Lamina Definition Biology

The lamina propria is a large layer of connective tissue which separates the innermost layer of epithelial cells from a layer of smooth muscle tissue called the muscularis mucosa.

Lamina definition biology. Free learning resources for students covering all major areas of biology. The lamina propria is one of three layers which make up the mucosa or mucous membrane. The nuclear lamina is a dense fibrillar network inside the nucleus of most cells. The nuclear lamina is associated with the inner face of the double bilayer.

Definition of lamina 1. A thin plate or scale. It closely follows the plasma membrane of the basal aspect of the adjacent cell layer from which it is separated by the lamina lucida or the lamina rara in the renal glomerulus and pulmonary alveolus. Besides providing mechanical support the nuclear lamina regulates important cellular events such as dna replication and cell division.

Definition noun histology a layer of extracellular matrix found on the basal surface of epithelial cell s and which is secreted by the epithelial cell s. This can be seen in the image below of a small intestine. Lamina in the largest biology dictionary online. It is composed of intermediate filaments and membrane associated proteins.

Additionally it participates in chromatin organization and it anchors the nuclear pore complexes embedded in the nuclear envelope.