36 results found

Search Results for: contractile

Contractile vacuole

Definition noun, plural: contractile vacuoles (cell biology) A specialized vacuole of eukaryote cells, especially protozoa,... Read More

Muscle

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

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

Plant Cells vs. Animal Cells

Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More

Amoeba

In protistology, amoeba specifically pertains to the genus Amoeba (true amoeba) of the family Amoebidae, class Tubulinea.... Read More

Pseudopodia

A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More

Sarcomere

Definition noun, plural: sarcomeres A segment consisting of a highly organized assembly of filaments delimited by two Z... Read More

Myoepithelial cell

Definition noun, plural: myoepithelial cells (1) (histology) A slender, spindle-shaped contractile cell forming the thin... Read More

Involuntary muscle

A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More

Lymph capillary

Definition noun, plural: lymphatic capillaries (anatomy) A minute, thin-walled vessel of the lymphatic system that is... 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

Lymphatic duct

Definition noun, plural: lymph ducts A lymphatic vessel that carries lymph and drain it into the subclavian... Read More

Balantidium coli

Definition noun A parasitic ciliate belonging to the family Balantiididae, and the causative agent of the balantidiasis... Read More

Myosin filament

myosin filament One of the contractile elements in skeletal, cardiac, and smooth muscle fibres; in skeletal muscle, the... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Muscle cell

Definition noun, plural: muscle cells Any of the long, tubular mature contractile cells that make up the muscle... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... Read More

Muscle

Definition ''noun, plural: muscles' An organ made up of muscle tissues, or the tissue itself, enabling contraction or... Read More

Unstriated muscle

unstriated muscle --> smooth muscle (Science: anatomy, pathology, physiology) muscle tissue in vertebrates made up from... Read More

Sarcoplasmic reticulum

Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More

Microfilament

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

Mammary gland

Mammary gland (Science: anatomy) milk producing gland of female mammals. An adapted sweat Gland, it is made up of milk... Read More

Thoracic duct

Definition noun, plural: thoracic ducts The lymphatic duct through which lymph from most of the peripheral lymph nodes... Read More

Ectoplasm

Definition noun, plural: ectoplasms The outer, non-granulated, clear portion of the cytoplasm of a cell Supplement The... 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

Dinoflagellate

A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... Read More

Thin filament

Definition noun, plural: thin filaments A type of myofilament that is made up of actin, troponin, and tropomyosin molecules,... Read More

Vacuole

Definition noun, plural: vacuoles (cell biology) A membrane-bound vesicle found in the cytoplasm of a cell whose function... 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

Iris

Iris Origin: L. Iris, iridis, the goddess, gr, the rainbow, iris of the eye, the plant iris. Cf. Orris. 1. The goddess of... Read More

Spectrin

Definition noun plural: spectrins spec·trin, spĕk′trĭn A cytoplasmic membrane structure with contractile dimeric... Read More