BASIC CONCEPTS ENDOCRINE SYSTEM :- In physiology‚ the endocrine system is a system of glands‚ each of which secretes a type of hormone into the bloodstream to regulate the body. It derives from the Greek words endo meaning inside‚ within‚ and crinis for secrete. The endocrine system is an information signal system like the nervous system. Hormones are substances (chemical mediators) released from endocrine tissue into the bloodstream that attach to target tissue and allow communication among
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AN INSIGHT INTO THE WORLD OF CHANDIGARH The City Beautiful Chandigarh is a city and union territory in India that serves as the capital of two states‚ Punjab and Haryana . It is also referred to as The City Beautiful due to its beautiful surroundings‚ central grid of gardens‚ each dedicated to different species of flora. The city of Chandigarh was the first planned city in India and is known internationally for its architecture and urban design. The city has projects designed by architects
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Chromatography Experiment of the Drosophila Eye Pigmentation Pathway Introduction: How can the use of chromatography help explain single gene mutations of the drosophila melanogaster bio-synthetic pigment pathway? This experiment was meant to help connect the mode of inheritance with different eye color mutations and pinpoint where they occur in the pigment pathway. The drosophila eye color is a result of two bio-synthetic eye color pathways‚ this is expressed as a trait or phenotype‚ a multigene
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Phase 1: Discussion Board: A View of the Thyroid Gland‚ the Functions of‚ and the Thyroid Hormone Phase 1: Discussion Board Connie Ann Crandell Bio142-0903A-04 Anatomy and Physiology ll Instructor: Denise Albina When observing the thyroid gland from an anatomical standpoint‚ the thyroid is located in the anterior portion of the neck and seemingly shaped similar to that of a butterfly (VH Dissector‚ 2009)the thyroid is just inferior to the larynx‚ but close to the trachea. There are
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Taste discrimination in young and old Drosophila melanogaster Introduction The ability to discriminate taste is critical for the survival and nutrition of an organism (Sellier et al.‚ 2010‚ Gordesky-Gold et al.‚ 2008). Many animals rely on their taste organs to detect and discriminate various types of taste such as sweet or bitter (Weiss et al.‚ 2011). When these organs come in contact with a food source‚ signals are sent to taste receptor cells. The activation of certain taste receptor cells by
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Iodine is an element that is critical for normal function of the thyroid gland‚ which is a key regulator of the body’s basic metabolic rate. Iodine is a micronutrient‚ meaning we require only small amounts of it. For example‚ adults need about 150 micrograms of iodine in the form of iodide ion per day. However‚ an insufficient supply of iodide via diet and drinking water causes the non-cancerous enlargement of the thyroid gland known as goiter. Prolonged lack of iodide can lead to loss of thyroid function
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PARATHYROID GLANDS Parathyroid glands are small glands of the endocrine system which are located in the neck behind the thyroid. There are 4 parathyroid glands in the human body. Parathyroid glands control the calcium in our bodies – how much calcium is in our bones‚ and how much calcium is in our blood. Parathyroid glands secrete or make a hormone‚ called parathyroid hormone or PTH. The parathyroid glands measure the amount of calcium in the blood every minute of every day and if the calcium
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the adrenal medulla‚ which is in the inner adrenal gland. This gland sits atop the kidney. When put under stress this gland is stimulated by the nervous system and releases adrenaline into the blood stream. The release of adrenaline is a three step process. First‚ the hypothalamus produces hormones that stimulate the pituitary gland. Next‚ the pituitary gland then produces corticotropin hormones which are hormones that stimulate the adrenal glands that eventually produce adrenaline. In 1895
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Enzymatic Activity of Salivary Amylase Abstract: Salivary amylase is an enzyme that can digest starch molecules and break them down to sugar molecules. In this experiment‚ the enzymatic activity and specificity of salivary amylase was examined depending on the changes in pH and temperature. In the first part of the experiment‚ the effect of temperature was determined‚ using constant temperature bath (4‚ room temp‚ 37‚ 50‚ 60‚ and 70°C). Having the room temp and 50°C as the highest and 37°C as infinite
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Pituitary: The Master Gland 1. pituitary gland (hypophysis): produces 8 major hormones a. two lobes 1. anterior lobe (adenohypophysis): glandular tissue 2. posterior lobe (neurohypophysis): nervous tissue and is a direct extension of the hypothalamus b. connected to hypothalamus via the infundibulum 2. pituitary-hypothalamus relationships a. vascular connection between the anterior lobe and the hypothalamus b. the hypo. makes releasing/inhibitory hormones (RH/IH) that enter
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