314 results found

Search Results for: rise

Blastula

Human embryology is a fascinating subject and has succeeded in captivating the attention of human beings for ages.... Read More

Embryo

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

CFU-GEMM

Definition noun A stem cell capable of differentiating into granulocyte, erythrocyte, monocyte, and... Read More

Chorion

Chorion Definition The chorion is a membrane that develops around the developing fertilized egg. It begins to develop... Read More

Spermatogenesis

Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More

Cork cambium

Cork Cambium Definition Cork cambium is a secondary meristematic tissue that has a pivotal role in secondary growth in... Read More

Monocytopoiesis

Definition noun, plural: monocytopoieses The hematopoiesis of monocytes Supplement Hematopoiesis is the process of forming... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Lymphopoiesis

Definition noun The hematopoiesis of lymphocytes Supplement Hematopoiesis is the process of forming new blood cellular... Read More

Pith

Pith Definition In general, the term "pith" refers to the "soft inner portion" of something. In botany, a pith refers... Read More

Monoblast

Definition noun, plural: monoblasts A precursor cell that gives rise to a promonocyte Supplement Hematopoiesis is the... Read More

Erythropoiesis

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

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

Exon

When we look at the genome sizes and the organism complexity, it becomes quite confusing at times. This is because we... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More

Spermiogenesis

Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More

Megakaryoblast

Definition noun, plural: megakaryoblasts A precursor cell that develops into a promegakaryocyte during... Read More

Life

Life Definition Life is a characteristic of a living organism that distinguishes the latter from a dead organism or a... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... 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

Myeloblast

Definition noun, plural: myeloblasts A precursor cell that gives rise to a promyelocyte during... Read More

Hypoblast

Definition noun (embryology) The inner (lower) layer of the embryonic disc, located beneath the epiblast Supplement In... Read More

Thrombopoiesis

Definition noun, plural: thrombopoieses (1) Thrombocytopoiesis, i.e. the process of producing thrombocytes (2)... Read More

Promegakaryocyte

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

Erythroblast

Definition noun, plural: erythroblasts A nucleated red blood cell that develops into a reticulocyte Supplement The blood... Read More

Megakaryocyte

Definition noun, plural: megakaryocytes A large cell in the bone marrow with characteristic lobulate nucleus and is... Read More

Microspore

Definition noun, plural: microspores (botany) The smaller spore produced by sporophytes and develop into male... Read More

Common lymphoid progenitor cell

Definition noun The progenitor cell in the lymphoid lineage capable of differentiating into lymphocyte and lymphoid... Read More

Meiotic spindle

Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... Read More

Tooth bud

Definition noun, plural: tooth buds An undeveloped tooth consisting of aggregates of cells organized in three organs: the... Read More

Secondary meristem

Definition noun, plural: secondary meristems (''botany') A type of meristem that is involved in the secondary growth and... Read More

Primary meristem

Definition noun, plural: primary meristems (''botany') A type of meristem that is involved in the primary growth and thus... Read More

Platelet

Definition noun, plural: platelets A discoid cellular fragment (2–3 µm diameter) important for blood coagulation and for... Read More

Granulopoiesis

Definition noun The hematopoiesis of granulocytes Supplement Hematopoiesis is the process of forming new blood cellular... Read More

Red blood cell

Definition noun, plural: red blood cells The blood cell containing hemoglobin and functions primarily to transport... Read More

Sclerotome

Definition noun, plural: sclerotomes (embryology) The somite that gives rise to the development of vertebrae and... Read More

Chlorophyta

Chlorophyta Definition Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats.... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More