60 results found

Search Results for: a band

A Band

The dark band of the muscle sarcomere that corresponds to the thick myosin (protein) filaments.The A band is situated on... Read More

Band cell

Definition noun, plural: band cells A cell derived from metamyelocyte and develops into a mature granulocyte during... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Muscular system

Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Metamyelocyte

Definition noun, plural: metamyelocytes A cell derived from myelocyte and develops into a band cell during... Read More

Adhesion

Definition noun (cell biology) The binding of a cell to another cell, or a cell to a surface, via specific cell adhesion... Read More

Casparian strip

Definition noun (botany) A strip or a band of cell wall material around the walls of endodermal cells of... Read More

Genetic locus

Definition noun, plural: genetic loci The location of a gene (or of a significant sequence) on a chromosome or on a linkage... Read More

Annular band

Annular band --> amniotic bands The strands of amniotic tissue adherent to the embryo or foetus; they may cause... Read More

Z disc

Definition noun, plural: Z discs The region or line formed in the sarcomere into which the thin filaments are... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Suberin

Definition noun, plural: suberins (botany) A lipophilic complex polyester biopolymer that occurs in the cell... Read More

Apoplast

Definition noun, plural: apoplasts (botany) The space in between the cells, such as that in the root of a plant, creating a... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Granulocyte

Definition noun, plural: granulocytes A leukocyte characterized by the presence of numerous staining granules in the... 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

Granulopoiesis

Definition noun The hematopoiesis of granulocytes Supplement Hematopoiesis is the process of forming new blood cellular... Read More

Microfilament

Definition noun plural: microfilaments mi·cro·fil·a·ments, mī'krō-fil'ă-mĕnts A thin, helical, single-stranded... Read More

Chromosome

Chromosomes Definition Chromosomes are the thread-like structure present in the nucleus of plant and animal cells.... Read More

Liana

Liana (Science: botany) a luxuriant woody plant, climbing high trees and having ropelike stems. The grapevine often has the... Read More

Shelter

shelter 1. That which covers or defends from injury or annoyance; a protection; a screen. The sick and weak the healing... Read More

Cyanobacteria

Cyanobacteria Definition Cyanobacteria is a group of photosynthetic bacteria widely distributed in various aquatic habitats... Read More

Absorption

Definition noun, plural: absorptions The process of absorbing or assimilating substances into cells or across the tissues... Read More

Columnae carneae

Definition noun Muscular ridges or columns projecting from the inner walls of the heart ventricles. Supplement Their... Read More

Volar carpal ligament

volar carpal ligament --> transverse carpal ligament (Science: anatomy) A strong fibrous band crossing the front of the... Read More

Fixation

Definition noun, plural: fixations (biological technique) The use of a fixative to preserve histological, cytological, or... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Chromosome 2

Definition noun In humans, the autosome that is considered as the second-largest, spanning more than 242 million base pairs,... Read More

Sex-determining Region Y gene

Definition noun The gene that codes for the SRY protein, which is associated with the testicular development in many male... Read More

Plica vestibularis

plica vestibularis --> vestibular fold One of the pair of folds of mucous membrane stretching across the laryngeal cavity... Read More

Erythrocyte

Definition noun, plural: erythrocytes A blood cell with hemoglobin-rich cytoplasm and whose main function is to transport... Read More

Laciniate ligament

Laciniate ligament --> flexor retinaculum of lower limb a wide band passing from the medial malleolus to the medial and... Read More

Eosinophil

Definition noun, plural: eosinophils A type of polymorphonuclear leukocyte characterized by having a kidney-shaped nucleus,... Read More

Fimbria

Definition noun, plural: fimbriae (1) (microbiology) A short, filamentous projection on a bacterial cell, used not for... Read More

Amoeba

Amoeba Definition The term amoeba is used to generally refer to any cell that exhibits an amoeboid movement. An amoeboid... Read More

The Evolution of Cell Organelles

The previous tutorial page noted the emergence of protists, organisms that possessed a distinct cell nucleus and contained... Read More

Clitellum

clitellum It is the band of glandular tissue in earthworm that secretes a viscid sac in which the eggs are deposited. Once... Read More