42 results found

Search Results for: sacs

Sacs

sacs (Science: ethnology) A tribe of indians, which, together with the foxes, formerly occupied the region about green bay,... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Dichorionic-diamniotic twins

Definition noun Twins with separate chorions and amniotic sacs in utero Supplement Twins may be classified according to the... Read More

Humans are Omnivores – Evidence

A number of popular myths about vegetarianism sprung with no scientific basis. One example of such a myth is that man is... Read More

Ear

Ear 1. The organ of hearing; the external ear. in man and the higher vertebrates, the organ of hearing is very complicated,... Read More

Alveolus

Definition noun, plural: alveoli (1) pulmonary alveolus; air sac (2) (general) A concave cavity or pit alveolar,... Read More

Air sac

Air sac (Science: zoology) Thin-walled sacs or spaces which function as a part of the respiratory system in birds, fishes,... Read More

Twins

Definition noun, singular: twin (1) Two siblings from the same pregnancy and birth (2) (general) Two closely related and... Read More

Organelle

An organelle refers to any of the various cellular structures that perform a distinctive function inside a cell. The cell is... Read More

GERL

Definition noun Acronym for Golgi - Endoplasmic Reticulum - Lysosome complex, a system found in the cell that involves... Read More

Lung unit

Lung unit a respiratory bronchiole together with the alveolar ducts and sacs and pulmonary alveoli into which the... Read More

Cisterna

Definition noun plural: cisternae cis·ter·na, sɪˈstɜːnə (cell biology) The flattened membrane disk containing... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with the nucleus. However, they are... Read More

Cell Biology

It only takes one biological cell to create an organism. In fact, there are countless species of single celled organisms,... Read More

Oogonium

Definition noun, plural: oogonia (zoology) The diploid female gametogonium that gives rise to primary oocyte through... Read More

Omnivorous diet

Definition noun A type of diet in which both animal and plant matter are the main food source Supplement An omnivorous diet... Read More

Smooth endoplasmic reticulum

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

Amniotic sac

Definition noun, plural: amniotic sacs Fluid-filled sac where the embryo or fetus is suspended in the uterus or in the of... Read More

Analogous structures

In evolutionary biology, analogous structures are defined as biological structures having similar or corresponding functions... 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

Omnivore

Omnivore Definition Omnivores are animals that include both plant and animal matter in their normal diet. They differ from... Read More

Infundibulum

Definition noun, plural: infundibula (anatomy) Any of the various funnel-shaped bodily cavities, openings, or... Read More

Sarcoplasmic reticulum

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

Bronchioles

Bronchioles The tiny branches of air tubes within the lungs which are the continuation of bronchi and connect to the alveoli... Read More

Cell

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

Olfactory

olfactory (Science: physiology) Of, pertaining to, or connected with, the sense of smell; as, the olfactory nerves; the... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Cytoplasm

Cytoplasm definition noun plural: cytoplasms cy·to·plasm, ˈsaɪtoʊˌplæzəm The contents of a cell surrounded by... Read More

Cistern

Definition noun, plural: cisterns (general) A reservoir or tank for storing water, especially a tank for holding rainwater... Read More

Rough endoplasmic reticulum

Definition noun plural: rough endoplasmic reticula (cell biology) A type of endoplasmic reticulum wherein polyribosomes... Read More

Arachnida

Arachnida (Science: zoology) One of the classes of arthropoda. They have four pairs of legs, no antennae nor wings, a pair... 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

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Protoplasm

Definition noun plural: protoplasms pro·to·plasm, ˈprəʊtəˌplæzəm The fluid living content of the cell that... Read More

Alveolar duct

Alveolar duct The part of the respiratory passages distal to the respiratory bronchiole; from it arise alveolar sacs and... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Yolk sac

Definition noun, plural: yolk sacs A membranous sac formed by the hypoblast and encases the yolk of eggs in bony fishes,... Read More