Search Results for: sacs
Golgi apparatus
Golgi Apparatus Definition The Golgi apparatus is a membrane-bound organelle in eukaryotic cells. It plays a crucial role... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... 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
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... 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
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... 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
Respiratory system
Definition noun An organ system comprised of organs and structures associated for respiration or gas exchange Supplement An... 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
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
Analogous structures
Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... 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
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Biological Cell Introduction
It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More
Pollen Grain
What are Pollen Grains? Plants are unique structures and so they carry out mechanisms in special ways. Fertilization in... Read More
Hydrophyte
Definition noun, plural: hydrophytes (botany) Any plant adapted to grow wholly or partly submerged in water or wet habitats;... Read More
Morphology
Morphology Definition Morphology means the study of the shape and structure of living things from a biological perspective.... 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
Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... 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
Protoplasm Definition The protoplasm is regarded as "the living material or the living content of a cell". It is fluid... 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