The key difference between renin and rennin is that renin is a hormone involved in the regulation of arterial blood pressure, while rennin is an enzyme that is useful in milk coagulation. There are various chemicals in the animal body that enable certain key functions necessary for the sustenance of life. These chemicals are mainly […]
What is the Difference Between Placoid and Cycloid Scales
The key difference between placoid and cycloid scales is that placoid scales are triangular, rough structures present in cartilaginous fish, while cycloid scales are round, flexible structures present in bony fish. The exoskeletal covering of vertebrates is made of two types of scales. They are epidermal and dermal. Epidermal scales are well developed in vertebrates […]
What is the Difference Between Androgenic Alopecia and Alopecia Areata
The key difference between androgenic alopecia and alopecia areata is that androgenic alopecia is the loss of hair due to increased sensitivity of hair follicles to dihydrotestosterone while alopecia areata is the loss of hair due to an autoimmune disease that affects hair follicles. Androgenic alopecia and alopecia areata are two common disorders that affect […]
What is the Difference Between Septic Arthritis and Rheumatoid Arthritis
The key difference between septic arthritis and rheumatoid arthritis is that septic arthritis is swelling and tenderness of joints in the body due to an infection caused by a germ such as a bacterium, while rheumatoid arthritis is swelling and tenderness of joints in the body due to an autoimmune disease. Arthritis is a medical […]
What is the Difference Between Massive and Submassive Pulmonary Embolism
The key difference between massive and submassive pulmonary embolism is that massive pulmonary embolism is the obstruction of the pulmonary artery with systemic hypotension, while submassive pulmonary embolism is the condition where individuals suffer from pulmonary embolism with right ventricular dysfunction or myocardial necrosis but without systemic hypotension. Pulmonary embolism is a disease condition caused […]
What is the Difference Between Integumentary Pharyngeal and Septal Nephridia
The key difference between integumentary pharyngeal and septal nephridia is that integumentary nephridia occur on all segments except the first two while pharyngeal nephridia occur in the 4th, 5th, and 6th segments and septal nephridia occur between the 15th and 16th segments. The evolution of excretory systems in organisms shows the diversity of different levels […]
What is the Difference Between Alpha and Beta Hemolytic Streptococci
The key difference between alpha and beta hemolytic Streptococci is that alpha hemolytic Streptococci are a group of Streptococci bacteria that display partial hemolysis of red blood cells in the blood agar media, while beta-hemolytic Streptococci are a group of Streptococci bacteria that display complete hemolysis of red blood cells in the blood agar media. […]
What is the Difference Between Merocrine and Holocrine Glands
The key difference between merocrine and holocrine glands is that merocrine glands can secrete substances without damaging the cells while the secretions caused by holocrine glands destroy the cells. A gland is an organ that produces and releases substances to perform a specific function. There are two types of glands in the body. Endocrine glands […]
What is the Difference Between Ascolichen and Basidiolichen
The key difference between ascolichen and basidiolichen is that in ascolichen, the fungal partner of the lichen belongs to ascomycetes, while in basidiolichen, the fungal partner of the lichen belongs to basidiomycetes. Lichen is a composite organism. It arises from the mutualistic relationship between algae or cyanobacteria with a fungal species. Generally, lichens have different […]
What is the Difference Between Pronephric Mesonephric and Metanephric Kidney
The key difference between pronephric mesonephric and metanephric kidney is that pronephric kidney is the earliest nephric stage while mesonephric kidney develops between the sixth and tenth week and metanephric kidney develops and functions between fifth to the twelfth week in the embryonic development stage. The kidneys and urinary tract develop simultaneously from the cloaca […]
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