34 results found

Search Results for: esophagus

Alimentary canal

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

Pharynx

Lined with moist tissue, the pharynx is like a bustling biological highway that directs food and air to their respective... Read More

Peristalsis

What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More

Digestion and Absorption of Food

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

Deglutition

Definition noun (physiology) The act or process of taking (food or drink) to the mouth and then conveying it through the... Read More

Thyropharyngeus

Definition noun (anatomy) The superior muscle arising from the thyroid cartilage, and, together with cricopharyngeus,... Read More

Laryngopharynx

Definition noun, plural: laryngopharynges, laryngopharynxes The caudal part of the pharynx, connects to the... Read More

Swallow

Definition noun, plural: swallows (physiology) The act of swallowing (ornithology) Any of the passerine bird species of the... Read More

Intracellular digestion

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

Digestive system

Definition noun A system of organs in which the major function is to convert food into simpler, absorbable nutriments to... Read More

Phylum

Just like it is easy to identify and sort anything in the supermarkets when placed in the right section with proper display... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... 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

Peptic ulcer

Definition noun, plural: peptic ulcers An ulcer in certain areas in the gastrointestinal tract caused in part by diminished... Read More

Superior pharyngeal constrictor

Definition noun (anatomy) The quadrilateral muscle in the pharynx, located superior to other pharyngeal constrictor muscles,... Read More

Oropharynx

Definition noun, plural: oropharynges, oropharynxes (anatomy) The oral part of the pharynx, located behind the oral... Read More

Human Biology – Food and Digestion

Food is what is required by humans to grow and survive, and provide a 'fuel' for the energy needed in our biological... Read More

Nasopharynx

Definition noun, plural: nasopharynges or nasopharynxes (anatomy) The part of the pharynx extending from the posterior... 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

Bolus injection

A bolus injection is the act of administering a dose of medication or substance directly into the bloodstream by injection.... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Thoracic cavity

Definition noun The body cavity of the human body (and other animal bodies) protected by the thoracic walls, and located... Read More

Foregut

Definition noun (1) The anterior part of the alimentary canal that begins at the mouth to the end of the stomach or gizzard... Read More

Longitudinal section

Longitudinal Section Definition To describe the direction of movements and location of different body structures, a... Read More

Peritoneum

What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More

Stoma

Definition noun, plural: stomata (botany) A tiny pore in a plant leaf surrounded by a pair of guard cells that regulate its... Read More

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Assimilation

Assimilation Definition What is assimilation? Assimilation in biology is defined as the process in which living organisms... 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

Candida albicans

Definition noun A yeast-like fungus that abounds in nature and part of the gut flora. However, it is an opportunistic... Read More

Bile

Have you ever wondered how the fats from butter, cheesy burgers, and pizzas get digested in your body? Or have you heard of... 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

Convoluted

The word convoluted is often used to describe different things, especially structures or components, that have overlapped.... Read More