A red dye used in histology and cytology to stain tissue sections, often in combination with hematoxylin.

A type of white blood cell involved in the immune response, especially in fighting parasitic infections and allergic reactions.

The layer of epithelial cells that line the ventricles of the brain and the central canal of the spinal cord.

A type of glial cell found in the ependyma that produces cerebrospinal fluid and helps circulate it throughout the central nervous system.

Inflammation of the ependyma, which can occur due to infections or other conditions affecting the central nervous system.

The layer of cells in the early embryo that forms part of the ectoderm and will eventually give rise to the skin and nervous system.

Relating to the endothelium, the thin layer of cells that line the interior surface of blood vessels and lymphatic vessels.

The single layer of cells that forms the lining of blood vessels and lymphatic vessels, playing a crucial role in vascular health and permeability.

An organism that is able to regulate its body temperature through internal processes, commonly referred to as warm-blooded.

Describing a reaction or process that absorbs heat from its surroundings, such as in the case of endothermic organisms or chemical reactions.