Search Results for: layer
Mesophyll layer
Definition noun, plural: mesophyll layers (botany) The tissue in the interior of a leaf made up of photosynthetic... Read More
Malpighian layer
Definition noun The lower layer of epidermis consisting of non-keratinized, viable cells, in contrast to the outer (upper)... Read More
Basal layer
Definition noun (1) The innermost layer of the epidermis made up of basal or germinative cells capable of proliferating by... Read More
Mantle layer
Mantle layer The nuclear zone of the developing neural tube between the marginal layer and the ependymal layer; forms the... Read More
Peritoneum
What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More
Glycocalyx
What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Thin-layer chromatography
Definition noun An alternative form of thin layer chromatography, a type of chromatography using a thin layer of stationary... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Slime layer
Definition noun An irregular, diffuse, unorganized form of glycocalyx in bacterial cells, comprised mostly of... Read More
Simple squamous epithelium
Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Triploblastic
Triploblastic Definition A triploblastic animal had three main layers of tissue during embryonic development. The central... Read More
Community Patterns
By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More
Eponychium
The eponychium is the layer present underneath the proximal nail fold that produces cuticles on the nail.... Read More
Boundary layer
Boundary layer (Science: radiobiology) in fluid flow, a narrow region next to a fixed boundary or surface where the fluid... Read More
Stratified columnar epithelium
A stratified columnar epithelium (plural: stratified columnar epithelia) is a type of stratified epithelium in which the... Read More
Epithelium
An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More
Stratified squamous epithelium
Definition noun, plural: stratified squamous epithelia A type of stratified epithelium in which the topmost layer is made up... Read More
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Stratified epithelium
Definition noun, plural: stratified epithelia An epithelial tissue comprised of more than one layer of epithelial cells,... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Diarthrodial joint
What is a diarthrodial joint? A diarthrosis joint is a freely moving joint characterized by its mobility and joint cavity... Read More
Phelloderm
Definition noun, plural: phelloderms (botany) A part of the periderm made up of cells produced inwardly by the cork... Read More
Bone matrix
Bone Matrix Definition Bone matrix refers to the matrix component of bone tissue. It provides the structural framework and... Read More
Primary cell wall
Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More
Stratum germinativum
Definition noun The innermost layer of the epidermis comprised of keratinocyes capable of proliferating by mitosis,... Read More
Osseous tissue
What Is Bone Or Osseous Tissue? Osseous tissue is the structure providing, hard and mineralized connective tissues. Osseous... Read More
