Disorders of the lacrimal system can lead to chronic symptoms affecting the eyes, causing discomfort and vision problems. Common abnormalities include dry eye, which can result from tear flow and evaporation issues. Aqueous-deficient dry eye, often associated with Sjögren's syndrome, is characteriz

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The digestive system is responsible for the breakdown, absorption, and elimination of food. It involves processes such as ingestion, propulsion, mechanical and chemical digestion, absorption, and defecation. Starting from the mouth with salivary glands and oral cavity, it progresses through the esop

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Salivary gland imaging plays a crucial role in diagnosing and monitoring diseases of the major salivary glands, including the parotid, submandibular, and sublingual glands. Different imaging techniques such as computed tomography, MRI, and ultrasound are used to visualize these glands and aid in dif

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Digestive physiology involves the breakdown of food into simple nutrients for absorption by the body. It includes mechanical and chemical means of food degradation using enzymes from salivary, gastric, pancreatic, and colonic bacteria. The digestive system comprises the mouth, esophagus, stomach, li

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Pancreas is a vital organ in the abdomen with dual exocrine and endocrine functions. As an exocrine organ, it secretes digestive enzymes and bicarbonates into the duodenum for food breakdown. In its endocrine role, the pancreas regulates blood sugar levels by secreting insulin, glucagon, somatostati

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Delve into the examination of sialoendoscopy as a minimally invasive procedure for addressing salivary stones. Gain insights into its potential advantages, associated risks, and comparative analysis with other available treatments.\n\nFor More Visit- \/\/ \/salivary-stones-is-sialoendoscopy-really-t

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The digestive system, comprising the gastrointestinal tract (GIT) and accessory organs, plays a vital role in digestion. From the upper GI tract (oral cavity, esophagus, stomach) to the lower GI tract (small and large intestines), each part has specific functions. Understanding salivary glands and c

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Salivary gland affections in animals, particularly dogs, are discussed, highlighting the main pairs of salivary glands and their locations. The content covers details on the parotid, mandibular, sublingual, and zygomatic glands, along with their respective ducts. Information on congenital and acquir

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Glandular specialized epithelium forms a class of epithelial tissues with specific functions and structures, composed of cuboidal, columnar, and ciliated columnar epithelial cells. These tissues contain gland cells that are secretary in nature, with zymogen granules in the cytoplasm. Glands are spec

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The process begins with chewing skittles in the mouth, where salivary amylase breaks down sugar. The bolus then travels down the esophagus via peristalsis into the stomach, further broken down by gastric juice. The pancreas releases enzymes like amylase and lipase to digest sugars and fats. Bile pro

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The small intestine's motility and secretion processes involve various types of contractions and movements, such as segmentation contractions, peristalsis, and the migrating motor complex. These processes play a crucial role in mixing chyme, aiding in digestion, and facilitating absorption of nutrie

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This content delves into the intricate workings of the stomach, focusing on its motor functions, anatomical and physiological divisions, gastric reservoir, storage and mixing functions, and relaxation reflexes. It emphasizes the key roles of the stomach in storing and preparing food for digestion, a

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Salivary amylase, an enzyme found in saliva, partially hydrolyzes starch into maltose. This practical involves observing the action of salivary amylase on starch, demonstrating how starch is broken down into glucose and maltose. The procedure includes preparing solutions, collecting saliva, mixing w

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Dental radiographs, though two-dimensional, can be limited in depicting depth and bucco-lingual relationships. Localization techniques like the right angle and tube-shift methods are used to accurately locate objects such as foreign bodies, impacted or unerupted teeth, and salivary stones within the

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This content delves into the secretory functions of the alimentary tract, focusing on the secretion of saliva and the role of mastication. It covers the anatomy of salivary glands, composition of saliva, control of secretion by the nervous system, and the functions of saliva in lubrication, protecti

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Carbohydrate digestion begins in the mouth with the release of salivary amylase, continues in the stomach where chyme is formed, and is completed in the small intestine with the help of pancreatic enzymes. Absorption of the broken-down sugars occurs in the small intestine, while undigested carbohydr

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Enzymes play a crucial role in catalyzing chemical reactions in the human body. This experiment focuses on the hydrolytic activity of salivary amylase on starch, breaking down polysaccharides into intermediate products like maltose. The mechanism of amylase action, types of amylase, and the assay me

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Glands play a crucial role in the body by producing and releasing substances for specific functions. Endocrine glands release hormones directly into the bloodstream, while exocrine glands secrete substances through ducts onto bodily surfaces. Different types of exocrine glands, such as sweat glands,

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Salivary enzyme amylase, also known as ptyalin, plays a crucial role in breaking down starch and glycogen into maltose. This practical session in the Zoology department explores the action of salivary enzyme amylase at a temperature of 37°C and pH of 6.6. By conducting experiments with starch, iodi

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Polytene chromosomes, giant chromosomes found in salivary glands of insects like fruit flies, exhibit unique banding patterns consisting of bands and interbands. Researchers like Balbiani have studied these chromosomes, noting over 5000 bands in Drosophila. The uncoiling of chromomeres in bands form

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The gastrointestinal tract (GIT) is responsible for digestion, absorption, and secretion through various glands along the alimentary canal. Secretions are stimulated by factors like direct contact, nervous system activation, and hormonal regulation. Hormones released in response to food presence hel

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Cancer of the head and neck region poses a significant threat, with various types of tumors affecting areas like the nasal cavity, paranasal sinuses, mouth, larynx, salivary glands, and thyroid. Dr. Swati Lambor, a skilled ENT consultant at Manipal Hospital in Goa, sheds light on the causes, progres

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The oral cavity extends from the lips to the hard and soft palate and houses various structures like the tongue, buccal mucosa, floor of the mouth, hard palate, gingiva, and lips. This detailed overview covers the different regions of the tongue, mucosal linings, salivary glands, and palatal structu

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This content delves into the concept of renal clearance, exploring its relation to lipophilicity and mechanisms such as glomerular filtration, tubular secretion, and reabsorption. The processes occurring at the nephron level and the vascularization scheme are detailed, along with a breakdown of phys

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The stomach plays crucial roles in food storage, chyme preparation, water absorption, and slow emptying into the small intestine. Its motor functions include maintaining a reservoir, mixing food, and facilitating relaxation reflexes for optimal digestion. Anatomically and physiologically, the stomac

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In this informative presentation by Assistant Professor Dr. Emre Hamurtekin, the focus is on gastrointestinal secretions including salivary, gastric, pancreatic, biliary, and intestinal fluids. Structural considerations such as the surface area for absorption, sphincters, villi, and crypts are discu

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Laboratory animal allergies pose a significant occupational hazard, with around 2 million workers at risk. Exposure routes include inhalation, skin contact, and ingestion. Factors such as pre-existing allergies, intensity of exposure, and secondhand exposure influence the likelihood of developing al

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Salivary gland diseases encompass various conditions affecting the salivary glands, including developmental abnormalities, inflammatory and non-inflammatory enlargement, cysts, tumors, and dysfunction. Investigations such as plain films, sialography, MRI, and biopsies are essential for diagnosis. Si

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Saliva is a watery secretion produced by salivary glands in the mouth, aiding in food digestion, swallowing, and moistening food. Human salivary glands include parotid, submaxillary, and sublingual glands, each producing different types of secretions. The glands are made up of secretory acini and du

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Radioactive iodine (RAI) is commonly used in treating differentiated thyroid cancer but can lead to salivary and lacrimal dysfunction. This joint clinical consensus statement by the American Head and Neck Society Endocrine Surgery and Salivary Gland Sections highlights the importance of understandin

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Salivary glands play a crucial role in the production and secretion of saliva, aiding in digestion and oral health. The parotid gland is a compound tubuloacinar gland with serous characteristics, while the sublingual gland is a seromucous type. Minor salivary glands, found in carnivores, vary in com

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Hormone secretion is tightly regulated to prevent overproduction or underproduction. It involves various factors such as nervous system signals, chemical changes in the blood, and feedback mechanisms. Hormones play a vital role in maintaining homeostasis by acting on target cells and eliciting speci

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Salivary gland diseases, including tumors, can affect both major and minor glands. These tumors may be benign or malignant, with common benign tumors like pleomorphic adenoma. Clinical features of salivary gland tumors vary, with slow-growing benign tumors being more common. Pleomorphic adenoma is p

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The pituitary gland, located at the base of the brain, comprises two main portions - the anterior lobe (adenohypophysis) and the neurohypophysis. The anterior lobe consists of various cell types that secrete hormones like GH, prolactin, TSH, ACTH, FSH, and LH. GH, also known as STH, plays a crucial

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Early life intervention has been shown to reduce the clinical manifestations of Sjögren's syndrome in NOD.H-2h4 mice, which mimic key features of the human autoimmune disease. The syndrome is characterized by salivary gland autoantibodies, ectopic lymphoid follicles, reduced salivary and tear flow,

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The gastrointestinal tract, a muscular tube from the mouth to the anus, is influenced by drugs affecting its function. Structures vary in different animals, with control by the autonomic nervous system branches. Parasympathetic stimulation increases motility, while sympathetic stimulation decreases

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Viruses must be transmitted to new hosts for their survival. This transmission occurs through vectors like arthropods, which acquire and transmit viruses during feeding. The mechanism involves viruses attaching to the vectors' mouthparts or entering their circulatory system to reach salivary glands

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The research explores the association between taste perception and the duration of COVID infection in long-COVID and COVID-reinfection cases. Reduced salivary gustin levels correlated with lower taste scores in long-COVID patients. The study also found an increase in the bitter taste receptor gene e

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Saliva plays a crucial role in maintaining oral health by lubricating the mouth, aiding in digestion, serving as an ion reservoir for teeth remineralization, enhancing taste perception, facilitating food clearance, and contributing to the maintenance of healthy oral tissues. Different salivary gland

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Disorders of ADH secretion, such as Diabetes Insipidus and Syndrome of Inappropriate ADH Secretion (SIADH), present various manifestations like polyuria, polydipsia, and dehydration. Different types of Diabetes Insipidus have specific causes and treatments. Central DI results from pituitary gland da

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