Search Results for: mucus
Biological Cell Defense
Organisms must find a means of defense against antigens such a viruses described on the previous tutorial. If this was not... 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
Gastric juice
Definition noun The acidic digestive fluid secreted by various glands in the stomach lining into the lumen of the stomach,... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Menstruation
Definition noun The periodic physiologic discharge through the vagina of blood, cervical mucus, vaginal secretions, and... Read More
Lacrimation
Definition noun, plural: lacrimations The shedding of tears; crying; tearing Supplement Lacrimation refers to the shedding... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Gastric gland
Definition noun, plural: gastric glands Any of the glands in the stomach responsible for producing components of gastric... Read More
Apocrine gland
The human body is a complex assemblage of many different organs, systems, glands, bones, and tissues. Weighing any one over... Read More
Cystic fibrosis
Definition noun An autosomal recessive disorder caused by mutations in the gene that encodes for cystic fibrosis... Read More
Gastric acid
Definition noun (1) The hydrochloric acid present in the gastric juice (2) The gastric juice itself Supplement The gastric... Read More
Hypermenorrhoea
Definition noun The extremely heavy or long periods of menstrual period in a woman of reproductive... Read More
Glycocalyx
What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More
Uterine cycle
Definition noun The cycle that depicts the changes in the endometrial lining occurring during a menstrual cycle, and is... Read More
Columnar epithelium
Definition noun, plural: columnar epithelia An epithelial tissue comprised of columnar epithelial cells, with or without... Read More
Polymenorrhoea
Definition noun A menstrual cycle disorder experienced by certain women, and is characterized by menstrual cycles with... Read More
Saline solution
Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More
Oropharynx
Definition noun, plural: oropharynges, oropharynxes (anatomy) The oral part of the pharynx, located behind the oral... Read More
Simple columnar epithelium
Definition noun, plural: simple columnar epithelia Simple epithelium composed of columnar epithelial cells Supplement A... Read More
Pseudostratified columnar epithelium
Definition noun, plural: pseudostratified columnar epithelia A special type of columnar epithelium composed of a single... Read More
Body fluid
Body Fluids Definition What is body fluid? Literally, body fluid is the fluid of the body. The adult human body is ~50-60%... 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
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Reproductive system
What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More
Entamoeba histolytica
Definition noun A disease-causing anaerobic protozoan species capable of causing entamoebiasis and amebic dysentery to its... Read More
Prodromal period
There are five stages (or phases) of a disease. (Hattis, 2020). These stages are (1) Incubation period, (2) Prodromal... Read More
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More