General Biology: Definitions and explanations page 18 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 18) for biology degree programs.
- What is Passive immunity?
A different type of immunity results when the igg antibodies in the blood of a pregnant ... - What is Immunization?
Immunization is the process by which an individual's immune system becomes encouraged or strengthens against an ... - What are Monoclonal antibodies?
Monoclonal antibodies are antibodies that are made by identical immune cells that are all clones of ... - What is Immune rejection?
A good example of immune rejection is the skin transplanted from one person to a genetically ... - What is Allergy?
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the ... - What is Autoimmune response?
Such a loss of self-tolerance has many forms. for example in systemic lupus erythematosus, commonly called ... - What is Rheumatoid arthritis?
Rheumatoid arthritis is a long-term autoimmune disorder that primarily affects joints. it normally results in warm, ... - What is Inborn immunodeficiency?
Depending on the specific defect, either innate or adaptive defenses - or both - may be ... - What is Acquired immunodeficiency?
Drugs used to fight autoimmune diseases or prevent transplant rejection suppress the immune system, leading to ... - What is Pandemic?
A pandemic is an epidemic of disease that has spread across a large region; for instance ... - What is Latency?
Latent viruses do not trigger an adaptive immune response everince production of most viral proteins and ... - What is Human Immunodeficiency Virus?
Hiv virus has an elaborate pathogenesis. once introduced into the body, hiv infects helper t cells ... - What is Osmoregulation?
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids which happens ... - What is Osmolarity?
Osmolarity is another name for osmotic concentration which measures the solute concentration. it is caluculated as ... - What is Anhydrobiosis?
The term anhydrobiosis is most usually used for the desiccation acceptance or tolerance seen in certain ... - What are Malpighian tubes?
The malpighian tubule system is a type of excretory and osmoregulatory system found in some insects, ... - What is Kidney?
The kidneys are two bean-shaped organs found in vertebrates. they are located on the left and ... - What is Ureter?
In human anatomy, the ureters are tubes made of smooth muscle fibers that expel urine from ... - What is Urinary bladder?
The urinary bladder is a organ that is hollow and muscular in humans and some other ... - What are Nephrons?
The nephron is the microscopic structural and functional unit of the kidney and comprises of a ... - What are Hormones?
A hormone is any member of a group of signaling molecules produced by glands in multicellular ... - What is Endocrine system?
The endocrine system is a chemical messenger system comprising feedback loops of hormones released by internal ... - What is Human Nervous System?
The nervous system is a very intricate part of an animal that manages its actions and ... - What are Neurotransmitters?
Neurotransmitters are endogenous chemicals messengers that enable neurotransmission. it is a type of chemical messenger which ... - What are Neurohormones?
A neurohormone is any hormone produced and released by neuroendocrine cells into the blood. these neaurohormones ... - What is Pheromones?
For example, when a foraging ant discovers a new food source, it marks its path back ... - What is Nitric oxide?
Nitric oxide (no) is fundamentally a gas and it functions in the body as both a ... - What is Signal transduction?
Signal transduction is the process by which a chemical or physical signal is conveyed through a ... - What is Epinephrine?
Adrenaline is also known as epinephrine. it is a hormone and a neurotransmitter. adrenaline is normally ... - What is Pineal gland?
The pineal gland is a small endocrine gland in the brain of most vertebrates. the pineal ... - What is Hypothalamus?
The hypothalamus is a portion of the brain has a variety of functions. one of the ... - What is Thyroid gland?
The thyroid gland is an endocrine gland located in neck, consists of two lobes. it is ... - What are Adrenal glands?
The adrenal glands are an example of endocrine glands. they produce a variety of hormones including ... - What is Pancreas?
The pancreas is an important organ of the digestive system and also an endocrine gland. the ... - What is Ovaries?
The ovary is an impotant organ in the female reproductive system that produces an ovum. when ... - What is Testes?
Testicles are the male reproductive gland or gonad in all animals, including humans. they are the ... - What is Growth hormone?
Growth hormone is also known as human growth hormone. it is a peptide hormone that incites ... - What is Zygote?
A zygote is a cell, eukaryotic, that is formed by a fertilization event between two gametes. ... - What is Egg?
The egg is a structure that contains the zygote in which an embryo develops until it ... - What is sperm?
Sperm is the reproductive cell of a male. a sperm cell that has a flagella and ... - What is Ovulation?
Ovulation is the discharge of eggs from the ovaries. this even happens when ovarian follicles break ... - What is Hermaphroditism?
A hermaphrodite is an any living organism that has incomplete reproductive organs or may have reproductive ... - What is Scrotum?
The scrotum is a reproductive structure in males that consists of a hanging sack of skin ... - What is Ejaculation?
Ejaculation is the release of semen from the male reproductory tract. the semen contains sperm and ... - What is Uterus?
The uterus is a main female hormone-responsive secondary sex organ of the reproductive system and is ... - What is Endometrium?
The endometrium is the internal epithelial layer of the uterus of a mammal.the layer thickens and ... - What is Spermatogenesis?
Spermatogenesis is the route through which haploid spermatozoa develop from their ancestoral germ cells. this occurs ... - What is Oogenesis?
Oogenesis is the variation of the ovum into a cell proficient to further develop when its ... - What are Mammary glands?
A mammary gland is an exocrine gland in mammals that produces milk. this milk is to ... - What is Menstruation?
Menstruationis the regular discharge of blood and mucosal tissue from the inner lining of the uterus ... - What is Endometriosis?
Endometriosis is a condition in which cells comparable to those in the the layer of tissue ... - What is Estrous cycle?
The estrous cycle is the periodic physiological changes that happen due to fluctuations in reproductive hormones ... - What is Menopause?
Menopause is the time in a females life when menstrual periods cease permanently, andthe women are ... - What is Organogenesis?
Organogenesis is the stage of embryonic development that starts at the end of gastrulation and lasts ... - What is Fetus?
A fetus is the unborn progeny of an animal that grows from an embryo. in humans, ... - What is Abortion?
Abortion is the termination of a pregnancy by removal or eviction of an embryo before it ... - What is Contraception?
Birth control is also known as contraception. it is a method that is used to prevent ... - What are Model organisms?
A model organism is any species that is not human and is comprehensively studied to understand ... - What is Acrosome?
The acrosome is an organelle that develops over the frontal part of the sperm of many ... - What is Notochord?
The notochord is an elastic or flexible rod made out of a material that has a ...