Results 261 to 270 of about 78,942 (313)
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Child Psychiatry and Human Development, 1976
It has been previously hypothesized that hyperactivity may be one childhood form of manic-depressive disorder. The authors contend that it is unlikely that hyperactivity in general is a childhood form of manic-depressive disorder. However, included in those considered to be hyperactive may be youngsters exhibiting an embryonic form of mania.
R J, Thompson, F H, Schindler
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It has been previously hypothesized that hyperactivity may be one childhood form of manic-depressive disorder. The authors contend that it is unlikely that hyperactivity in general is a childhood form of manic-depressive disorder. However, included in those considered to be hyperactive may be youngsters exhibiting an embryonic form of mania.
R J, Thompson, F H, Schindler
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Mechanisms of Development, 1993
The current understanding of the mechanism of embryonic induction is reviewed. The embryological data which are necessary to establish the existence of an inductive process are described and the criteria for the identification of inducing factors are discussed.
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The current understanding of the mechanism of embryonic induction is reviewed. The embryological data which are necessary to establish the existence of an inductive process are described and the criteria for the identification of inducing factors are discussed.
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Decoding the ‘embryonic’ nature of embryonal rhabdomyosarcoma
Journal of Developmental Origins of Health and Disease, 2015Embryonal rhabdomyosarcoma is one of the major defined histologic variants of rhabdomyosarcoma that is mainly reported in children. The histologic appearance of this neoplastic entity recapitulates normal myogenesis. The tumor cells variably exhibit the different cellular phases of myogenesis ranging from undifferentiated mesenchymal cells to elongated
R. Lav, R. Heera, L. M. Cherian
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Annals of the New York Academy of Sciences, 2006
Abstract: We have characterized two signaling pathways that induce heart tissue during embryonic development. The first is initiated by the Wnt antagonist Dickkopf1 (Dkk1) and involves the homeodomain transcription factor Hex. Other Wnt antagonists are less effective and the potency of Dkk1 might be due to synergy between Wnt antagonizing and another,
Ann C, Foley +4 more
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Abstract: We have characterized two signaling pathways that induce heart tissue during embryonic development. The first is initiated by the Wnt antagonist Dickkopf1 (Dkk1) and involves the homeodomain transcription factor Hex. Other Wnt antagonists are less effective and the potency of Dkk1 might be due to synergy between Wnt antagonizing and another,
Ann C, Foley +4 more
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Clinical Obstetrics and Gynecology, 1975
Inductive interactions between tissue components in proximity constitute a universal guiding principle for synchronized development during embryogenesis. Such sequential morphogenetic events involve both specific, determinative "instructions" and less specific, supporting or "permissive" influences acting upon predetermined target cells.
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Inductive interactions between tissue components in proximity constitute a universal guiding principle for synchronized development during embryogenesis. Such sequential morphogenetic events involve both specific, determinative "instructions" and less specific, supporting or "permissive" influences acting upon predetermined target cells.
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Trends in Genetics, 1995
The hematopoietic system of vertebrates is derived from the mesodermal germ layer in early embryogenesis. Various animal models have been used for the study of hematopoiesis, from early stages in the visceral yolk sac or its analog, to the later stages where hematopoiesis is observed in intraembryonic areas surrounding the aorta, genital ridge and pro ...
E, Dzierzak, A, Medvinsky
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The hematopoietic system of vertebrates is derived from the mesodermal germ layer in early embryogenesis. Various animal models have been used for the study of hematopoiesis, from early stages in the visceral yolk sac or its analog, to the later stages where hematopoiesis is observed in intraembryonic areas surrounding the aorta, genital ridge and pro ...
E, Dzierzak, A, Medvinsky
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Stem Cells and Development, 2007
Stem cells are unique cell populations with the ability to choose between self-renewal and differentiation. Embryonic stem (ES) cells have the ability to form any fully differentiated cell of the body. To date, only three species of mammals have yielded long-term cultures of self-renewing ES cells- mice, monkeys, and humans.
Atindriya, Biswas, Robert, Hutchins
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Stem cells are unique cell populations with the ability to choose between self-renewal and differentiation. Embryonic stem (ES) cells have the ability to form any fully differentiated cell of the body. To date, only three species of mammals have yielded long-term cultures of self-renewing ES cells- mice, monkeys, and humans.
Atindriya, Biswas, Robert, Hutchins
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The Cancer Journal, 2014
Embryonal brain tumors are a heterogeneous group of neoplasms that primarily occur in infants and young children. They are highly cellular tumors with brisk mitotic activity, and they share a propensity for dissemination throughout the neuroaxis. Emerging molecular data enable improved diagnostic and prognostic discrimination for these tumors.
Susan L, McGovern +2 more
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Embryonal brain tumors are a heterogeneous group of neoplasms that primarily occur in infants and young children. They are highly cellular tumors with brisk mitotic activity, and they share a propensity for dissemination throughout the neuroaxis. Emerging molecular data enable improved diagnostic and prognostic discrimination for these tumors.
Susan L, McGovern +2 more
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Human Reproduction & Genetic Ethics, 2001
(2001). Human Embryonic Cloning. Human Reproduction & Genetic Ethics: Vol. 7, No. 1, pp. 3-7.
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(2001). Human Embryonic Cloning. Human Reproduction & Genetic Ethics: Vol. 7, No. 1, pp. 3-7.
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Endobronchial Embryonal Carcinoma
Journal of Bronchology & Interventional Pulmonology, 2017Malignant tumors can compress or invade the trachea or bronchi leading to varying degrees of airway narrowing. Lung cancer is the most frequent cause of airway occlusion of neoplastic origin1 and also the leading cause of death among all the malignancies in the world.2 However, distant metastatic ...
Alejandra, Moreira-Meyer +5 more
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