Search Results for: tip
Apical bud
Apical Bud Definition The apical bud is the type of bud located at the top (apex) of the plant, particularly at the very... Read More
Plant Auxins – Phototropism & Geotropism
As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More
Null hypothesis
Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More
Growth and Plant Hormones
Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More
Hyperosmotic
Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Intercalary meristem
The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More
Glans penis
Definition noun, plural: glans penises (anatomy) The conical expansion of the corpus spongiosum that forms the head of the... Read More
Pluripotent
Pluripotent Definition What is pluripotent? In biology, the term "pluripotent" means capable of developing into... Read More
Bryophytes
Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More
Interneuron
Definition noun, plural: interneurons (1) Any local circuit neuron of the central nervous system that relays impulses... Read More
Terminal bud
Definition noun, plural: terminal buds (botany) The bud located at the tip of a stem. Supplement Buds may be classified and... Read More
Primary xylem
Definition noun, plural: primary xylems The xylem formed during the primary growth from procambium of root and shoot... Read More
Merkel disk receptor
Definition noun A single sensory nerve ending characterized by a terminal cuplike, expanded tip that is in contact with the... 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
Hyposmotic
Definition adjective 1. Of, relating to, or characterized by having a lower osmotic pressure than a surrounding fluid under... Read More
Tap water enema
An injection of plain water into the rectum in order to stimulate a bowel movement. Uusally given to relieve constipation... Read More
Robbins & Cotran Pathologic Basis of Disease (7th Ed) by V. Kumar et al.
Robbins & Cotran Pathologic Basis of Disease, Seventh Edition ... Read More
Horseshoe crab
Definition noun, plural: horseshoe crabs A crab-like marine chelicerate arthropod of the taxonomic family... Read More
Archaellum
Definition noun, plural: archaella A whip-like structure of filaments that extends outside the cell of many... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
External urethral orifice
Definition noun The meatus of the urethra where urine is excreted in both males and females, and where semen is ejected in... Read More
Apical meristem
Definition noun, plural: apical meristems (botany) A type of meristematic tissue that is located at the tips or terminal... Read More
Fruits, Flowers, and Seeds
Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Plant sets off “SOS” for plant defense when it gets hurt
When herbivore, such as an insect, nibbles a plant leaf, the plant sets off an "SOS" or distress signal as one of the... Read More