PPT-Salivary glands Glands that secrete saliva

Three major pairs of salivary glands Parotid gland mainly serous acini Submandibular gland mixed acini Sublingual gland mainly mucous acini and hundreds of minor salivary glands in humans. Christopher Holsinger and Dana T Bui Contents Introduction Developmental Anatomy Parotid Gland Anatomy Fascia What is a gland?. . Gland is an organ of secretion made up of specialized . secretory. cells derived from the surface epithelium on which it opens.. General Features. Epithelial in origin. Present as discrete organs or in layers.. Oral cavity. Entrance door of the gastrointestinal tract;. Beginning of the digestive function;. Provides security of the body against food and drink;. Prior to the adoption act two strong evolutionary verified sensory systems:. Made of cells that secrete substances into ducts or body fluids. Almost always columnar and cuboidal epithelia. Exocrine vs Endocrine. Exocrine Glands: secrete their products into ducts that open onto surfaces (ex: skin, lining of digestive tract). By: Ethan Leenstra. What is in the Oral Cavity?. The oral cavity (or mouth) consists of the teeth, tongue, salivary glands, cheeks, lips, palate (roof of the mouth), and the floor of the mouth. It also has a mucous lining membrane that protects the inside of the oral cavity. MOUTH. Food enters here. Tongue and teeth. Lips, cheeks, palate. Enzymes released in mouth to start digestion. UVULA. – back of the mouth (punching bag). Small muscle that lifts to close the passage to the nasal cavities when we swallow. Clinical Anatomy of the Salivary Glands. Minor salivary glands . Use of saliva as diagnostic fluid. Change in . sal. composition and flow rate. Sialadenitis. –Na &. Cl. secretion increases .. hormones: chemicals released into the bloodstream by endocrine glands. Pituitary gland: gland located in the brain that secretes human growth hormone and influences all other hormone-secreting glands (also known as the master gland). . Oral fluid consisted of:. 1. Pure secretions of salivary glands (major and minor glands).. 2. Gingival exudates.. 3. Food debris.. 4. Desquamated epithelial cells .. 5. Microorganisms.. 6. Neutrophil and leukocytes, from gingival crevice or tonsils.. Parotid. A compound . tubulo. . acinar. gland. Serous type of gland. Myoepithelial. cells present. Intraepithelial glands found in main excretory ducts. The opening of the duct into the mouth cavity is lined with stratified sq. and . treatment. of . Salivary. . gland. . diseases. , . Halitosis. Anatomical. . review. Minor . salivary. . glands. Glandulae. . salivatorie. . minores. They. . are. . unevenly. . distributed. Gulshan. Kumar. MVSc. , PhD. Affection of salivary glands. Salivary glands affection can be divided into 2 types:- congenital and acquired.. A-Congenital:- . Associated with agenesis or atresia of the parotid ducts, resulting in a fluid-filled swelling proximal to the obstruction site. . Prof.Dr. . . P.Srinivas. . Chakravarthi. HOD. Oral and Maxillofacial surgery. 1. 19-May-23. CONTENTS. Introduction. Anatomy of salivary glands. Functions of saliva. Functional disorders. Obstructive disorders. Lecture Sialadenitis Sialolithiasis