biology

Hematopoietic

J.D. is a 37 years old white woman who presents to her gynecologist complaining of a 2-month history of intermenstrual bleeding, menorrhagia, increased urinary frequency, mild incontinence, extreme fatigue, and weakness. Her menstrual period occurs every 28 days and lately there have been 6 days of heavy flow and cramping. She denies abdominal distension, back-ache, …

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Cardiovascular

Mr. W.G. is a 53-year-old white man who began to experience chest discomfort while playing tennis with a friend. At first, he attributed his discomfort to the heat and having had a large breakfast. Gradually, however, discomfort intensified to a crushing sensation in the sternal area and the pain seemed to spread upward into his …

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Embryonic Development

      Step 1: In a one to two-page paper, give an overview of the embryonic stage of development. Describe the ectoderm, mesoderm, and endoderm and their associated structures. Discuss the structure and function of the embryonic disk. Describe embryo development and the role of chorionic villi. Include any environmental factors that may cause …

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