Define Gonads, Structure, Testes, Ovaries, and Function

Define Gonads Define Gonads The male and female gonads are endocrine glands that produce sex hormones essential for the development of the reproductive organs and the proper functioning of the reproductive process. The gonads secrete the same set of hormones secreted by the adrenal cortex in the form of androgens. The release of hormones from … Read more

What are Eosinophils? Structure, & Functions of Eosinophils

What are Eosinophils? What are Eosinophils? Eosinophils are mobile phagocytic cells that play an important homeostatic role in defense against parasitic infections. Eosinophils are bone marrow-derived granulocytes that remain in the bloodstream for a shorter period and reside primarily in tissues. The functions of eosinophils are multifaceted, including antigen presentation, peptide release, lipid, and cytokine … Read more

What is Parathyroid Gland? functions, structure, and disease

What is Parathyroid Gland? What is Parathyroid Gland? The parathyroid is a type of endocrine gland found in the upper and lower poles of the thyroid. There are four parathyroid glands distributed as two glands on either side of the thorax. The number of parathyroid glands in humans can vary between people. Up to eight … Read more

What are Mast Cells? How do Mast Cells work against pathogens?

What are Mast Cells? What are Mast Cells? Mast cells are cells of the hematopoietic lineage immune system that remain widespread in vascularized tissues throughout the body. In contrast to other immune cells, mast cells do not remain in the blood, but rather remain located throughout the body in the mucous membrane and epithelial tissue. … Read more

What are Monocytes? How do Monocytes work against pathogens?

What are Monocytes? What are Monocytes? Monocytes are cells of the immune system that are immune effector cells with chemokine receptors and pathogen recognition receptors that circulate through the blood or remain localized in lymphoid organs. These cells makeup about 5% of the total circulating nucleated cells in human blood and have a half-life of … Read more

What are aquatic animals?

What are aquatic animals? Aquatic animals are those animals that live all the time or much of their life in water, whether sweet or salty. They can breathe oxygen dissolved in water (through gills or skin) or they can breathe it from the air (through lungs). The number of species that inhabit water is so vast that it … Read more

How do fish reproduce?

How do fish reproduce? Fish are marine vertebrate animals, abundant and diverse in the different oceans, lakes, and rivers of our planet. Many of them are part of the diet of humanity, while others can become pets. These are eukaryotic animal species. They breathe through gills and are endowed with fins instead of legs, distributed differently throughout … Read more

What is Microbiology? Importance, Types, and History

What is Microbiology? Importance, Types, and History

What is Microbiology? Importance, Types, and History What is Microbiology? Microbiology is one of the branches that make up biology and focuses on the study of microorganisms. It is dedicated to its classification, description, distribution, and analysis of its ways of life and functioning. In the case of pathogenic microorganisms, microbiology also studies their form of … Read more