Anatomical Studies During Floral Induction, Evocation and Initiation in Eucharis Grandiflora, Planch., The Amazon Lily

Several questions were posed at this point which led to the hypotheses to be tested in this investigation. The experimental design was divided into 3 phases. For a detailed description of the design, see Appendix A. Phase I of this study involved a comparative study of the anatomy of the apices of plants of Eucharis grandflora, the Amazon lily, exposed to heat (27-29° C) for one, two, three, four or five weeks, in an effort to see if manifestations of floral evocation and/or initiation are in evidence when compared to the control. Since the time from the end of heat to flower was essentially the same at all temperatures (Adams and Urdahl, 1971), a difference in the velocity of evocation (and/or initiation) must occur. Another problem to be addressed in this phase of the study will be whether differences in the velocity of apical change is the same whether heated for one, two, three, four or five weeks. If there is no apparent changes taking place, then how long after heating has stopped must one wait before visible changes in the apical meristem will occur? Phase II will be concerned with floral morphogenesis of three-week heated plants. The question to be answered here will be: What was the developmental sequence of the thermoinduced apex through the life cycle when bulbs are heated for three weeks at 29° C and then returned to 18° C? Phase II will also compare developmental stages of two-, three- and five-week heated plants. Phase III will correlate Phase II development with the development of the first lateral, which will become the next floral axis (the next bulb). This will be collected through the twenty-third week (160 days) or up until the bulb is ready to start the next reproductive cycle. These questions present themselves for consideration. In the developmental sequence of the new terminal growing point: When is the new apex visible? When does it begin to function? When does it initiate new leaf primordia? What is the developmental condition six weeks after the last flower has died on the scape? Is it structurally ready to be induced to flower

Leiomyosarcoma of the skin with osteoclast-like giant cells: a case report

<p>Abstract</p> <p>Introduction</p> <p>Osteoclast-like giant cells have been noted in various malignant tumors, such as, carcinomas of pancreas and liver and leiomyosarcomas of non-cutaneous locations, such as, uterus and rectum. We were unable to find any reported case of a leiomyosarcoma of the skin where osteoclast-like giant cells were present in the tumor.</p> <p>Case presentation</p> <p>We report a case of a 59-year-old woman with a cutaneous leiomyosarcoma associated with osteoclast-like giant cells arising from the subcutaneous artery of the leg. The nature of the giant cells is discussed in light of the findings from the immunostaining as well as survey of the literature.</p> <p>Conclusion</p> <p>A rare case of cutaneous leiomyosarcoma with osteoclast-like giant cells is reported. The giant cells in the tumor appear to be reactive histiocytic cells.</p

The role of self-esteem in formation of pathological behavior in older teenagers

The article examines the role of self-esteem as a structure of selfawareness in the formation of clinically significant pathological behavior in older adolescents diagnosed with "Mixed Behavioral Disorders and Emotions" by ICD-10.В статье рассмотрена роль самооценки как структуры самосознания в формировании клинически выраженной патологии поведения у старших подростков c диагнозом «Смешанные расстройства поведения и эмоций» по МКБ-10

Fresnel imager testbeds: setting up, evolution and first images

International audienc

Generation 2 testbed of Fresnel Imager: first results on the sky

International audienc

First high dynamic range and high resolution images of the sky obtained with a diffractive Fresnel array telescope

International audienc