Simple columnar epithelium

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Simple columnar epithelium

A simple columnar epithelium is a columnar epithelium that is uni-layered. In humans, a simple columnar epithelium forms a lining in the uterus

Uterus

The uterus is a major female hormone-responsive reproductive sex organ of most mammals, including humans. It is within the uterus that the fetus develops during gestation....
and in most organs of the digestive tract including the stomach

Stomach

In most mammals, the stomach is a hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication....
, small intestine

Small intestine

In vertebrates, including mammals, reptiles, birds, and bony fish, the small intestine is the part of the gastrointestinal tract following the stomach, and is where the vast majority of digestion takes place....
, and large intestine

Large intestine

The large intestine is the last part of the digestive system?the final stage of the alimentary canal?in vertebrate animals. Its function is to absorb water from the remaining indigestible food matter, and then to pass this useless feces from the body....
.

Simple columnar epithelia are further divided into two categories: nonciliated and ciliated.

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Encyclopedia

A simple columnar epithelium is a columnar epithelium that is uni-layered. In humans, a simple columnar epithelium forms a lining in the uterus

Uterus

Stomach

In most mammals, the stomach is a hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication....
, small intestine

Small intestine

Large intestine

Nonciliated

Nonciliated columnar epithelia do not have cilia, and are found in the gastrointestinal tract

Gastrointestinal tract

The digestive tract is the system of Organ s within multicellular animals that takes in food, digestion it to extract energy and nutrients, and expels the remaining waste....
and the gallbladder

Gallbladder

The gallbladder is a small non-vital Organ which aids in the digestive process and concentrates bile produced in the liver....
where they perform secretion

Secretion

Secretion is the process of, elaborating and releasing Chemical compound from a cell , or a secreted chemical substance or amount of substance. In contrast to excretion, the substance may have a certain function, rather than being a waste product....
and absorption.

~usually absorbs through the digestive system ~located in the stomach and intestines,gallbladder, and excretory ducts of some glands. ~more function, more tissue, more cytoplasm ~ nucleus is closer to the basal surface ~ absorbs; seceretion of mucus enzymes and other substances; cillated type propels by cilary action.

Ciliated

Ciliated columnar epithelia move mucus

Mucus

In vertebrates, mucus is a slippery secretion produced by, and covering, mucous membranes. It is a viscous colloid containing antiseptic enzymes and immunoglobulins that serves to protect Epithelium in the respiratory,...
and other substances via cilia, and are found in the upper respiratory tract

Respiratory tract

In humans the respiratory tract is the part of the anatomy that has to do with the process of Respiration .The respiratory tract is divided into 3 segments:...
, the Fallopian tubes, the uterus

Uterus

Spinal cord

The spinal cord is a long, thin, tubular bundle of neuron and glia that extends from the brain. The brain and spinal cord together make up the central nervous system....
.

Ciliated columnar epithelium lines the lumen

Lumen (anatomy)

A lumen in biology is the inside space of a tubular structure, such as an artery or intestine. By extension, a lumen can also be the inside space of a cellular component or structure, such as the endoplasmic reticulum....
of the uterine tube, where currents generated by the cilia propel the egg cell toward the uterus

Uterus

The uterus is a major female hormone-responsive reproductive sex organ of most mammals, including humans. It is within the uterus that the fetus develops during gestation....
.

Additional images

External links

"Gall bladder" - Simple columnar epithelium - Uterine tube lumen