75 results found

Search Results for: apical

Apical meristem

Definition noun, plural: apical meristems (botany) A type of meristematic tissue that is located at the tips or terminal... Read More

Apical Dominance

a condition where vertical growth supercedes lateral growth in a plant. this is controlled by auxins, where in high... Read More

Apical plasma membrane

Apical plasma membrane (Science: cell biology) The term used for the cell membrane on the apical (inner or upper) surface of... Read More

Apical complex

Definition noun An organ complex of the Apicomplexa that appears as a conical structures on the tapered end (or the apical... Read More

Apical bud

Definition noun, plural: apical buds (botany) The bud located at the top of the plant. Supplement Buds may be classified and... Read More

Apical Growth

Growth promoted by the apical Meristem region of plants (at the root and shoot... Read More

Apical Meristem

Meristems are areas in plants where mitosis occurs, and due to this cell division, it is also where growth occurs. Lateral... Read More

Apical

Situated at an apex.apical (Science: anatomy) Relating to or located at the tip (an apex). In relation to the apex of a stem... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... Read More

Apicomplexa

Definition noun A phylum comprised of protozoans characterized by having a special organelle called an apical complex, and... Read More

Plant Meristems and Growth

A common mistake that many people assume is that an increase in size means an increase in growth. This is not the case.... Read More

Turgor pressure

In biology, turgor pressure definition pertains to the pressure that is exerted by the fluid (e.g. water) against the cell... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with the nucleus. However, they are... Read More

Ground meristem

Definition ''noun, plural: ground meristem (botany) The primary meristematic tissue from where the ground tissues (i.e.... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Primary meristem

Definition noun, plural: primary meristems (''botany') A type of meristem that is involved in the primary growth and thus... Read More

Protoderm

Definition noun, plural: protoderms (botany) The primary meristem from where the epidermis of the plant are... Read More

Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae)

Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae) VIANNA, Wânia de Oliveira, SOARES, Marli Kasue Misaki... Read More

Merozoite

Definition noun, plural: merozoites A cell formed during the asexual division of the schizont; a stage in the life cycle of... Read More

Procambium

Definition noun, plural: procambia (botany) The primary meristem where the primary vascular tissues develop... Read More

Terminal web

Definition noun (cell biology) The subapical zone rich in microfilaments, and acts as the attachment point for the bundles... Read More

Root cap

root cap (Science: botany) A mass of parenchymtous cells which covers and protects the growing cells at the end of a root; a... Read More

Chlorophyta

Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats. Some of them are found in... Read More

Plant Auxins – Phototropism & Geotropism

As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More

Foveolar cell

Definition noun, plural: foveolar cells Any of the epithelial cells that line the surface of gastric mucosa and gastric... Read More

Pith

Pith Definition In general, the term "pith" refers to the "soft inner portion" of something. In botany, a pith refers... Read More

Primary xylem

Definition noun, plural: primary xylems The xylem formed during the primary growth from procambium of root and shoot... Read More

Meristem

Definition noun, plural: meristems (''botany') An undifferentiated plant tissue that can give rise to different tissues and... Read More

Dominance

Definition noun (general) The state of being dominant; supremacy (genetics) The property of a gene (or allele) when it... Read More

Trophozoite

Definition noun, plural: trophozoites The active, amoeboid cell form that occurs during the feeding stage in the life cycle... Read More

Pendulous

pendulous Drooping, of ovules, attached at the top of the ovary and hanging downwards from an apical... Read More

Columnar epithelium

Definition noun, plural: columnar epithelia An epithelial tissue comprised of columnar epithelial cells, with or without... Read More

Stratified cuboidal epithelium

Definition noun, plural: stratified cuboidal epithelia A type of stratified epithelium in which the topmost layer is made up... Read More

Stratified columnar epithelium

A stratified columnar epithelium (plural: stratified columnar epithelia) is a type of stratified epithelium in which the... Read More

Stratified epithelium

Definition noun, plural: stratified epithelia An epithelial tissue comprised of more than one layer of epithelial cells,... Read More

Moss

moss To cover or overgrow with moss. An oak whose boughs were mossed with age. (Shak) Origin: Mossed; Mossing. 1. (Science:... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More