General Biology: Definitions and explanations page 17 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 17) for biology degree programs.
- What are Leukocytes?
Leukocytes is another name for the white blood cells. these are the cells of the immune ... - What are Stem cells?
Stem cells are cells that can differentiate into other types of cells, and can also divide ... - What is Sickle cell disease?
Sickle cell disease is a group of blood disorders that are commonly inherited from a person's ... - What is Erythropoietin?
Erythropoietin is also known as haematopoietin. it is a glycoprotein cytokine secreted by the kidney in ... - What is Thrombin?
Thrombin is a serine protease. it is an enzyme that, in humans, is encoded by the ... - What is Atherosclerosis?
Atherosclerosis is a disease in which the inside of an artery narrows due to the build ... - What is Low density lipoprotein?
Low-density lipoprotein is one of the five major groups of lipoprotein which transport all fat molecules ... - What is High density lipoprotein?
High-density lipoprotein is one of the five major groups of lipoproteins. they are typically composed of ... - What is Heart attack?
Myocardial infarction is commonly known as a heart attack and occurs when blood flow decreases or ... - What is Stroke?
A stroke is a medical condition in which poor blood flow to the brain results in ... - What is Hypertension?
Hypertension is yet another contributor to heart attack and stroke. according to one hypothesis, chronic high ... - What is Gas exchange?
Gas exchange is the physical process by which gases move passively by diffusion across a surface. ... - What is Partial pressure?
In a mixture of gases, each constituent gas has a partial pressure which is the notional ... - What is Ventilation?
Breathing is the process of moving air into and out of the lungs to help in ... - What is Countercurrent exchange?
Countercurrent exchange is a mechanism occurring in nature usually heat or some chemical, between two flowing ... - What is Tracheal system?
The trachea which is also called the windpipe, is a cartilaginous tube that connects the pharynx ... - What are Lungs?
In mammals and most of the vertebrates, two lungs are located near the backbone on either ... - What is Larynx?
The larynx is also called the voice box. it is an organ in the top of ... - What is Trachea?
The trachea is also called the windpipe. it is a cartilaginous tube that connects the pharynx ... - What is Bronchi?
A bronchus is a passage of airway in the respiratory system that conducts air into the ... - What are Bronchioles?
The bronchioles or bronchioli are the passageways by which air passes through the nose or mouth ... - What is Alveoli?
The pulmonary alveolus , which are also called alveoli, is a hollow cavity found in the ... - What is Breathing?
Breathing is the process of moving air into and out of the lungs to facilitate gas ... - What is Positive pressure breathing?
Positive pressure breathing is inflating the lungs with forced airflow. intermittent positive pressure breathing (ippb) is ... - What is Diaphragm?
The diaphragm is a thin skeletal muscle that sits at the base of the chest and ... - What is Tidal volume?
Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation ... - What is Vital capacity?
Vital capacity is the maximum amount of air a person can expel from the lungs after ... - What is Residual volume?
Residual volume is the amount of air that remains in a person's lungs after fully exhaling. ... - What are Respiratory pigments?
A respiratory pigment is a molecule that increases the oxygen-carrying ability of the blood. the four ... - What is Myoglobin?
Myoglobin is an iron- and oxygen-binding protein found in the muscle tissue of vertebrates in general ... - What is Pathogen?
A pathogen is anything that can produce disease. a pathogen may also be referred to as ... - What is Immune system?
The immune system is a host defense system comprising many biological structures and processes within an ... - What is Adaptive immunity?
The adaptive immune system, also known as the acquired immune system or sometimes as the specific ... - What is Innate immunity?
In innate immunity, which includes barrier defenses, molecular recognition relies on a small set of receptor ... - What is Phagocytosis?
Phagocytosis is a type of endocytosis. it is basically a process by which a cell uses ... - What are Neutrophils?
Neutrophils are also known as neutrocytes. these cells are the most abundant type of granulocytes and ... - What are Macrophages?
Macrophages are a type of white blood cell, of the immune system, that engulfs and digests ... - What are Dendritic cells?
Dendritic cells are antigen-presenting cells of the mammalian immune system. their main function is to process ... - What are Natural killer cells?
Natural killer cells, also abbreviated to nk cells, are a type of cytotoxic lymphocyte that are ... - What are Interferons?
Interferons (ifns) are a group of signaling proteins made and released by host cells in response ... - What are Complement proteins?
The complement system is a part of the immune system that enhances or complements the ability ... - What is Inflammatory response?
Inflammation is part of the complex biological response of body tissues to damaging stimuli, such as ... - What is Histamine?
Histamine is an organic nitrogenous compound involved in local immune responses, as well as regulating physiological ... - What are Cytokines?
Cytokines are a broad and loose category of small proteins that are important in cell signaling. ... - What are Lymphocytes?
A lymphocyte is one of the subtypes of a white blood cell in a vertebrate's immune ... - What is Thymus?
The thymus is a specialized primary lymphoid organ of the immune system. within the thymus, t ... - What is Antigen?
The term antigen refers to any molecule or a linear molecular fragment after processing the native ... - What is Antigen receptor?
An antigen receptor is basically an antibody protein that is not secreted but is anchored to ... - What is Epitope?
An epitope is also called as antigenic determinant. it is the part of an antigen that ... - What is Antibody?
Antibodies are secreted proteins from the b cells. the antibodies have the same y-shaped structure as ... - What is MHC molecule?
The major histocompatibility complex is a set of genes that code for cell surface proteins that ... - What is Antigen presentation?
Antigen presentation describes a vital immune process which is essential for t cell immune response triggering. ... - What are Effector cells?
An effector cell is any of various types of cell that actively responds to a stimulus ... - What are Plasma cells?
Plasma cells are white blood cells that secrete huge volumes of antibodies. they are moved by ... - What are Memory cells?
Memory cells can be of different types for example one is the memory b cells which ... - What is Clonal selection?
Clonal selection is basically a phenomenon in immunology that explains the functions of lymphocyte cells of ... - What is Humoral immune response?
Humoral immunity refers to antibody production and the accessory processes that accompany it. basically humoral immunity ... - What is Cell mediated response?
Cell-mediated immunity is an immune response that does not involve antibodies and rather is the activation ... - What are Cytotoxic T cells?
A cytotoxic t cell is also known as t lymphocyte or ctl etc. this cell is ... - What is Active immunity?
Active immunization is the induction of immunity after exposure to an antigen. antibodies are created by ...