References: Berenbaum‚ S. A. (1999). Effects of early androgens on sex-typed activities and interests in adolescents with congenital adrenal hyperplasia. Hormones and Behavior‚ 1(35)‚ 102-110. Board on Health Sciences Policy‚ C.‚ & Committee on Understanding the Biology of Sex and Gender Differences‚ C. (2001)
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PHOSPHOLIPIDS Along with sterol‚ phospholipids make up 5% of lipids in diet Best know phospholipids is lecithin Has backbone of glycerol 2 of it 3 attachments occupied by fatty acid like those of triglycerides The third space occupied by a phospholipids group and a molecule of choline Soluble in both fats and water Fatty acids make phospholipids soluble in fat Phosphate group allow phospholipids to dissolve in water and this allows the phospholipids used as an Emulsifier to
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Development Sex – sexual anatomy and sexual behaviour Gender – perception of maleness or femaleness related to membership in a given society Week 8 Growing brain The brain grows at a faster rate than any other part of the body. By age 5‚ child’s brain weighs 90% of average adult brain weight‚ whereas total body weight is merely 30%. One reason is due to increase in the number of interconnections among cells. These interconnects allow for more complex communication between neurons‚ permit
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Anatomy of the Female Reproductive System The reproductive role of the female is far more complex than that of a male. Not only must she produce gametes‚ but her body must prepare to nurture a developing embryo for a period of approximately nine months. Ovaries‚ the female gonads‚ are the primary reproductive organs of a female‚ and like the male testes‚ ovaries serve a dual purpose: They produce the female gametes (ova) and sex hormones‚ the estrogens * and progesterone (pro-ges′tĕ-rōn). The
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Animal Biology - Study Guide 2013 Professor: Marty Leonard Room 4060 LSC e-mail: mleonard@dal.ca Below you will find textbook readings and a summary of the lecture material for each of the seven lectures in the Animal Biology unit. I would be pleased if you read through each chapter‚ however‚ I will only test you on the lecture material that corresponds to the sections of the textbook that I indicate below. You will notice that in some of the assigned sections there is material that
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Adolescence Introduction * Many levels of change occurring * Individual = undergoes change biologically cognitively and psychologically * Social = * Three phases * Early = ages 11-14; defined by changes of puberty and response to those changes * Middle = ages 15-17; defined by stereotypical time of peer-dominated changes * Late = ages 18-20; defined by more adult like behavior and adaptation to adult lifestyle Anatomy/Physiological Maturation
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hGH - Human Growth Hormone 1. Produced by Anterior Pituitary Gland 2. Targets of hGH are Bone‚ muscle‚ skin‚ adipose tissue and liver 3. Effects of hGH are to promote protein synthesis‚ encourage use of fats for fuel‚ and elevate blood glucose by decreasing uptake and increasing glycogen breakdown 4. Regulation of hGH is hormonal 5. hGH is a protein 6. hGH is water soluble 7. hGH is protein kinase activation 8. Endocrine disorders - Hyper secretion causes Giantism in children and Acromegaly
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Cushing Syndrome Sometimes called hypercortisolism. Cushing s syndrome is a hormonal disorder caused by prolonged exposure of the body s tissues to high levels of the hormone cortisol. Causes Pituitary Adenoma Pituitary adenomas cause 70 percent of Cushing s syndrome cases‚ excluding those caused by glucocorticoid use. These benign‚ or noncancerous‚ tumors of the pituitary gland secrete extra ACTH. Most people with the disorder have a single adenoma. Ectopic ACTH Syndrome Some benign
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The endocrine system The endocrine system is a collection of ductless glands which are positioned through the whole body. The endocrine glands pass their secretions of hormones directly into the blood stream so that they are always adjacent to blood vessels. Hormones are chemicals in the body produced and secreted in the body that regulate the function of a particular tissue or organ (Bing dictionary). These chemical messengers transfer information from one set of cells to another. Despite many
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Theories of Motivation 1. Instinct Theory The assumption of the theory is that there is an innate biological force causing an organism to act in a certain way. These “forces” are perceived to be automatic‚ involuntary‚ and unlearned behavior patterns or reflexive behaviors that are elicited when certain stimuli are present. 2. Homeostatic Theories The assumptions of the homeostatic theory are that organisms attempt to maintain homeostasis‚ the balance of physiological state or equilibrium
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