The Sperm and Egg Testes are suspended outside the abdominal cavity by the scrotum‚ a pouch of skin that keeps the testes close or far from the body at an optimal temperature for sperm development. Somniferous tubules are inside each testis‚ and are where sperm are produced by meiosis. About 250 meters (850 feet) of tubules are packed into each testis. Spermatocytes inside the tubules divide by meiosis to produce spermatids that in turn develop into mature sperm. Sperm production
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administered in a very low dosage which is far below any that are toxic. Its medical actions are due to the following pharmacological properties: a. It antagonizes the action of histamine on the plain muscles of the bronchioles‚ intestine and bladder‚ b. It antagonizes both vasodilator and vasoconstrictor actions of histamine on the blood vessels‚ c. It prevents the dilatation and increased permeability produced by histamine on the capillaries and reduces the wheal caused by intradermal
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Study Guide for Exam 1 * What are the risk factors for uterine atony? Loss of uterine tone Overdistention of the uterus (multiple gestation‚ polyhydramnios‚ macrosomia‚ fibroid tumors‚ distention with clots)‚ bladder distention‚ grand multiparity‚ uterine trauma (forceps vacuum‚ c-section‚ cervical biopsy)‚ bottle feeding‚ length of labor (precipitous or prolonged)‚ Hx of PPH‚ medications (anesthesia‚ recent tocolysis‚ magnesium sulfate‚ induction greater than 15 hours)‚ abruptio placenta
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the roots‚ just the nutrient solution. The three main types of solution cultures are static solution culture‚ continuous-flow solution culture and aeroponics. The medium culture method has a solid medium for the roots and is named for the type of medium‚ e.g.‚ sand culture‚ gravel culture‚ or rockwool culture. There are two main variations for each medium‚ sub-irrigation and top irrigation. For all techniques‚ most hydroponic reservoirs are now built of plastic‚ but
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System . Digestive Tract (Alimentary Tract) 1. Oral cavity (mouth)5. Small intestine 2. Pharynx6. Large intestine 3. Esophagus7. Rectum 4. Stomach8. Anus (anal canal) . Accessory digestive organs 1. Salivary glands 2. Liver and gall bladder 3. Pancreas Layers or Tunics of the Digestive Tract 1. Mucosa • the innermost tunic consists of mucous epithelium‚ a loose connective tissue called the lamina propria‚ and a thin smooth muscle layer‚ the muscularis mucosae. 2. Submucosa
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that are flattened and cells that are cuboidal; hence the name "transitional". You can find transitional epithelium in the bladder and in the first expansion of the ureters as they leave the kidneys (called a calyx). C. What is the function of the ureter? How does its structure support this function? Covey urine from kidneys to bladder Enter base of bladder through posterior wall Strength and frequency of muscle contractions change with amount of urine present
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Fantastic Voyage Unit 9 Project Anatomy and Physiology II Fantastic Voyage. Once again my mini-sub and I will be miniaturized (8 microns long) and witnessing another ‘Fantastic Voyage’ in a human body. This time I will be swallowed by George‚ a 55 years old man‚ while he is eating his meal consisting of a hamburger‚ French fries and a soda. I will pilot my mini-sub through George’s GI (gastrointestinal tract)‚ which is the tube that starts with the mouth and proceeds to the esophagus‚ stomach
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Cesar Rivera BIO-186-003 Fetal Pig Extra Credit Dissection Exercise 3 1. How do the locations of the endocrine organs in the fetal pig compare with those in the human? They are similar except for the pancreas and the adrenal glands. In the fetal pig‚ the adrenal glands are medial to each kidney and inferior to the pancreas rather than atop to kidneys and superior to the pancreas as in humans. 2. Name two endocrine organs located in the throat region? Thymus gland and thyroid gland. 3. Name
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CROP PRODUCTION AND MANAGEMENT Types of Crops Soil Preparation Sowing Harvesting Fertilisers Insecticides All living organisms require food. Plants can make their food themselves. Animals including humans can not make their own food. The energy from food is utilized by organisms for carrying out their various body functions‚ such as digestion‚ respiration and excretion. We get our food from plants‚ or animals‚ or both. In order to provide food for a large population— regular
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kidneys are directly in link with the bladder through a thin tube. If you do no understand what is kidney
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