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bio ch. 3&4

test prep

3 main parts of eukaryotic cell nuclues, cell membrane, cell wall
Goblet Cells produce mucos
Cillia moves mucos
goblet cells found on the psedostarfied columnar epithlieum
cillia found on the psedostarfied columnar epithlieum
How are epithelia named? by the cell layers and arrangement of cells
Cell layers of epithelia transtional, coulmanr, cubodial, squamous
Arrangemtn of layers of epithelia simple layer (single); straified layer (many)
Cytokinesis happens after mitosis
Keratin a tough, fibrous protein that helps protect the skin and underlying tissues from heat, microbes and chemicals
epithelial tissue or epithelium constis of cells arranged in continous sheets in either single or multiple layers
perichondrium a covering of dense irregular connective tissue that surrounds the surface of most catilage
Pseudostrafied Columnar Epithelium sercreation and movement of mucus by cillary action
Pseudostrafied Columnar Epithelium are found in the nose and respiaroty track
Hydaline Cartilage provides smooth surfaces for movement at joints; as well as flexibity and support
Hydaline Cartilage is found in nose, ribs, trachea, and the end of long bones
Endocrine glands secrete hormones
excorine glands secrete materials into ducts or directly onto an apical surface
All glands fall into two catergories... endocrine glands, excorine glands
Membranes thin sheets of flexible tissue that line or cover parts of thebody
synovial membranes contain only connective tissues and line the cavities of synovial joints
mucous membranes line body cavities open to the outside
phagocytosis allows cells to "eat" large paricles
proteasomes break down worn out or unneeded proteins
active transport the movement of substances across cell membranes against a concentration gradient requring the expenditure of cellular energy (ATP)
simple diffusion passive movement of a substane down its concertation gradient through the lipid bilayer of the plasma membrane without the help of membrane transport proteins
secondary transport coupled active transport of two substacnes across the membrane using energy supplied by a Na+ or H+ concertation gradient maintined by primary active transport pumps
primary active transport active process in which a substance is moved across the membrane against its concentration gradient by pumps (carriers) that use energy supplied by hydrolysis of ATP
facilitated diffusion passive movement of a substance down its concentration gradient through the lipid bilayer by transmembrane proteins that fundtion as channels or carriers
endocytosis the uptake into a cell of large molecules and particles in which a segement of plasma membrane surrounds the substance, encloses it and brings it in
visceral layer attaches to the organs themselves
parital layer attaches to the body wall around the organ
phagocytosis "cell eating"; movement of a solid particle into a cell after pseudopods engulf it to form a phagosome
selective permeability plasma membrane permit some substances to pass more readily than others
elastic tissue chondrocytes are located amoung a threadlike network of elastic fibers witihin the extracellular matrix
serous membrane or serosa lines a body cavity that does not open directly to the exterior and it covers the organs that lie within the cavity
cutaneous membrane or skin covers the surface of the body and consits of a superifical portion
synovial membranes lines the cavities of freely movable joints
mucous membranes or mucosa lines a body cavity that opens directly to teh exterior
epithelial membrane combination of an epithelial layer and an underlying connective tisssue layer
membranes flat sheets of pilable tissue that cover or line a part of the body
stem cells immature, undifferentiated cells
epithelial tissue covers body surfaces and lines hollow organs, body cavities and ducts
connective tissue protects and supports the body and its organs
muscle tissue generates the physical force needed to make budy strcutures move and generates body heat
nervous tissue detects changes in a variety of conditions inside and outside the body and responds by generating nerve impulses that activate muscular contractions and glandular secerations
Created by: Courtneey



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