Submandibular Gland – Location, Structure, Functions

Submandibular Gland - Definition, Structure, Functions

Submandibular gland is the second largest paired salivary gland of human body. It is about walnut size and its weight is about 7 to 15 gram. It is present in the submandibular triangle of neck, just below the lower border of mandible. It is an encapsulated gland. The gland is divided by mylohyoid muscle into … Read more

Digastric Muscle – Location, Structure, Types, Functions

Digastric Muscle - Definition, Structure, Types, Functions

Digastric muscle is a small suprahyoid muscle present in the neck below the lower jaw. It is an important muscle because it helps in movement of mandible, hyoid bone and larynx. The name digastric means “two bellies”. So this muscle has two parts, anterior belly and posterior belly. These two bellies are joined in the … Read more

Antiviral Drug – Classification, Mode of Action, Examples

Different Mode of Actions of Antiviral Drug

Antiviral drugs are the antimicrobial drugs which are used to treat viral infections. These drugs are specially designed against the virus and its replication process. Some antiviral drugs act against one specific virus, while some drugs may act against many viral agents. Antiviral drugs do not usually destroy the virus directly. They mainly inhibit the … Read more

Nosocomial Infection – Prevention, Source, Transmission

Types of Nosocomial Infections

Nosocomial infection is an infection acquired from hospital or health care centre. It occurs during treatment of a patient. It is also called hospital-acquired infection or healthcare-associated infection (HAI). The word nosocomial is derived from Greek word nosokomeion. It means hospital. This term is used when the infection was not present in the patient before … Read more

ELISA test – Definition, Principle, Procedure, Types, Steps, Uses

ELISA test - Definition, Principle, Procedure, Types, Steps, Uses

ELISA (Enzyme-Linked Immunosorbent Assay) is a sensitive laboratory test used for detection of antigen, antibody, protein, peptide and hormone from biological samples. It is based on the specific binding between antigen and antibody. So the particular substance present in the sample can be detected by this reaction. In this test, the sample or target molecule … Read more

Human Nervous System – Definition, Parts, Functions

Nervous System - Definition, Parts, Functions

Nervous system is a complex controlling and coordinating system of the body. It receives stimulus, processes the informations and gives response through muscles and glands. Human nervous system is a highly complex biological network of the human body. It is responsible for coordinating body functions, receiving sensory informations and producing different body responses. It has … Read more

Agglutination Test – definition, Types, Uses, Advantages, Disadvantages

Toolmakers Microscope - Principle, Procedure, Parts, Applications

Agglutination test is an immunological and serological test which is used to detect specific antigen or antibody in the patient sample. It is based on the visible clumping reaction between particulate antigen and its specific antibody. In this reaction, antibody binds with more than one antigen particle and form a lattice like network. So the … Read more

Bone Marrow – Definition, Types, Structure and Functions

Bone Marrow - Definition, Types, Structure and Functions

Bone marrow is a soft, spongy and gelatinous tissue present inside the hollow cavity of bones. It is mainly concerned with formation of blood cells. This process is called haematopoiesis. Bone marrow is a soft, spongy and gelatinous tissue inside the hollow spaces of some bones. It is present in hip bone, thigh bone, vertebrae, … Read more

Mode of Transmission of Diseases

Transmission of Disease

Transmission of diseases is defined as the process by which an infectious agent is transferred from its natural habitat (reservoir) to a new susceptible host. It is the movement of pathogens from one individual to another or from environment to human. This process is an essential part of the chain of infection. Without transmission the … Read more

Endocrine System – Definition, Structure, Primary and Secondary glands

Endocrine System - Definition, Classification, Functions and Endocrine glands

What is Endocrine System? Definition of Endocrine System The endocrine system is a network of glands that release hormones directly into the bloodstream to regulate various bodily functions, including metabolism, growth, reproduction, and mood. It works in conjunction with the nervous system to maintain homeostasis and coordinate complex processes within the body. Structure of Endocrine … Read more