Salivary Glands - Definition, Types, Location, Size, Ducts, Diagram, Characteristics, Secretion, Structure and Function

Salivary Glands – Definition, Types, Location, Size, Ducts, Diagram, Characteristics, Secretion, Structure and Function

Salivary glands are exocrine glands responsible for saliva secretion. They have acinar cells for saliva synthesis and ductal cells for transport. Myoepithelial cells aid saliva movement. Major glands include parotid (largest), submandibular, and sublingual (smallest). Ducts are Stensen’s (parotid), Wharton’s (submandibular), and multiple (sublingual). Saliva lubricates, digests, and protects. Understanding their structure and function is vital.

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Gastric Glands - Location , Structure, Types, Secretion and Functions

Gastric Glands – Location , Structure, Types, Secretion and Functions

Gastric glands, present in the stomach lining, play an important role in digestion. Structurally, they are made up of different cell types, including parietal, chief, and mucous cells. These glands secrete gastric juice, which consists of hydrochloric acid, pepsinogen and mucus. The secretions help break down food, sterilisation of ingested pathogens and absorb essential nutrients, thus fulfilling important functions in the digestive process

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Brain Diagram Class 10

The brain diagram is an invaluable tool for understanding the complex structure and functions of the human brain. Neatly labelled with precision, easy to understand and helps visualise the intricate network of neural connections. With its simple yet detailed design, the brain diagram serves as an accessible guide for students, researchers and enthusiasts, making it a user-friendly resource to draw and understand the inner workings of the brain.

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Salivary Glands Diagram

The salivary gland diagram provides a clear visual representation of the major salivary glands: parotid submandibular, and sublingual. Neatly labeled and easy to draw, this diagram helps you understand their anatomical location and functions. It is a valuable teaching tool for studying the important role of these glands in saliva production and oral health.

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Guard Cell Diagram

The diagram of the guard cells illustrates the specialised cells surrounding the stomata. These kidney-shaped cells with thicker outer walls swell when filled with water, causing the stomata to open. Conversely, they become flaccid when they lose water, causing the stomata to close. This process, controlled by vacuoles and cell walls, regulates gas exchange and water loss in plants.

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peristalsis / perstaltic movement

Peristalsis-  The Rhythmic Journey Through Your Body

Peristalsis is a vital biological process that facilitates the movement of food through the digestive system. It involves rhythmic contractions of smooth muscles, creating a wave-like motion known as peristaltic waves. These waves propel food through the digestive tract and ensure efficient digestion and absorption of nutrients. Peristaltic movements are coordinated by the enteric nervous system and provide the motility necessary for proper gastrointestinal function.

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mitochondria short note

Short Note on Mitochondria

Mitochondria, the ‘Powerhouse of the cell’, are double-membrane organelles found in eukaryotic organisms. They function as the cell’s digestive system and play an important role in energy production through oxidative phosphorylation. With their unique structure and multiple functions, mitochondria regulate metabolism, promote cell growth, detoxify ammonia, induce apoptosis and maintain calcium ion balance, making them essential for cellular activities.

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emulsification of fats in digestion

Emulsification of Fats

Emulsification of fats is an important process in digestion in which large globules of fat are broken down into smaller droplets. This process is carried out by bile, a substance produced by the liver and stored in the gallbladder. Bile emulsifies fats by acting as a detergent, breaking down the fat into smaller droplets that can be easily digested and absorbed by the body. Without this process, the digestion and absorption of fats would be much less efficient.

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essay about festivals of india

Festivals of India Essay

India is a land of festivals and celebrations. The country celebrates a variety of festivals throughout the year, reflecting its cultural and religious diversity. These festivals are characterised by colourful decorations, traditional rituals and feasts. Some of the major festivals celebrated in India are Diwali, Holi, Dussehra, Eid-ul-Fitr, Christmas and many more. Each festival has its own significance and is celebrated with great enthusiasm and zeal.

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essay on noise pollution in english

Essay on Noise Pollution

Noise pollution is a form of environmental pollution that can have a significant impact on human health and well-being. Excessive noise can cause hearing damage, sleep disturbance and even heart disease. It can also disrupt communication and cause annoyance, leading to a reduced quality of life. The sources of noise pollution are many and include traffic, construction and industrial activities. Reducing noise pollution requires a combination of individual and collective efforts.

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