piles (Science: medicine) The small, troublesome tumours or swellings about the anus and lower part of the rectum which are technically called haemorrhoids. Origin: The singular pile is sometimes used. Blind piles, haemorrhoids which do not bleed. Origin: L. Pila a ball. Cf. Pill a medicine...
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
