30 results found

Search Results for: cuticle

Cuticle

Definition noun The outermost, noncellular, protective covering of certain organisms Supplement The cuticle refers to the... Read More

Eponychium

The eponychium is the layer present underneath the proximal nail fold that produces cuticles on the nail.... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Cutin

Definition noun, plural: cutins (botany) A waxy polymer of hydroxy acids in the cuticle of plants (medicine) An animal... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Macrophytes

Introduction   Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More

Primary cell wall

Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More

Analogous structures

Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... 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

Seed Plants

There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More

Woodlouse

Definition noun, plural: woodlice Any of the terrestrial isopods that belong to the suborder... Read More

Albino

Definition noun, plural: albaninos An organism with albinism, which is a condition characterized mainly by a lack of or an... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Albinism

Definition noun A hereditary, congenital disorder characterized by the complete or partial lack of pigmentation production... Read More

CAM plant

Definition noun (botany) A plant that utilizes the Crassulacean acid metabolism (CAM) as an adaptation for arid... Read More

Triploblastic

Triploblastic Definition A triploblastic animal had three main layers of tissue during embryonic development. The central... Read More

Hair

Hair 1. The collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Hydrophyte

Definition noun, plural: hydrophytes (botany) Any plant adapted to grow wholly or partly submerged in water or wet habitats;... Read More

Nematode

Definition noun, plural: nematodes An unsegmented worm belonging to the phylum Nematoda; also called... Read More

Equisetum

Equisetum Origin: L, the horsetail, fr. Equus horse - seta a thick, stiff hair, bristle. (Science: botany) a genus of... Read More

Keratin

Keratin is a fibrous protein naturally present in hair, skin, and nails. In hair care, it serves as a protective and... Read More

Integumentary system

Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More

Integument

Definition noun (1) (anatomy) The outer protective covering of (the body of) an organism, such as cuticle, fur, shell, rind,... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Still Freshwater & Plants

Plants in the freshwater community provide a means of food for herbivores and harness new energy into the community as a... Read More