What is the word stroma mean?

supporting framework
1 : the supporting framework of an animal organ typically consisting of connective tissue. 2 : the spongy protoplasmic framework of some cells (as a red blood cell) Other Words from stroma. stromal \ -​məl \ adjective.

What is parenchyma and stroma?

Stroma (from Greek στρῶμα ‘layer, bed, bed covering’) is the part of a tissue or organ with a structural or connective role. The other part, the parenchyma, consists of the cells that perform the function of the tissue or organ.

What is the stroma of an organ?

connective tissue
Stroma is the connective tissue just below the surface of an organ. It is a special type of tissue that helps hold the other parts of the organ together. Stroma is made up of cells that give the tissue its strength and shape.

Are epithelial cells stromal cells?

The stromal compartment of organs is composed of all the non-epithelial cell types and maintains the proper architecture and nutrient levels required for epithelial and, ultimately, organ function. The composition of the reactive stroma surrounding tumors is vastly different from normal stromal tissue.

Where does the name stroma come from?

Stroma is part of the county of Caithness. The name is from the Old Norse Straumr-øy meaning “island in the [tidal] stream”.

What is the stroma of the liver?

Stroma, which is a continuation of the surrounding capsule of Glisson. It consists of connective tissue and contains the vessels. The capsule is also covered by a layer of mesothelium, arising from the peritoneum covering the liver.

What is stroma of breast?

When compared to normal tissues, the stroma accompanying breast tumors contains an increased number of fibroblasts and immune cell infiltrates, enhanced capillary density, increased collagen I and fibrin deposition, all which collectively alter the structure and stiffness of the ECM and induce changes in signaling …

What is the function of stromal cells?

Stromal cells are connective tissue cells of any organ, and they support the function of the parenchymal cells of that particular organ.

What is the Stroma in biology?

Stroma, in botany, refers to the colorless fluid surrounding the grana within the chloroplast. Within the stroma are grana (stacks of thylakoid), and the sub-organelles or daughter cells, where photosynthesis is commenced before the chemical changes are completed in the stroma.

Which is the best definition of Stroma in biology?

1 Stroma Definition. Stroma commonly refers to the fluid filled inner space of chloroplasts surrounding thylakoids and grana. 2 Structure of Chloroplast Stroma. 3 Function of Chloroplast Stroma. 4 Calvin Cycle: Light-Independent Reactions. 5 Stroma in Animal Tissue. 6 Examples of Animal Stroma. 7 Related Biology Terms.

What is the English dictionary definition of oedematous?

Define OEdematous. OEdematous synonyms, OEdematous pronunciation, OEdematous translation, English dictionary definition of OEdematous. a. 1. Pertaining to, or of the nature of, edema; affected with edema.

Which is the best description of an oedema?

An accumulation of an excessive amount of watery fluid in cells, tissues, or serous cavities. Synonym (s): oedema. Excessive accumulation of fluid, mainly water, in the tissue spaces of the body. Oedema may be local, as at the site of an injury, or general.

Is the stroma composed of loose connective tissue?

The stroma is composed of loose connective tissue and is edematous. (4) Allergic polyps also contain an edematous stroma but are predominantly composed of eosinophils.