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35 Cards in this Set
- Front
- Back
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squamous
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flat shaped of epithelial cell
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Stratified 2
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more than one layer of cells
some touch basal lamina |
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diffusion 2
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spontaneous tendency of a substance to down its concentration gradient
moves from high concentration to low concentration |
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gall bladder
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organ that stores bile and releases it as needed into the small intestine
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digestion
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process of breaking down food into molecules small enough for the body of absorb
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liver 2
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largest organ inside the vertebrate body
produces bile, prepares nitrogenous wates, and detoxifies poisonous chemicals in blood |
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cholera
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closes down resorption of H2O in small intestine
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facilitated diffusion
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spontaneous passage of molecules and ions, bond to specific carrier proteins, across a biological membrane down their concentration gradient
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esophagus
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channel that conducts food, by peristaltis from the pharynx to the stomach
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Reticular fibers 2
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very thin, branched fibers made of collagen
form tightly wovem fabric that is continuous w/ collagenous of ECM |
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active transport 2
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movement of a substance across a biological membrane against its concentraion gradient
helped by energy imput and transport proteins |
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lacteal(2)
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the lymph vessel extending into the core of an intestinal villus
serves as a destination for absorbed chylomicros |
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abosorbtion 2
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uptake of small nutrient molecules by an organisms own body
third main stage of processing |
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peristatis
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rhythmic waves of contraction of smooth muscles that push food through the alementary canal
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extracellular matrix ECM 2
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holds animal tissue cells
protein and polysaccherides |
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Muscular tissue 2
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long muschle cells
capable of contracting when stimulated by nerve impulses |
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villus
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finger-like projection of the inner surface of the small intestine
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sphincter 2
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ring like valve
consists of modified muscles in a muscular ring |
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cell
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makes up tissue
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columnar
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column shape of one type of epithelial cell
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simple tissue (2)
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single layers of cells
all touch basal lamina |
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small intestine 2
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largest part alementary canal
site of enzymatic hydrolysis of food macromolecules and the absorption of nutrients |
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Nervous tissue
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made of neurons and supportive cells
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cuboidal
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cubic shape of epithelial cell
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collagen fibers 4
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gkycoprotein in ECM (animal cells)
forms strong fibers found in connective tissue most abundant protein |
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tissue
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integrated group of cells with a common structure and function
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Pseudostratified 2
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single layered
appears stratified because cell layers vary in length |
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epithelial tissue 2
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sheete of tightly packed cells
line organs and body cavaties |
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connective tissue 2
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functions to bind and support other tissues
sparse poulation of cells through extracellular matrix |
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elastic fibers 3
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long threads made of proteins (elastin)
provide rubbery quality to ECM complements nonelastic strength of claagen fibers |
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Pharynx
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area in the vertebrate throat where air and food passages cross
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salivary gland 2
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exocrine glands associated with oral cavity
contains substances to lubricate food, adhere together chewed pieces into a bolusm and beging the process of chemical digestion |
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Organ 2
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specialized center of body functions
composed of different types of tissue |
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ciliated 2
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type of protazoan
moved by means of cilia |
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pancreas 3
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gland with dual functions
non-endcrine portion secretes digestive enzymes and an alkaline solution into the S.I. through a duct endocrine produces and secretes insulin and glucagon into the blood |
