Anatomy Ch 3 vocab Flashcards
membranes can choose to allow or block materials to enter or exit a cell
selectively permeability
process by which molecules (and ions) move away from a region of high concentration to low concentration
diffusion
solutes move through an area of high concentration to an area of lower concentration
concentration gradient
transport of too large of molecules that can’t go through the membrane pores, protein channels are used
facilitated diffusion
diffusion of water through a selectively permeable membrane, water moves down It’s concentration gradient
osmosis
pushes solute-containing fluid from high-pressure area to low-pressure area
pressure gradient
unassisted diffusion of solutes through the plasma membrane
simple diffusion
protein carriers
solutes pumps
biological units of heredity located in chromatin; transmits hereditary information
gene
one of the primary tissues, covers the surface of the body and lines the body cavities, ducts, and vessels
epithelium
free (unattacked) surface or edge
apical surface
structureless material secreted by both epithelial cells and the connective tissue cells that about the epithelium
basement membrane
having few or no blood vessels
avascular
moist inner lining of some organs and body cavities
mucous membranes
single layer of thin squamous cells resting on a basement membrane
squamous epithelium
an organ specialized to secrete or excrete substances for further use in the body or for elimination
gland
the passage of material formed by a cell to its exterior; cell product that is transported to the cell exterior
secretion
lines joints and caps at the end of bones, articular
hyaline cartilage
cord of dense fibrous tissues attaching a muscle to a bone
tendons
a cord of fibrous tissues that connects bones
ligaments
an abnormal accumulation of fluid in body parts or tissues, causes swelling
edema
vascular tissue/ is considered a connective tissue because it consists of blood cells surrounded by a nonliving, fluid matrix called blood plasma
blood
highly specialized to contrast, or shorten, to produce movement
muscle tissues
tissues is packaged by connective tissue sheets into organs called skeletal muscles, which are attached to the skeleton
skeletal muscle
only in heart, has striations, involuntary
cardiac muscle
structural an functional units of the kidney
neoplasm
reduction in size or wasting away of an organ or cell resulting from disease or lack of use
atrophy
