82 results found

Search Results for: spindle

Mitotic spindle

Definition noun The collective term for all the spindle fibers that form during mitosis Supplement The spindle apparatus is... Read More

Meiotic spindle

Definition noun The collective term for all the spindle fibers that form during meiosis Supplement The spindle apparatus is... Read More

Spindle

Definition noun, plural: spindles (1) A collection of minute fibers composed of microtubules, which are prominent during... Read More

Spindle fiber

Definition noun, plural: spindle fibers Any of a network of filaments that collectively form a mitotic spindle (in... Read More

Spindle apparatus

Definition noun Any of a network of filaments that collectively form a mitotic spindle (in mitosis) and meiotic spindle... Read More

Muscle spindle

Definition noun The neuromuscular spindle is a fusiform mechanoreceptor (specifically a stretch receptor) within the... Read More

Spindle-shaped

Definition adjective Having a shape like a spindle, that is being wide in the middle then tapering at both... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Parental chromosomes are together but still apart at first mitosis

A recent finding by a team of researchers from European Molecular Biology Laboratory on the parental chromosomes during the... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Microtubule

Microtubule Definition noun plural: microtubules mi·cro·tu·bule, mī'krō-tū'byūl A cytoplasmic tubule made up of... Read More

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Microtubule organizing center

Definition noun A structure inside the cell from where microtubules organize following depolymerization to turn into tubular... Read More

Binary fission

Binary fission definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Colcemid

Definition noun (cytogenetics) A methylated derivative of colchicine capable of depolymerizing microtubules and arresting... Read More

Cell morphology

The basic essence for any living organism is its structural framework which includes appearance, form, and the... Read More

Metaphase II

Definition noun The second stage in meiosis II after prophase II, and highlights the alignment of chromosomes along a single... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Kinetochore

Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More

Plant Cells vs. Animal Cells

Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More

Tail

tail 1. (Science: zoology) The terminal, and usually flexible, posterior appendage of an animal. The tail of mammals and... Read More

Centromere

Definition noun, plural: centromeres The dense, constricted region containing highly-specialized repetitive DNA sequence,... Read More

Metaphase plate

Definition noun The plane in the equatorial region of the spindle where chromosomes align during cell division (i.e. mitosis... Read More

Cells know when to separate at mitosis

How do cells know when to separate during mitosis? A molecule called BubR1 was found to regulate the timing of the division... Read More

Proprioceptor

Definition noun, plural: proprioceptors A sensory receptor located in the subcutaneous tissues, and is capable of detecting... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Prophase

Definition noun The phase following interphase and preceding metaphase of cell divisions (i.e. mitosis and meiosis), and in... Read More

Stretch reflex

Definition noun A reflex contraction of a muscle when the muscle proprioceptors (e.g. muscle spindles) are... Read More

Anaphase

Definition noun The phase following metaphase and preceding telophase of cell divisions (i.e. mitosis and meiosis), and... Read More

Fusiform muscle

Definition noun A muscle that has a shape of spindle, which is being wider in the middle and narrowing towards both... Read More

Driver

Driver 1. One who, or that which, drives; the person or thing that urges or compels anything else to move onward. 2. The... Read More

Drivers

Driver 1. One who, or that which, drives; the person or thing that urges or compels anything else to move onward. 2. The... Read More

Dead

Dead 1. Deprived of life; opposed to alive and living; reduced to that state of a being in which the organs of motion and... Read More

Telophase II

Definition noun The stage in meiosis II after anaphase II, and identified by the complete movement and separation of the... Read More

Myoepithelial cell

Definition noun, plural: myoepithelial cells (1) (histology) A slender, spindle-shaped contractile cell forming the thin... Read More

Lycinibacillus fusiformis

Definition noun A long rod-shaped obligate aerobe organism that is able to utilize oxygen to metabolize numerous sugars... Read More

Prophase II

Definition noun The first stage in meiosis II highlighted by the disintegration of nucleolus and nuclear envelope, the... Read More