Useful english dictionary. 2012.
Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… … Wikipedia
layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam … Medical dictionary
Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell … Wikipedia
sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu … Medical dictionary
Bone marrow — Simplified illustration of cells in bone marrow. Latin medulla ossium Code TA … Wikipedia
Oscar Hertwig — Born 21 April 1849 Friedberg, Hesse … Wikipedia
Head and neck anatomy — focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat. It is an area frequently studied in depth by surgeons, dentists, dental… … Wikipedia
Medullary cord — A medullary cord is a portion of the medulla of the lymph node which contains lymphatic tissue and project into the medullary sinus. B cells and plasma cells are the main cell types found in the medullary cords. External links Histology at BU… … Wikipedia
Mucosa-associated lymphoid tissue — MALT redirects here. For germinated cereal grains, see Malt. The mucosa associated lymphoid tissue (MALT) (also called mucosa associated lymphatic tissue) is the diffusion system of small concentrations of lymphoid tissue found in various sites… … Wikipedia
Medulla of lymph node — Schematic of lymph node showing lymph sinuses Latin medulla nodi lymphoidei The medulla of lymph node … Wikipedia
