digestive

Viscera

... muscle Smooth muscle found in the walls of the digestive tract, bladder, arteries , and other internal or...l mass containing internal organ s, including the digestive tract, paired kidney s, and reproductive organ s. a mantle that surrounds but does not cover en...

Vertebrates

...ntaining the reproductive organ s and part of the digestive tract. Full article >>> In vertebrates , Sonic hedgehog is involved setting up the dorsal / ventral , the back-to-front pattern of the nervous system . So telling one side from another is really what hedgehog signaling does in all d...

Ureters

...ded 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 >>>...

Typhlosole

... entire length that increases its surface area for digestive purposes. Covered in Lab 12 Animal Diversity II U ... Full article >>> Ingested food is stored in a crop and ground up in a muscular gizzard. The dorsal surface of the intestine is expanded into a typhlosole that allows more ...

Tissue

...the outer layer of the body surface and lining the digestive tract and other hollow structures. Full article >>> This specialized tissue forms a trophic interface between the embryo and mother during cleavage , and subsequently forms the embryo nic portion of the placenta upon implantati...

Stomach

...tomach + L. vasculum, a small vessel] The central digestive compartment, usually with a single opening that functions as both mouth and anus . gastrula ... Full article >>> It is a muscular stomach in the bird that aids in crushing food (usually tough plant material), often aided by gi...

Starch

...ed steamed rice. Full article >>> A digestive enzyme produced largely by the pancreas and salivary glands that converts starch es to sugars. Abnormally high levels of amylase in the blood or urine may be found in patients with inflammation of the pancreas or salivary glands (mumps)....

Sphincter

...f modified muscle s in a muscular tube, such as a digestive tract; closes off the tube like a drawstring. Full article >>> sphincter A ringlike band of muscle fibers that constricts a passage or closes a natural orifice. spice A pungent, aromatic plant product derived from plant s nati...

Smooth muscle

...;> Smooth muscle found in the walls of the digestive tract, bladder, arteries , and other internal organ s. visible light ... Full article >>> smooth muscle Type of muscle tissue found in the walls of the hollow organ s; viscera l muscle . social deprivation Withholding or rem...

Small intestine

...#62;>> small intestine The part of the digestive system consisting of the duodenum , jejunum , an..., where acid chyme from the stomach mixes with digestive juices from the pancreas , liver , gallbladder, and gland cells of the intestinal wall. duplica...

Sex cells

...haploid cell s. gastrin : a hormone produced by digestive glands to influence digestive processes. gene : the functional segment of chromosomes . Full article >>> simila...

Segment

...n elongate body with distinct segment ation and a digestive tract that lies in a coelom . seismic sea waves See tsunami. Full article >>> segment a division ; a section. segregation the separation of homologous chromosomes during anaphase 1 of meiosis , producing gametes containi...

Secretin

...2;>> secretin : a hormone produced by digestive glands that influences digestive processes. seedless vascular plants : the division Pteridophyta that includes the ferns. Full ar...

Scrotum

... the testes . secretin : a hormone produced by digestive glands that influences digestive processes. seedless vascular plants : the division Pteridophyta that includes the ferns. Full ar...

Scientific method

... the testes . secretin : a hormone produced by digestive glands that influences digestive processes. Full article >>> scientific method The objective process of approachin...

Salivary glands

... feed on people. Full article >>> A digestive enzyme produced largely by the pancreas and salivary glands that converts starch es to sugars. Abnormally high levels of amylase in the blood or urine may be found in patients with inflammation of the pancreas or salivary glands (mumps)....

Pharynx

...ticle >>> pharynx -- Cavity in the digestive tract just past the mouth itself. May be muscula...rticle >>> pharynx The part of the digestive tract between the mouth cavity and the esophagus that, in vertebrates , is common to both diges...

Peritoneum

...em , peritoneum , meninges, urogenital system, or digestive tract. Full article >>>...

Peristalsis

...ction of smooth muscle that push food along the digestive tract. Full article >>> peristalsi...mach , and intestine s that propel food along the digestive tract. Full article >>> peristalsis : a rhythmic series of muscular contractions tha...

Parathyroid glands

... forms tissue s and organ s associated with the digestive and respiratory systems. Many endocrine structures, such as the thyroid and parathyroid glands , are formed by the endoderm . The liver , pancreas , and gall bladder arise from endoderm . Full article >>>...

Pancreas

... pancreas contains exocrine cells that secrete digestive enzymes into the small intestine and clusters ...n the stomach and the duodenum , which produces digestive enzymes and the hormones insulin and glucagon . Full article >>> pancreas : a...

Osmoregulation

...excretory organ of insects that empties into the digestive tract, removes nitrogenous wastes from the blood, and functions in osmoregulation . Covered in Lab 12 Animal Diversity II ... Full article >>>...

Neuron

... and Excretory Systems Understand the functions of digestive and excretory systems. Full article >>> Dendrite the "incoming" end of a neuron (dendro = tree) Density mass per volume of a substance or solution (g/mL) (dens = compact thick) ... Full article >>> U to C changes,...

Muscle contraction

... muscle contraction s which push food through the digestive system (peri = around; stalsis = a constriction compression) ... Full article >>> serotonin - increase vascular permeability and smooth muscle contr action . Origin ates from platelets ... Full article >>> They are...

Mouth

... >>> mouth -- Front opening of the digestive tract, into which food is taken for digestion . I...latworms, the mouth is the only opening into the digestive cavity, and is located on the " belly " of the worm. Full article >>> mouth The ora...

Malpighian tubule

...excretory organ of insects that empties into the digestive tract, removes nitrogenous wastes from the blood, and functions in osmoregulation . Full article >>> Malpighian tubule s The excretory organ s of insects; a set of long tubules that open into the gut. PICTURE ... Full article ...

Lysosome

...le >>> Lysosome s (membrane-bound digestive vesicle s) can digest macromolecules (break the...osome s Membrane-enclosed organelles containing digestive enzymes . The lysosome s fuse with food vacuoles and enzymes contained within the lysosome ...

Lysosomes

...icle >>> Lysosomes (membrane-bound digestive vesicle s) can digest macromolecules (break the...sosomes Membrane-enclosed organelles containing digestive enzymes . The lysosomes fuse with food vacuoles and enzymes contained within the lysosome c...

Lungs

...rticle >>> Thick mucous forms in the digestive tract and lungs of people with CF. As a result, they have difficult breathing and are susceptible to lung infections. People with cystic fibrosis have a life expectancy of approximately 30 years. Full article >>> tube leading from ...

Lumen

... article >>> - in the lumen of the digestive system by nucleosidases into nitrogenous base s a...unded organelle in eucaryotic cells containing digestive enzymes , which are typically most active at the acid pH found in the lumen of lysosomes ... F...

Interphase

...tein synthesis are carried out Lysosomes - the digestive plant s of food for the cell , changes shape from task to task ... Full article >>> The inactivated X is visible during interphase in mitosis as a condensed chromosome , called a Barr body . It replicates in the S (synthesis) p...

Intestine

intestine part of the digestive tract beyond the stomach Source: Noland, George ...#62;>> intestine -- The portion of the digestive tract between the stomach and anus ; it is the region where most of the nutrients and absorbed. ...

Interstitial cells

...and may assist regeneration. Gland cells secrete digestive juices into the gastrovascular cavity into which tentacles have stuffed captured prey. Full article >>> Between the seminiferous tubules are special cells called interstitial cells (Leydig cells ) where testosterone and other a...

Hydrolytic enzyme

...asm ic, membrane-bounded organelle that contains digestive and hydrolytic enzyme s, which are typically most active at the acid pH found in the lumen of lysosomes . Back to PAE Glossary ... Full article >>>...

Herbivores

...rticle >>> a blind-ending sac in the digestive system, which occurs in mammals at the junction of the small and large intestine s. In herbivores the caecum contains bacteria that produce cellulase, enabling breakdown of cellulose cell wall s. Full article >>> predator -...

Herbivore

...rticle >>> a blind-ending sac in the digestive system, which occurs in mammals at the junction of the small and large intestine s. In herbivore s the caecum contains bacteria that produce cellulase, enabling breakdown of cellulose cell wall s. Full article >>> And norm...

Goblet cells

...tes the passage of food along and protects it from digestive enzymes . Full article >>> Glands can be single epithelial cells , such as the goblet cells that line the intestine . Multicellular glands include the endocrine glands . Many animals have their skin composed of epithelium. Ful...

Glucagon

... gland located in the abdomen that produces both digestive enzymes (exocrine pancreas ) and hormones (endocrine pancreas ). Key hormones produced by the pancreas are insulin and glucagon , which play roles in regulating blood glucose levels. Full article >>>...

Gastrulation

...development by an invagination by which the future digestive tract is formed Source: Noland, George B. 1983. Ge...the gastrulation process, that develops into the digestive tract of an animal . Archezoa ... Full article >>>...

Gastrin

...cids . Full article >>> gastrin A digestive hormone , secreted by the stomach , that stimula...62;>> gastrin : a hormone produced by digestive glands to influence digestive processes. gene : the functional segment of chromosomes . Full ar...

Gastrula

...development by an invagination by which the future digestive tract is formed Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Gastrula (plural: gastrula e) [L. gastrula - the belly , stomach ] The early embryo nic stage foll...

Gastric

...ine style is rotated. gastrodermis Lining of the digestive cavity of cnidarians. Full article >>>...imilar order s. Full article >>> A digestive hormone , secreted by the stomach , that stimulates the secretion of gastric juice. gastrovascul...

Gametes

...haploid cell s. gastrin : a hormone produced by digestive glands to influence digestive processes. gene : the functional segment of chromosomes . Full article >>> gamet...

Gamete

...haploid cell s. gastrin : a hormone produced by digestive glands to influence digestive processes. gene : the functional segment of chromosomes . Full article >>> game...

G2 phase

...haploid cell s. gastrin : a hormone produced by digestive glands to influence digestive processes. Full article >>> interphase Period between two cell division s when a ...

Exocrine glands

...ein, to separate] Glands, such as sweat glands and digestive glands, that secrete their products into ducts tha...ulates exocrine glands in the mouth to release digestive enzymes such as salivary amylase, which aid in the breakdown of food, particularly carbohydrates ...

Ethanol

...ine style is rotated. gastrodermis Lining of the digestive cavity of cnidarians. Full article >>> Alcohol fermentation is the formation of alcohol from sugar. Yeast, when under anaerobic conditions, convert glucose to pyruvic acid via the glycolysis pathways, then go one step farther...

Enzymes

... lysosome -- Eukaryotic organelle which carries digestive enzymes . The lyzosome fuses with a vacuolar membrane containing ingested particles, which are then acted upon by the enzymes . Full article >>> Digestion s of double- strand ed DNA by many restriction enzymes (e.g. EcoR I) ge...

Enteron

...ticle >>> arch enteron the future digestive tract Source: Noland, George B. 1983. General Bio... ... Full article >>> enteron The digestive cavity. Enteropneusta A class of hemi chordates whose members live in burrows in shallow marine w...

Endoderm

...n . It will form the lining of the respiratory and digestive organ s and their derivatives. Full article >...liver , pancreas , lungs , and the lining of the digestive tract. Full article >>> endoderm - One of the three primary germ layers formed in t...

Duodenum

...n the stomach and the duodenum , which produces digestive enzymes and the hormones insulin and glucagon . Pangaea (pan-jee-uh) ... Full article >>>...

Digestion

...ates , digestion is a multi-stage process in the digestive system, following ingestion of the raw materials, ...to smaller molecule s that can be taken up by the digestive system; hydrolysis . Full article >>> Digestion the process of breaking food down ...

Deuterostome

...in several ways. In both cases there is a complete digestive tract. However, in protostomes the initial opening... while the mouth appears at the other end of the digestive system. Main groups include chordates and echinoderms. Full article >>> deuterosto...

Complementary DNA

...ns present in the DNA of the genome . complete digestive tract ... Full article >>> Complementary DNA (c DNA ): A DNA sequence synthesized from a messenger RNA molecule , using reverse transcriptase enzyme . Full article >>> complementary DNA (c DNA ) DNA prepare...

Coelom

...es, since we have an abdomen al cavity containing digestive organ s, some of the excretory and reproductive ... Haeckel, i.e. Full article >>> The digestive chamber has two openings, a mouth and an anus , and there is also an internal body cavity called ...

Codon

...mals , a body cavity between the body wall and the digestive system that forms during preadult development. Full article >>> Codon s One strand of DNA (the anti-sense strand ) is used as a template to produce a single strand of m RNA . Full article >>> codon - sequenc...

Cloaca

... >>> cloaca Posterior chamber of digestive tract in many vertebrates , receiving feces and u... In certain invertebrates , a terminal portion of digestive tract that serves also as respiratory, excretory, or reproductive tract. Full article >>...

Chyme

...is in the duodenum and stimulates the release of digestive enzymes in the pancreas and stimulates the emp..., where acid chyme from the stomach mixes with digestive juices from the pancreas , liver , gallbladder, and gland cells of the intestinal wall. duplica...

Chemoreceptors

...d taste mainly, as well as internal sensors in the digestive and circulatory system s. Thermoreceptors: changes in temperature. Electroreceptors: detect electrical currents in the surrounding environment . Full article >>>...

Cervix

...es that has members that are all parasitic with no digestive tract; have great reproductive potentials. Tapeworms. Full article >>> Once the fetus is sufficiently developed, chemical signals start the process of birth, which begins with contractions of the uterus and the dilation of the cer...