Search Results for: stretch
Stretch reflex
Definition noun A reflex contraction of a muscle when the muscle proprioceptors (e.g. muscle spindles) are... Read More
Jaw jerk reflex
Definition noun A stretch reflex that manifests as the contraction of the masseter and the temporalis muscles in response to... Read More
Patellar reflex
Definition noun, plural: patellar reflexes A stretch reflex wherein the anterior muscles of the thigh contracts by reflex as... Read More
Achilles reflex
Definition noun, plural: Achilles reflexes A stretch reflex wherein the foot jerks towards the plantar surface by reflex as... Read More
Muscle spindle
Definition noun The neuromuscular spindle is a fusiform mechanoreceptor (specifically a stretch receptor) within the... Read More
Control of Body Movement
Motor Control Hierarchy A motor program is the pattern of neural activities required to perform a movement is created and... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... 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
Clasp-knife rigidity
Clasp-knife rigidity --> clasp-knife spasticity initial increased resistance to stretch of the extensor muscles of a joint... Read More
Distensibility
Definition noun The capability of being distended or stretched under pressure. Supplement For instance, the distensibility... Read More
Poly a tail
Definition noun A long stretch of (about ten to 200 or more) adenine nucleotides added to the "tail" or 3' end of the... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Elastic fiber
Definition noun, plural: elastic fibers A type of connective tissue fiber that is made up, primarily, of elastin, and found... Read More
Linker DNA
Definition noun, plural: linker DNAs DNA linking adjacent nucleosome core particles Supplement A linker DNAs is a stretch of... Read More
Protophloem
Definition noun, plural: protophloems The first phloem to develop from the procambium Supplement The phloem is a vascular... Read More
Cohesive end
Definition noun, plural: cohesive ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More
Digestive Enzymes
Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... Read More
Repetitive DNA
Definition noun (molecular biology) Repetitive nucleotide sequences in the DNA throughout the genome Supplement The... Read More
Minisatellite
Definition noun, plural: minisatellites (molecular biology) A tandem repeat ranging in length from 10 to 60 base pairs,... Read More
Polyadenylation
Definition noun The synthesis of a poly a tail at the end of an RNA molecule. Supplement The adding of a poly-A stretch at... 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
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Kidneys and Regulation of Water and Inorganic Ions
Renal Functions Kidneys remove/add substances from/to the plasma.Regulate water concentration, inorganic ion... Read More
Sticky end
Definition noun, plural: sticky ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Substratum
Definition noun, plural: substrata (1) A substrate, i.e. a surface in which the cell attaches to, especially when the cell... Read More
Release phenomenon
release phenomenon The increased tonus and hyperirritability of muscle-stretch reflexes which occur following damage of the... Read More
Shine-dalgarno sequence
shine-dalgarno sequence A short stretch of nucleotides on a prokaryotic mRNA molecule upstream of the translational start... Read More
Peritoneum
What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More