54 results found

Search Results for: projections

Pseudopodia

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

Lacuna

Definition of Lacuna What is lacuna? The word "lacuna" (noun, plural: lacunae) is derived from the Latin word- 'lacus',... Read More

Dendrite

Definition noun, plural: dendrites (1) Any of the threadlike extensions or projections of the cytoplasm of a neuron;... Read More

Chromosome

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

Projections

projection system The system of axons carrying stimuli from one portion of the nervous system to other... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... 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

Hirsuties coronae glandis

Definition noun The small bumps on the ridge on certain human glans penis Supplement Hirsuties coronae glandis are small... Read More

Amoeboid

Definition noun, plural: amoeboids (1) A group of protozoans characterized by their amoeboid movement by means of temporary... Read More

Microvillus

Definition noun, plural: microvilli Any of the minute hairlike structures projecting from the exposed surface of the cell in... Read More

Horn

Horn 1. A hard, projecting, and usually pointed organ, growing upon the heads of certain animals, especially. Of the... 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

Axon hillock

Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Intracellular digestion

Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More

Penile spine

Definition noun, plural: penile spines Any of the spiny projections along the glans or the shaft of the penis Supplement The... Read More

External urethral orifice

Definition noun The meatus of the urethra where urine is excreted in both males and females, and where semen is ejected in... Read More

Areolar gland

Definition noun, plural: areolar glands Any of the sebaceous glands in the areola surrounding the nipple Supplement Areolar... Read More

Amoebozoa

Definition noun A taxonomic group including the amoeboid protists that are characterized by having pseudopods and a cell... Read More

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Digestive Enzymes

Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... Read More

Simple columnar epithelium

Definition noun, plural: simple columnar epithelia Simple epithelium composed of columnar epithelial cells Supplement A... Read More

Blood-brain barrier

Definition noun A semipermeable membrane that serves as a selective barrier separating the circulating blood and the... Read More

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... 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

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

Muscle

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

Digestion and Absorption of Food

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

How Celiac Disease Affects The Digestive System

Celiac disease is a condition that affects the digestive systems of many individuals all over the world, and in this... Read More

Global Carbon Cycling on a Heterogeneous Seafloor

Carbon, nitrogen and oxygen are the fundamental elements of life on Earth. Global carbon varies in amount and its... Read More

Nervous tissue

Definition noun A type of animal tissue comprised principally of nerve cells and neuroglia cells Supplement The four... Read More

Osteocyte

Osteocyte Definition The osteocyte is a mature bone cell. Other bone cell types are osteoprogenitor cells, osteoblasts, and... Read More

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More

Host cell

Host Cells Definition What is a host cell? A host cell is a living cell that serves as a shelter and a food source to the... Read More

Cell

A biological cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Descriptive

Descriptive Tending to describe; having the quality of representing; containing description; as, a descriptive figure; a... Read More

Barb

Barb 1. To shave or dress the beard of. 2. To clip; to mow. 3. To furnish with barbs, or with that which will hold or hurt... Read More

Foliate papillae

Foliate papillae Numerous projections arranged in several transverse folds upon the lateral margins of the tongue just in... Read More