smooth

Voluntary muscle

in voluntary muscle : see smooth muscle and cardiac muscle . islets of Langerhans : clusters of cells that make up the endocrine portion of the pancreas . J ... Full article >>> Skeletal voluntary muscle and cardiac muscle . The name derives from the striped ...

Vessels

...62; Unlike normal red cells , which are usually smooth and donut-shaped, sickled red cells cannot squeeze through small blood vessels . Instead, they stack up and cause blockages that deprive organ s and tissue s of oxygen -carrying blood. Full article >>> Countercurrent exchange mec...

Vertebrates

...rescence . involuntary Nervous system Stimulates smooth and cardiac muscle and glands of the body. Full article >>> In vertebrates , that portion of the trunk containing viscera l organ s except for heart and lungs ; in arthropods, ... Full article >>> In vertebrates...

Variety

...arts of spliceosome s, active in RNA splicing . smooth ER ... Full article >>> curare A variety of poisonous plant extracts from the bark , roots , stems, and tendrils of several woody lianas, including Chondodendron tomentosum. Full article >>> Diversity: the variet...

Ureters

...62;> Peristalsis Movement provided by the smooth muscle s to the contents of the digestive tract, ureters , urethra , uterine duct, and vas deferens . peristomium The segment of the body of an annelid that surrounds the mouth . Full article >>>...

Tumor

...e serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> swelling or tumor Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full arti...

Stroma

... ovary that is formed by connective tissue and smooth muscle . Full article >>> stroma [Gk. a bed, from stronnymi, to spread out] The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organ ic molecule s from carbon dioxide and water. Full ...

Striated muscle

...ll article >>> The contr action of smooth muscle tends to be slower than that of striated muscle . It also is often sustained for long periods. This, too, is called tonus but the mechanism is not like that in skeletal muscle . Muscle Diseases ... Full article >>> rhabdo...

Spinal cord

...ontrol water and ion balance, blood pressure, and smooth muscle contractions. 586 uropod Posterior most appendage of many crustacea ns. Full article >>> sensory root of a spinal nerve that carries impulses to the spinal cord ; ventral root carries impulses from the cord Source: Nol...

Smooth muscle

...2; Smooth muscle s do not contain sarcomere s smooth muscle (or "involuntary"): found within structure... blood vessels . Full article >>> smooth muscle : found in the linings of the blood vessels , along the gastrointestinal tract, in the respi...

Smooth ER

Smooth ER The smooth ER (also known as agranular ER or aER) has functi.... Full article >>> Smooth ER The smooth ER has functions in several metabolic processes. It takes part in the synthesis of various lipids ...

Small intestine

...; includes the duodenum , jejunum , and ileum . smooth endoplasmic reticulum : ER with no ribosomes attached. Full article >>> small intestine (Schistosoma japonicum), or urinary bladder (Schistosoma haematobium). Their presence induces antibodies that — with the aid of mac...

Rough ER

...e side of the membrane facing the cytoplasm and smooth ER does not. Full article >>> rough endoplasmic reticulum Endoplasmic reticulum when it is covered with ribosomes is referred to as rough ER . Covered in Lab 3 Cell Biology ... Full article >>>...

Ribosomes

...doplasmic reticulum that is free of ribosomes . smooth muscle A type of muscle lacking the striations of skeletal and cardiac muscle because of the uniform distribution of myosin filaments in the cell . Full article >>> polysome Two or more ribosomes connected by a molecule o...

Renal

... testes where it produces steroid hormones . The smooth endoplasmic reticulum of liver cells helps detoxify drugs in the blood. Full article >>> This is usually a result of a change in the fetal ad renal glands , leading to production of abnormally high levels of androgens . Full ...

Regulatory region

... peptide of 9 amino acids . It acts on certain smooth muscle s: ... Full article >>> Genetic constructs that include regulatory region s targeting gene expression to specific tissue s are necessary if the gene product is to be harvested readily. Full article >>> Slowe...

Pyloric sphincter

... >>> pyloric sphincter A ring of smooth muscle surrounding the opening of the pyloric portion of the stomach into the intestine . The sphincter prevents premature escape of food from the stomach into the intestine before the food is properly digested. Full article >>>...

Prostaglandins

...us tissue cells that produce their effects on smooth muscle s, on various glands, and in reproductive ...red in semen , known to have powerful effects on smooth muscle , nerves , circulation, and reproductive organ s. Full article >>> Prostagl...

Platelets

... serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> An example of a multipotent stem cell would be the hematopoietic stem cell , which can give rise to all the blood lineage s, including white blood cells , ...

Physiology

...us tissue cells that produce their effects on smooth muscle s, on various glands, and in reproductive physiology . Full article >>> The scientific tradition that stresses the relationship between a physical structure and its function, for example, the related disciplines of anatomy an...

Phenotype

...e Martin from Cell 12 January 1990) - with its 9 smooth seeds and 3 wrinkled seeds! - represents something...n change the height of a plant or change it from smooth to rough seeds. Full article >>> An allele is said to be dominant if it express ...

Peristalsis

...act are aided by the relaxing effect of NO on the smooth muscle in its walls. Birth ... Full article >...o wrap around] Rhythmic waves of contr action of smooth muscle that push food along the digestive tract. Full article >>> peristalsis Invo...

Origin

... serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> Mitosis : the process of cell division in which a single cell produces two daughter cell s which are identical to on another, and to the origin al parent ...

Muscle contraction

... serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> They are composed predominantly of a contractile protein called actin , which is the most abundant cellular protein . Microfilament s' association with the...

Muscle

...exhibit still another specialized function of the smooth ER . The ER membrane pumps calcium ions from the ...tractile organ . Full article >>> smooth muscle A type of muscle lacking the striations of skeletal and cardiac muscle because of th...

Involuntary muscle

involuntary muscle : see smooth muscle and cardiac muscle . islets of Langerhans : clusters of cells that make up the endocrine portion of the pancreas . J ... Full article >>> Smooth muscle or " involuntary muscle " is found within the walls of organ s and ...

Invertebrates

...ates ; lack a backbone. involuntary muscle : see smooth muscle and cardiac muscle . islets of Langerhan...rescence . involuntary Nervous system Stimulates smooth and cardiac muscle and glands of the body. Full article >>> In invertebrates with...

Intestine

...; includes the duodenum , jejunum , and ileum . smooth endoplasmic reticulum : ER with no ribosomes attached. Full article >>> large intestine (Schistosoma mansoni), Link to life cycle. small intestine (Schistosoma japonicum), or urinary bladder (Schistosoma haematobium). Full...

Genetic material

...eria are grown on a culture plate, some produce smooth shiny colon ies (S) while others produce rough colon ies (R). Full article >>> Genetic material ( DNA ) is also present in the nucleus , the DNA is present as a DNA - protein complex called chromatin . The DNA is present as...

Endoplasmic reticulum

...ghout the cytoplasm ; two types exist, rough and smooth ER . Full article >>> endoplasmic ...unctions. Rough ER is studded with ribosomes ; smooth ER is not. PICTURE ... Full article >>> endoplasmic reticulum -- (ER) network of ...

Endoderm

...ghout the cytoplasm ; two types exist, rough and smooth ER . Full article >>> endoderm is -- Literally "inner skin", this is a layer of cells which surrounds the central core of vascular tissue , and which helps to regulate the flow of water and dissolved substances. Full article ...

Ectoderm

...s ) mesoderm al cells like striated muscle , smooth muscle , cartilage , and bone endoderm al cells like the intestinal epithelium. Their process ... Full article >>> ectoderm [Gk. ecto, outside + derma, skin] The outermost of the three primary germ layers in animal embryo s; ...

Cortex

... testes where it produces steroid hormones . The smooth endoplasmic reticulum of liver cells helps detoxify drugs in the blood. Full article >>> Of these, loss of Ins(1,4,5)P3 receptor s and PKC in the entorhinal cortex and hippocampus correlates with AD-related neuro- fibrillary c...

Cell nucleus

...arts of spliceosome s, active in RNA splicing . smooth ER ... Full article >>> Chromosomes Structures in the cell nucleus , each containing the DNA for many hundred genes, package d with proteins . Full article >>> [Gr. karyon - nucleus ; Gr. kinesis - movement]. T...

Cardiac muscle

...hat regulates the involuntary activity of glands, smooth muscle , and cardiac muscle . It is derived from the vagal and sacral neural crest cells . PCR - see polymerase chain re action . Full article >>>...

Cancer

...e serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> carcinogen. A substance or agent capable of causing cancer . caterpillar. The larva of a butterfly, moth, sawfly, or scorpionfly. Full article >>>...

Bronchioles

...iratory tree. Full article >>> The smooth muscle in the walls of the bronchioles is very sensitive to the concentration of carbon dioxide. A rising level of CO2 causes the bronchioles to dilate. Full article >>> In lungs , the narrowed ending of bronchioles that opens ...

Bronchi

...onchi . Full article >>> cause the smooth muscle cells of the bronchi to contract narrowing the lumen of the bronchi . This is the early phase. attract an accumulation of inflammatory cells — especially eosinophils — and the production of mucus. Full article >&#...

Bark

...a corky bark or semisucculent trunk covered with smooth resinous bark , both being fire resistant. A fire leaves scorched earth covered with a fine layer of powdery black ash in its wake. Full article >>> A population has, for example, thicker fur, rougher bark , longer ears, or larger ...

Autonomic nervous system

...hat regulates the involuntary activity of glands, smooth muscle , and cardiac muscle . It is derived from the vagal and sacral neural crest cells . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> a sub division of the autonomic nervous system ; centers are loca...

Ascaris

... roundworm. These worms are unsegmented and have a smooth outside wall. They move by whiplike motions. Mating produces eggs that mature in the soil, limiting most are to warmer climates. Full article >>> Chromosomes were first observed in plant cells by Swiss botanist Karl Wilhelm von...