Epithelium - PowerPoint PPT Presentation


Understanding Liver Function Tests in Cholestatic Injury

Cholestatic liver disease affects Alkaline Phosphatase (ALP) and bilirubin levels, indicating bile duct damage. GGT and 5'-Nucleotidase help differentiate hepatobiliary vs. bone origin of ALP elevation. ALP is produced by bile duct epithelium and can be normal in acute biliary obstruction. GGT and N

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Functions of the Respiratory System and Ventilation Mechanism

The respiratory system performs crucial functions such as ventilation to facilitate gas exchange, maintaining pH balance, and enabling vocal sounds. It consists of the upper and lower respiratory systems, including structures like the nose, trachea, bronchi, and alveoli. The system's epithelium, the

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Europe Dunaliella Salina Market to Reach $27.1 Million by 2030

Beta-carotene is a part of the carotenoid family and an antioxidant derived from natural and synthetic sources. It is the main safe dietary source of vitamin A, which is essential for normal growth and development, immune system functioning, and healthy skin, epithelium, and vision.

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Overview of Jaw Cysts: Classification and Clinical Features

A cyst in the jaw is a fluid-filled cavity lined by epithelium that commonly occurs in the jawbones. There are different types of jaw cysts, such as odontogenic cysts and non-odontogenic cysts, each with specific clinical features and radiographic appearances. Understanding the classification and fe

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Understanding Atrophic Rhinitis: Causes, Symptoms, and Diagnosis

Atrophic rhinitis is a progressive chronic condition characterized by the atrophy of nasal mucosa and turbinates. It predominantly affects young to middle-aged adults, with females being more prone. Commonly isolated bacteria include Klebsiella ozaenae and others. The pathophysiology involves metapl

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Understanding Glandular Specialized Epithelium and Glands

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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Understanding Glandular Epithelium and Secretory Cells

Glandular epithelium consists of epithelial cells specialized in producing and secreting various macromolecules, found in glands throughout the body. These secretory cells can synthesize proteins, lipids, and carbohydrates, with different types of glands such as exocrine and endocrine glands. The se

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Understanding Epithelial Tissues: Types and Characteristics

Epithelial tissues are integral to the human body, forming sheets of cells that cover internal and external surfaces. Derived from all three primary germ layers, epithelia exhibit distinct polar characteristics and rely on connective tissue support. There are two main types of epithelial tissues –

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Development Stages of Inner Enamel Epithelium

The life span of cells in the inner enamel epithelium can be divided into six stages: Morphogenic, Organizing, Formative, Maturative, Protective, and Desmolytic. Differentiation of ameloblasts occurs in various regions of the tooth germ. Amelogenesis, the enamel formation, takes place during the for

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Understanding Epithelial Tissue: Characteristics, Types, and Functions

Epithelial tissue is a crucial component of the body forming protective barriers, aiding in secretion, absorption, excretion, and more. Learn about its general characteristics, different types such as simple and stratified epithelium, glandular epithelium classification, and clinical applications li

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Preparation of Squamous Epithelium Cells from Human Mucosa Mouth

Squamous cells from the mucosa of the human mouth play vital roles in protecting and maintaining oral health. This guide outlines the steps to prepare slides of these cells for microscopic examination using simple materials and methods. Caution is advised when handling methylene blue due to its toxi

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Understanding Testicular Hypoplasia and Degeneration in Veterinary Medicine

Testicular hypoplasia and degeneration are conditions affecting the development and function of the testes in animals, particularly bulls. Hereditary and non-hereditary forms exist, leading to partial or complete failure in spermatogenic epithelium development. The incidence is low and sporadic, mor

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Understanding Oral Mucosa: Structure and Classification

The oral mucosa is a mucous membrane that adapts to different functions in various regions of the mouth. It is classified into masticatory, lining, and specialized mucosa, each with distinct characteristics. The structure of oral mucosa resembles skin and consists of epithelium and connective tissue

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Development of the Respiratory System in Human Embryos

The formation of the lung buds, larynx, trachea, bronchi, and lungs in human embryos involves complex processes where various structures develop from different tissue origins. The lung buds arise from the ventral wall of the foregut, while the larynx, trachea, and bronchi epithelium are of endoderma

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Understanding Allergies to Animals and Living Organisms

Allergies to animals and living organisms are a result of specific immune processes triggered by allergenic substances like proteins and peptides. This allergic response can be caused by various animal proteins such as dog allergens Can f.1, Can f.2, and Can f.3, and cat allergen Fel d1. The represe

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Anatomy Review: Large Intestine and Rectum Histology

The presentation delves into the detailed morphology and histology of the large intestine and rectum, covering aspects often not emphasized in textbooks. It explores nuances such as the S-shaped structure of the rectum, the composition of the anal canal, the layers of epithelium, and the territorial

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Anatomy of the Tongue: A Detailed Exploration

Squamous epithelium, striated muscle, and various types of papillae make up the intricate structure of the tongue. Filliform, fungiform, circumvallate, and foliate papillae play different roles in sensory perception and taste. Taste buds, Van Ebner's glands, and gustatory furrows add complexity to t

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Understanding Premalignant Disease of the Cervix

Premalignant disease of the cervix is a significant health concern, particularly in developing countries. Carcinoma of the cervix ranks as the second most common cancer among women globally, with preventive measures vital for early detection and treatment. This article discusses the pathophysiology

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Female Ovary Histology and Function Overview

The female reproductive organ, the ovary, plays crucial roles in oocyte development, hormone production, and ovulation. Structurally, ovaries have a cortex and medulla, with follicles containing oocytes and surrounding cells. The primary follicle marks the onset of follicular maturation, leading to

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Understanding Epithelial Tissues: Structure and Function

Epithelial tissues play crucial roles in the human body, covering surfaces, lining cavities, and forming glands. They are highly cellular and rest on a basement membrane, separating them from connective tissues. Epithelial tissues serve functions such as protection, absorption, secretion, and contra

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Understanding Mycoplasmosis in Swine

Mycoplasmosis in swine is caused by Mycoplasma species, with Mycoplasma hyopneumoniae as the most common. It leads to chronic bronchopneumonia and can suppress the immune system, allowing other bacteria to proliferate in the lungs. The disease is characterized by slow growth in culture, adhesion to

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Histology of the Tongue: Structure and Function Overview

The tongue is covered by stratified squamous epithelium with various types of papillae on its dorsal surface, each serving specific functions such as taste perception and mechanical tasks. The filiform, fungiform, vallate, foliate, and circumvallate papillae are distinct in their appearance and dist

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Exploring the Olfactory Nerve and Its Role in the Sense of Smell

The olfactory nerve, the first cranial nerve, plays a crucial role in our sense of smell. It is unique for its ability to regenerate, with basal cells facilitating this process. The olfactory system is responsible for detecting odors and is essential for various behaviors in mammals. This system con

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Understanding the Respiratory System Components and Functions

The respiratory system consists of two primary subdivisions: the Air Conducting portion and the Respiratory portion. The Air Conducting portion includes nasal cavity, naso-pharynx, larynx, trachea, bronchi, bronchioles, and terminal bronchioles, providing a pathway to and from the lungs while condit

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Structure of Gastric Mucosa in Glandular Stomach

The glandular stomach features laminae epithelialis lined with simple columnar epithelium, leading to differentiation into gastric pits and glands. The laminae propria houses tubular gastric glands, while the laminae muscularis mucosa is composed of smooth muscles. Different regions exhibit distinct

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Respiratory Tract Anatomy Overview

The respiratory tract anatomy includes various structures like mucosa, submucosa, and adventitia in the trachea, bronchi, bronchioles, and terminal bronchioles. Each component has specific compositions and functions, ranging from respiratory epithelium to smooth muscle layers. The images provide a v

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Select Reps for Feedback Lunch

This collection features detailed images of various types of epithelium found in different parts of the body, including the bladder, submandibular gland, ileum, uterine tube, esophagus, skin, foot, and trachea. Each image provides a close-up view of the epithelial tissue and surrounding structures,

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Understanding the Anatomy and Histology of the Conjunctiva

This educational content explores the intricate details of the conjunctiva, a thin mucous membrane that lines the inner surface of the eyelids and globe. Topics include anatomical divisions, histological features such as epithelium and stroma, and common microbial conjunctival pathologies like bacte

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Development of Maxillary Prominences and Secondary Palate in Embryonic Development

New outgrowths from the medial edges of the maxillary prominences form the shelves of the secondary palate. Fusion of these palatal shelves involves complex cellular changes, such as elevation after the withdrawal of the tongue and alterations in epithelium leading to adhesion and fusion. The fate o

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Comprehensive Overview of Craniopharyngioma: History, Pathology, and Treatment Considerations

Craniopharyngioma is a complex intracranial tumor with a rich historical background dating back to the early 20th century. Initially described by McLean, Frazier, Alpes, and famously studied by Cushing, this tumor continues to be a subject of debate and controversy in terms of treatment approaches a

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Cryptosporidium: A Profile of the Parasitic Genus

The genus Cryptosporidium comprises intracellular organisms found in the gut and respiratory epithelium of various hosts, including humans and animals. These parasites have a unique life cycle involving thick-walled oocysts and can be transmitted through contaminated water or inhalation. Different s

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Overview of Salivary Glands Structure

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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Rare Case Presentation of Central Serous Chorioretinopathy in Young Female Patient

A rare case presentation of bilateral central serous chorioretinopathy in a young female patient was discussed at the 9th Annual State Ophthalmological Conference (TOSCON) 2024. The condition, characterized by retinal pigment epithelium decompensation leading to neurosensory retinal detachment, is m

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Genitourinary Syndrome of Menopause (GSM) - Symptoms and Management Overview

Genitourinary syndrome of menopause (GSM) encompasses urovaginal symptoms associated with hormonal changes during menopause. Symptoms include vaginal dryness, burning, itching, dyspareunia, urinary urgency, and more. Thin, pale epithelium and tissue changes are common. Management involves various tr

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Understanding Correlation of Normal Clinical and Microscopic Features in Gingival Health

The correlation of normal clinical and microscopic features in gingival health involves factors such as color, size, contour, shape, consistency, surface texture, stippling, position, and continuous tooth eruption. These elements depend on various aspects like vascular supply, thickness of epitheliu

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