the key. Key: a. cutaneous ‚ ‚ ‚ b. mucous c. serous d. synovial 1. membrane type in joints‚ bursae‚ and tendon sheaths 2. epithelium of this membrane is always simple squamous epithelium 3. membrane types not found in the ventral body cavity 4. the only membrane type in which goblet cells are found 5. the dry membrane with keratinizing epithelium 6. “wet” membranes 7. adapted for absorption and secretion 8. has parietal and visceral layers 51 3. Using terms from the key
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Membranes ObservatiOns Draw and describe the structures you observed of the following slides: A. Pseudostratified ciliated columnar epithelium of the trachea B. Stratified squamous epithelium (non-keratinized) of the esophagus C. Simple columnar epithelium (duodenum) of the small intestine QuestiOns A. Compare and contrast the roles of the three mucous membranes
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due to being protected from antibiotics and anti-bacterial drugs. Gram-negative bacteria in biofilms emit vesicles that are abundant in lipopolysaccharides (LPS). The biofilms distribute a steady‚ restorative supply of lipopolysaccharide. When the epithelium pocket appears‚ it has entry to connective tissues and circulation. Substantial interruption and elimination are efficient ways of treating biofilms. For this reason‚ scaling and root planning are crucial in all prosperous forms of periodontal
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Tonsillitis is inflammation of the pharyngeal tonsils. The inflammation usually extends to the adenoid and the lingual tonsils; therefore‚ the term pharyngitis may also be used (1). Tonsillitis most often occurs in children; however‚ the condition rarely occurs in children younger than 2 years. Tonsillitis caused by Streptococcus species typically occurs in children aged 5-15 years‚ while viral tonsillitis is more common in younger children (1). Most cases of bacterial tonsillitis are caused by group
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The causes of disease in humans. Lifestyle 1. BIOL1 : Basis and risk factors of heart disease 2. BIOL1 : Basis of lung disease and lung function Pathogens 3. BIOL1 : Nature of pathogens and infection 4. BIOL1 : Cholera and dehydration 5. BIOL2 : Horizontal gene transfer and antibiotic resistance Genetics 6. BIOL1 : symptoms of lactose intolerance 7. BIOL2 : Formation of non-functional enzymes 8. BIOL5 : Risk factors for cancer‚ the nature of cancer‚ tumours suppressor and proto-oncogenes
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as CO2 levels in blood. Olfaction is the sense of smell. Olfactory sensors are embedded in epithelial tissue at top of nasal cavity (in vertebrates). Axons extend to the olfactory bulb in the brain‚ dendrites end in olfactory hairs on the nasal epithelium. FIGURE 46.3 Olfactory Receptors Communicate Directly with the Brain Odorant—a molecule that binds to an olfactory receptor protein on the cilia of olfactory receptor neurons (ORNs). Olfactory receptor proteins are specific for particular odorants
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Ovarian cancer can develop from the epithelial cells surrounding the ovary‚ the germ cells‚ or stromal cells within it. Epithelial ovarian carcinomas account for 85-90% of ovarian cancers‚ and will be the focus of this essay. Most symptoms of epithelial ovarian cancer are due to the fact that it often spreads to the lining of and organs in the abdominal cavity. These symptoms include bloating‚ pelvic or abdominal pain‚ urinary urgency or frequency‚ and trouble eating associated with feeling of fullness
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plicata along the tips or crests of the ciliary processes‚ since this region has been shown to have a).increased basal and lateral interdigitations‚ mitochondria and rough endoplasmic reticulum in the non-pigmented ciliary epithelium b).more numerous fenestrations in the capillary endothelium c).thinner layer of capillary stroma and d).an increase in all organelles and gap junctions between pigmented and non-pigmented epithelia When Sodium fluroscein is administered systemically
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body are connective‚ epithelium‚ muscle and nervous tissue. Connective tissue is an abundant nonliving extracellular matrix‚ located throughout the human body; such as the head‚ tendons‚ bone‚ and many more. It is the most widespread tissue in the human body and is the most durable tissue type. There are so many functions for this tissue‚ that it is difficult to describe just one. However‚ its main function is to support and protect. (Connective tissue‚ 2013) Epithelium tissue lines the body
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Anatomy of the maxillary sinus: The maxilla consists of a variety of anatomic structures‚ including the maxillary sinus‚ the lateral nasal walls‚ the pterygoid plates‚ associated vasculature structures‚ and teeth. The maxillary sinus is pyramidal in shape. The base of the pyramid is the medial wall of the sinus that is also the lateral wall of the nasal cavity‚ and its apex is pointed towards the zygomatic bone. The roof of the sinus is also the floor of the orbit. The sinus has a
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