38 results found

Search Results for: immature

Host cell

Host Cells Definition What is a host cell? A host cell is a living cell that serves as a shelter and a food source to the... Read More

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction. A spermatid... Read More

Reservoir host

Reservoir Host Definition A reservoir host is a host that harbors the pathogen and serves as a source of the infective... Read More

Marsupial

Definition noun (zoology) A mammal primarily characterized by having a pouch used for carrying their immature young, and... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Chondroblast

There are two forms of cells in cartilage: chondroblasts and chondrocytes. The chondroblasts are cells that secrete the... Read More

Alloparenting-What Is It?

“Alloparenting—What Is It?” Sonja G. Rosas 13 September 2007 An Introduction To Alloparenting Every gregarious... Read More

Oocyst

Definition noun, plural: oocysts A resistant, thick-walled spore containing the zygote Supplement Apicomplexa is a phylum... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Oocyte

Definition noun, plural: oocytes (1) A female gametocyte. (2) A developing female germ cell. Supplement The oocyte is an... 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

Erythrocyte

Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More

Osteoblast

Definition noun, plural: osteoblasts A type of bone cell that arises from fibroblasts, and upon maturity, becomes associated... Read More

Promegakaryocyte

Definition noun, plural: promegakayocytes A precursor cell in the thrombocytic series that arises from a megakaryoblast and... Read More

Erythropoiesis

Definition noun, plural: erythropoieses The hematopoiesis of red blood cells Supplement Hematopoiesis is the process of... Read More

Mature mRNA

Mature mRNA Definition Mature mRNA is the completely processed mRNA molecule in the cell of eukaryotes. The mRNA is a type... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Bryophytes

Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More

Food chain

Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More

Reproductive system

What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More

Osteon

What is an Osteon? In osteology (the study of bony structures and skeleton), the osteons (or Haversian systems) are the... Read More

Integumentary system

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

Blast

Blast 1. (Science: biology, suffix) a suffix or terminal formative, used principally in biological terms, and signifying... Read More

Lineage

Lineage (Science: genetics) term used to describe cells with a common ancestry, that is developing from the same type of... Read More

Bud

Definition noun, plural: buds (general) An immature or undeveloped structure that develops into a bodily structure or a new... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... 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

Definitive host

Different Biological Relationships The biological world is interconnected whether we notice it or not. All the life forms... Read More

Lymph nodes

Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Arthropod

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

Anther culture

Anther culture a plant culturing technique in which immature pollen is made to divide andgrow into tissue (either callus or... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Smudge cells

smudge cells immature leukocytes of any type that have undergone partial breakdown during preparation of a stained smear or... Read More

Intermediate host

Intermediate Host Definition When looking at the relationships amongst different biological members of our biosphere, we... Read More

Tender

tender 1. Easily impressed, broken, bruised, or injured; not firm or hard; delicate; as, tender plants; tender flesh; tender... Read More

First time! Human blood cell turned into a young sex cell

In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More