23 results found

Search Results for: rudimentary

Embryo

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Vestigial

Vestigial (organ) is a degenerate organ or structure or physical attribute that has little to no function in the species but... Read More

Cilium

Cilia Definition Cilia are hair-like structures found on the surface of many types of cells, including some mammalian... Read More

Horse

Horse 1. To provide with a horse, or with horses; to mount on, or as on, a horse. Being better horsed, outrode me. 2. To sit... Read More

Book lungs

Book Lungs Definition Lungs are known as the organs that help organisms breathe. When we think of lungs, we think of the... Read More

Head kidney

Head kidney --> pronephros 1. The definitive excretory organ of primitive fishes. Synonym: head kidney. 2. In the embryos... Read More

Embryo – Plants

Definition (botany) A young, developing plant, such as the rudimentary plant inside the seed of higher plants or that inside... Read More

Preauricular

Definition adjective Of a part or area located anterior to the auricle of the ear Supplement Preauricular is a descriptive... Read More

Three-chambered heart

Three-chambered heart congenital abnormality in which there may be a single atrium with two ventricles or a single ventricle... Read More

Lepidoptera

Lepidoptera (Science: zoology) An order of insects, which includes the butterflies and moths. They have broad wings, covered... Read More

Holmes heart

Holmes heart a variant of double inlet left ventricle where the ventricular-arterial connection is concordant and the right... Read More

Cotyledon

Definition noun, plural: cotyledons (1) (botany) The primary or rudimentary leaf of the embryo of a seed plant that either... Read More

Hexapoda

Hexapoda (Science: zoology) The true, or six-legged, insects; insects other than myriapods and arachnids. The hexapoda have... Read More

Fitness

A competing variant's frequency is rising in relation to other competing variants in a population under the biological... Read More

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

Lancelet

Definition noun, plural: lancelets A small fishlike chordate of the taxonomic order Amphoxiformes Supplement The... Read More

Vestige

A vestige, in biology, refers to the vestigial structures. Etymologically, the term came from the Latin vestīgium, meaning... Read More

Endoplasmic reticulum

Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More

Larva

Larva Origin: L. Larva ghost, specter, mask. 1. (Science: zoology) Any young insect from the time that it hatches from the... Read More

Scale

Scale A reduced or rudimentary leaf, for example surrounding a dormant bud, a thin flap of tissue, for example on the... Read More

Scales

scale A reduced or rudimentary leaf, for example surrounding a dormant bud, a thin flap of tissue, for example on the... Read More

Bears

Bears Definition Bears are mammals belonging to the family Ursidae. They typically have massive bodies, coarse heavy fur,... Read More

RNA-DNA World Hypothesis?

How did life start as we know it? In the scientific community, the "RNA World Hypothesis" has many adherents. Many believed... Read More