29 results found

Search Results for: upright

Turgidity

Turgidity Definition Turgidity is the state of being turgid or swollen, especially due to high fluid content. In a general... Read More

Turgor pressure

In biology, turgor pressure pertains to the pressure that is exerted by the fluid (e.g. water) against the cell wall. It is... Read More

Plasmolysis

Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More

Control of Body Movement

Motor Control Hierarchy A motor program is the pattern of neural activities required to perform a movement is created and... Read More

The Homo Species

Over the long term, it looked like Homo would supersede any ‘similar model’ of animals due to their unique tool using... Read More

Ecological pyramid

Definition noun A graphical representation in the shape of a pyramid to show the feeding relationship of groups of... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Erect

Erect 1. Upright, or having a vertical position; not inverted; not leaning or bent; not prone; as, to stand erect. Two of... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More

Plant Meristems and Growth

A common mistake that many people assume is that an increase in size means an increase in growth. This is not the case.... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Vascular Plants: Ferns and Relatives

These plants are seedless plants, but unlike the bryophytes, they do have vascular tissue (xylem and phloem). Because of the... Read More

Synapsid

Any member of the Synapsida clade of animals is referred to as a synapsid. They are believed to have descended from the... Read More

Terrestrial plant

Definition noun, plural: terrestrial plants Any animal that lives, grows and reproduce in aquatic... Read More

Phylogenetics

Phylogenetics Definition Phylogenetics is the scientific study of phylogeny. It studies evolutionary relationships among... Read More

Labia

Labia Definition Often, when persons think of the female reproductive system, they think of the vagina. However, the female... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Osmosis

Osmosis is the net movement of solvent molecules through a semipermeable membrane. It is similar to diffusion as the... Read More

Foramen magnum

Definition noun A large opening in the anterior inferior portion of occipital bone in the cranium that serves an outlet of... Read More

Hypotonic

Hypotonic Definition Hypotonic is a term used to describe an entity being in the state of hypotonicity. Hypotonicity refers... Read More

Stretch reflex

Definition noun A reflex contraction of a muscle when the muscle proprioceptors (e.g. muscle spindles) are... Read More

Standing plasma test

standing plasma test If plasma is stored at 4?C upright in a test tube, chylomicrons will float to the top and form a creamy... Read More

Mantis

Mantis Definition A mantis (plural: mantises or mantes) refers to any of the insects that belong to the order Mantodea... Read More

Plantigrade

plantigrade (Science: zoology) walking on the sole of the foot; pertaining to the plantigrades. Having the foot so formed... Read More

Transport

In biology, transport refers to the act or the means by which a molecule or ion is moved across the cell membrane or via the... Read More

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Hypertonic

Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... Read More

Breast

Breast to meet, with the breast; to struggle with or oppose manfully; as, to breast the storm or waves. The court breasted... Read More

Effects of Gravity on Sleep

Gravity is a natural phenomenon that affects all things particularly all living creatures from cell to human being. It has... Read More