. Fundamentals of Biology 2015-01-01T00:00:00Z The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, during which the three germ layers form. Concepts of Biology 2013-04-25T00:00:00Z Each of these layers is called a germ layer and each germ layer differentiates into different organ systems. Biology for AP Courses 2022-06-09T00:00:00Z Embryonic animal cells differentiate into three germ layers—endoderm, mesoderm, and ectoderm—each developing into different organs and systems. Miller & Levine Biology 2018-01-01T00:00:00Z Sixteen days after fertilization, the developing embryo’s cells belong to one of three germ layers that give rise to the different tissues in the body. Anatomy and Physiology 2013-06-19T00:00:00Z Recall that these germ layers are formed during gastrulation, and that they are predetermined to develop into the animal’s specialized tissues and organs. Fundamentals of Biology 2015-01-01T00:00:00Z Organs develop from the germ layers through the process of differentiation. Concepts of Biology 2013-04-25T00:00:00Z The formation of organs from embryonic germ layers results from the expression of specific sets of genes that determine cell type. Biology for AP Courses 2022-06-09T00:00:00Z For instance, the work called into question whether sharing a germ layer would always ease direct reprogramming between cell types. A decade of questions about the fluidity of cell identity 2020-02-23T05:00:00Z These cells are genetically reprogrammed multipotent adult cells that function like embryonic stem cells; they are capable of generating cells characteristic of all three germ layers. Anatomy and Physiology 2013-06-19T00:00:00Z Right illustration shows the three embryonic germ layers of a triploblast. Fundamentals of Biology 2015-01-01T00:00:00Z A true coelom arises entirely within the mesoderm germ layer. Concepts of Biology 2013-04-25T00:00:00Z The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, in which the three germ layers form. Biology for AP Courses 2022-06-09T00:00:00Z In vitro, a wealth of other conversions was documented8, but all involved either reversion to an embryonic state9 or transformation into another cell type from within the same ‘germ layer’. A decade of questions about the fluidity of cell identity 2020-02-23T05:00:00Z All cells and tissues in the body derive from three germ layers in the embryo: the ectoderm, mesoderm, and endoderm. Anatomy and Physiology 2013-06-19T00:00:00Z After fertilization, a series of developmental stages occur during which primary germ layers are established and reorganize to form an embryo. Fundamentals of Biology 2015-01-01T00:00:00Z Flatworms have three embryonic germ layers that give rise to surfaces covering tissues, internal tissues, and the lining of the digestive system. Concepts of Biology 2013-04-25T00:00:00Z Each germ layer gives rise to specific tissue types. Biology for AP Courses 2022-06-09T00:00:00Z It was assumed that cells could be converted only to other cell types from the same germ layer, owing to their closely related developmental origins. A decade of questions about the fluidity of cell identity 2020-02-23T05:00:00Z They originate in the mesodermal germ layer and differentiate from mesenchyme and hematopoietic tissue in the bone marrow. Anatomy and Physiology 2013-06-19T00:00:00Z The left illustration shows the two embryonic germ layers of a diploblast. Fundamentals of Biology 2015-01-01T00:00:00Z Using the following terms, explain what classifications and groups humans fall into, from the most general to the most specific: symmetry, germ layers, coelom, embryological development. Concepts of Biology 2013-04-25T00:00:00Z The endoderm, mesoderm, and ectoderm are germ layers. Biology for AP Courses 2022-06-09T00:00:00Z In gastrulation, the epiblast differentiates into the three germ layers of cells — the ectoderm, mesoderm and endoderm — that will form the fetus. Human embryo implantation modelled in microfluidic channels 2019-09-10T04:00:00Z As explained in a later chapter, each of these lineages of embryonic cells forms the distinct germ layers from which all the tissues and organs of the human body eventually form. Anatomy and Physiology 2013-06-19T00:00:00Z Each of the three germ layers is programmed to give rise to particular body tissues and organs. Fundamentals of Biology 2015-01-01T00:00:00Z Animals with three germ layers, called triploblasts, are further characterized by the presence or absence of an internal body cavity called a coelom. Concepts of Biology 2013-04-25T00:00:00Z After the blastula is formed, where do the embryonic stem cells and germ layers originate? Biology for AP Courses 2022-06-09T00:00:00Z Symmetry breaking, germ layer specification and axial organisation in aggregates of mouse embryonic stem cells. Blastocyst-like structures generated solely from stem cells 2018-05-01T04:00:00Z Figure 4.3 shows the types of tissues and organs associated with the each of the three germ layers. Anatomy and Physiology 2013-06-19T00:00:00Z The mesoderm is the third germ layer; it forms between the endoderm and ectoderm in triploblasts. Fundamentals of Biology 2015-01-01T00:00:00Z Each of the layers of cells is called a germ layer and will differentiate into different organ systems. Concepts of Biology 2013-04-25T00:00:00Z The inner cell mass contains embryonic stem cells, which arrange themselves into the three germ layers. Biology for AP Courses 2022-06-09T00:00:00Z It would be more revealing, he adds, to track later developmental events, such as the formation of the three germ layers that give rise to different organs, because these events are less governed by luck. The trickiest family tree in biology 2017-07-04T04:00:00Z The endocrine system arises from all three embryonic germ layers. Anatomy and Physiology 2013-06-19T00:00:00Z Animals belonging to superphylum Lophotrochozoa are protostomes, in which the blastopore, or the point of involution of the ectoderm or outer germ layer, becomes the mouth opening to the alimentary canal. Fundamentals of Biology 2015-01-01T00:00:00Z The three germ layers are the endoderm, the ectoderm, and the mesoderm. Concepts of Biology 2013-04-25T00:00:00Z The trophoblast in the blastula contains embryonic stem cells, which arrange themselves into three germ layers. Biology for AP Courses 2022-06-09T00:00:00Z However, such late mutations are rarely shared with the breast cancer sample from the same individual because the vast majority of them occurred after formation of the three germ layers, specifically in the mesodermal lineage. Somatic mutations reveal asymmetric cellular dynamics in the early human embryo : Nature : Nature Research 2017-03-21T04:00:00Z Mesoderm is one of the three primary germ layers that differentiates early in development that collectively gives rise to all subsequent tissues and organs. Anatomy and Physiology 2013-06-19T00:00:00Z A true coelom arises entirely within the mesoderm germ layer and is lined by an epithelial membrane. Fundamentals of Biology 2015-01-01T00:00:00Z Cells in each germ layer differentiate into tissues and embryonic organs. Concepts of Biology 2013-04-25T00:00:00Z The embryonic stem cells and germ layers originate from the blastocoel present inside the blastula. Biology for AP Courses 2022-06-09T00:00:00Z The embryonic cells develop into three types, called germ layers. A New Form of Stem-Cell Engineering Raises Ethical Questions 2017-03-21T04:00:00Z The two structures of the adrenal glands arise from two different germ layers: the adrenal cortex from the mesoderm and the adrenal medulla from ectoderm neural cells. Anatomy and Physiology 2013-06-19T00:00:00Z Similarly, as noted above, regulators of super-enhancers in the germ layers also associate with these regions already in the pluripotent state. Transcription factor binding dynamics during human ES cell differentiation : Nature : Nature Publishing Group 2015-02-17T05:00:00Z Distinct germ layers and ultimately the stereotypic body form result, with amazing robustness. [Introduction to Special Issue] Introduction: Getting into Shape 2013-06-06T17:55:41.127Z Once in the mouse, pluripotent cells will form a teratoma, a clump of cells containing all three germ layers. Stem Cells: Flexible friends 2012-02-29T18:21:27.080Z Each of those germ layers goes on to produce all the body’s tissues and organs. A New Form of Stem-Cell Engineering Raises Ethical Questions 2017-03-21T04:00:00Z In general, different hormone classes arise from distinct germ layers. Anatomy and Physiology 2013-06-19T00:00:00Z Similarly, as noted above, regulators of super-enhancers in the germ layers also associate with these regions already in the pluripotent state. Transcription factor binding dynamics during human ES cell differentiation : Nature : Nature Publishing Group 2015-02-17T05:00:00Z Despite their extra chromosomes, the cells expressed genes typical of pluripotent cells, and they were able to form tissues from all three embryonic germ layers—a basic test of pluripotency. An Egg-Citing Recipe for Human Stem Cells 2011-10-05T18:00:00Z During embryonic development, all the body's organs and tissues develop from one of the three germ layers: endoderm, mesoderm and ectoderm. Stem Cells: Flexible friends 2012-02-29T18:21:27.080Z Why should these have received special names?Name the three primitive germ layers. A Guide for the Study of Animals 2011-01-18T03:00:14.913Z The endocrine system originates from all three germ layers of the embryo, including the endoderm, ectoderm, and mesoderm. Anatomy and Physiology 2013-06-19T00:00:00Z Here we report the integrative analysis of genome-wide binding data for 38 transcription factors with extensive epigenome and transcriptional data across the differentiation of human embryonic stem cells to the three germ layers. Transcription factor binding dynamics during human ES cell differentiation : Nature : Nature Publishing Group 2015-02-17T05:00:00Z Grains consist of three layers: the fiber- and nutrient-containing bran and germ layers and the starchy kernel layer. More bran tied to longer life in diabetic women 2010-05-18T17:19:00Z This treatment causes them to start differentiating into cells of the three germ layers. Stem Cells: Flexible friends 2012-02-29T18:21:27.080Z Entoderm: the innermost germ layer of the embryo, from which are derived the epithelium of the alimentary canal and accessory structures: = endoderm and hypoblast. Explanation of Terms Used in Entomology Each of these germ layers will develop into specific structures in the embryo. Anatomy and Physiology 2013-06-19T00:00:00Z E, M, H outer, middle, and inner germ layer of the embryonic shield, which is figured in median longitudinal section, seen from the left. am amnion. The Evolution of Man — Volume 1 Mesoblast: the middles germ layer of the embryos: = mesoderm. Explanation of Terms Used in Entomology |
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