What Is Neurotransmitter? Neurotransmitter is a chemical that is released from a nerve cell which thereby transmits an impulse from a nerve cell to another nerve‚ muscle‚ organ or other tissue. (Webster new world medicine dictionary. http://www.medterms.com/script/main/art.asp?articlekey=9973) What are Hormones? Hormones are chemicals that carry messages from organs of your body to your cells. The glands that secrete hormones are part of the endocrine system (pituitary‚ thyroid‚ adrenals
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The missense mutation on the FBN1 gene producing the fibrillin-1 protein decreases the amount produced available for function with other proteins (Defective Secretion)‚ facilitating deficient connective tissue formation. Fibrillin-1 normally binds to calcium molecules in order to form microfibrils in the extacellular matrix (Defective Secretion). Due to this‚ the normal arrangement of a non-mutated fibrillin-1 glycoprotein is composed of several calcium-binding epidermal growth factor (cbEFG) domains
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[pic] ASSIGNMENT GUIDELINES |Theme and Unit title: Human Biology |Student Name: | |Unit 1 - Cells and Tissues | | |Title of assignment: Assignment 1: Short answer question paper- in class/open book examination.
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underneath the skin. This heat then lessens the cooling effect. The hypothalamus performs very active function in this regard as the sympathetic responses are produced as a result of cold receptors activation. These responses are as follows: Epinephrine Secretion occurs from the adrenal medulla. This Epinephrine hormone produces heat and reduces the sensations of cold in the body. Nor-epinephrine Release takes place in such situation. This hormone is released from the sympathetic fibers and it causes the
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Handout Master 2.1 Mapping the Brain Draw a Brain ( or Download if you want) Label the diagram of the brain to show or answer the following questions. 1. Is this a drawing of the left side or the right side of the brain? What are the particular functions of that side of the brain as compared to the other hemisphere? Right side of the brain Left side functions: considered to be adept at task Right side functions: best at expressive that involve logic‚ language and analytical thinking
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Endocrine System: Biochemistry‚ Secretion and Transport of Hormones 1. Place the following hormones into one of the three categories of hormones (peptides‚ amines or steroids): T4 (thyroxin)‚ estradiol‚ norepinephrine‚ insulin‚ aldosterone‚ glucagon‚ cortisol‚ growth hormone‚ T3 (triiodothyronine)‚ epinephrine‚ testosterone and vasopressin (ADH). |Peptides |Amines |Steroids | |Insulin
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Abstract Objective: Ayurveda has recommended Asparagus racemosus to increase the milk secretion in animal and human being. The present study was designed to test the galactagogue property of Shatavari (Asparagus racemosus Willd.) in milking cattle. Methodology: Indigenous cows‚ on farm level‚ kept on feeding supplemented with powdered root of Shatavari (Asparagus racemosus Willd.). A group of cows were taken as control and rest of the animals were exposed to different quantities of Shatavari to
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controls its secretion. c. the vascular system is considered a portal system 3. adenohypophyseal hormones a. six of them are AA based‚ thus use the cyclic AMP 2nd messenger system b. many are tropic hormones: cause other endocrine glands to secrete their hormones (ex. TSH‚ ACTH‚ FSH‚ and LH) c. learn the following 7 facts for each hormone: 1. who secretes it? 2. what is the stimulus that causes it to be secreted? 3. what is the stimulus that inhibits its secretion? 4. AA or steroidal
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The thyroid gland • • • • • anatomic considerations Formation and secretion of thyroid hormones Transport and metabolism of thyroid hormones Effects of thyroid hormones Regulation of thyroid secretion introduction: the thyroid gland • The thyroid gland maintains the level of metabolism in the tissues that is optimal for their normal function. • Thyroid hormones stimulate the O2 consumption of most of the cells in the body • Thyroid hormones help regulate lipid and carbohydrate metabolism • Thyroid
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disorders - Hyper secretion causes Giantism in children and Acromegaly in Adults Hypo secretion - Dwarfism in children and Simmonds Disease in Adults PRL - Prolactin 1. Produce by Anterior Pituitary Gland 2. Target of PRL is mammary gland 3. Effects of PRL is to produce and secrete milk 4. Regulation of PRL is hormonal 5. PRL is a polypeptide 6. PRL is water soluble 7. PRL activates by cyclic amp second messenger systems at their targets 8. Endocrine disorders - Hyper secretion causes Inappropriate
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