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Tissue ard

a&p

QuestionAnswer
An epithelium is a sheet of cells that covers a body surface or lines a cavity.
Epithelium occurs in the body as covering or lining epithelium, and as glandular epithelium
special characteristics of epithelum innervated but avascular has a high regeneration capacity
An epithelium is a sheet of cells that covers a body surface or lines a cavity.
Epithelium occurs in the body as covering or lining epithelium, and as glandular epithelium
special characteristics of epithelum innervated but avascular has a high regeneration capacity
each epithelial tissue is given two names a. the first name indicates the number of layers present, either simple (one), or stratified (more than one) b. the second name descibes the shape of the cells.
simple epithelia are mostly concerned with absorption, secretion, and filtration. simple squamous epithelium is a single layer of fish scale shaped cells.
simple cuboidal epithelium is a single layer of cube shaped sells forming the smallest ducts of glands and many kidney tubules. simple columnar epithelium is a single layer of column shaped cells that line the digestive tract.
transitional epithelium forms the lining of the hollow organs of the urinary system that stretch as they fill
stratified epithelia's main function is to protection.
stratified squamous epithelium is composed of several layers with the cells on the free surface being squamous shaped and the underlying cells being cuboidal or columnar in shape
stratified cuboidal epithelium is rare.
exocrine glands have ducts and secrete their product onto a surface or into body cavities exocrine glands may be unicellular or multicellular
transitional epithelium forms the lining of the hollow organs of the urinary system that stretch as they fill
the major functions of connective tissue are binding and suport, protection, insulation, and transportation
endocrine glands are ductless glands
exocrine glands have ducts and secrete their product onto a surface or into body cavities exocrine glands may be unicellular or multicellular
the major functions of connective tissue are binding and suport, protection, insulation, and transportation
common characteristics of conective tissue are connective tissue is composed mainly of nonliving extracellular matrix that separates the cells of the tissue
ground substance is the unstructured material that fills the space between the cells and contains the fibers.
fibers of the connective tissues provide suport- collagen fibers are extremely strong and provide high tensile strength to the connective tissue elastic fibers allows them to be stretched and to recoil
types of conective tissue: Loose and Dense Loose and dense
each major class of connective tissue has a fundamental cell type that exists in immature and mature forms.
loose connective tissue is one of the two subclasses of connective tissue proper a. areolar connective tissue serves to bind body parts together while allowing them to move freely over one another b. adipose (fat)
types of conective tissue: Loose and Dense Loose and dense
dense
loose connective tissue is one of the two subclasses of connective tissue proper a. areolar connective tissue serves to bind body parts together while allowing them to move freely over one another b. adipose (fat)
dense connective tissue is one of the two subclasses of connective tissue proper dense regular connective tissue makes up tendons and ligaments
cartilage lacks nerve fibers and is avascular hyaline cartilage is the most abundant cartilage providing firm support with some pliability
elastic cartilage is found where strength and exceptional stretchability are needed such as the external ear.
bone osseous tissue
blood is classified as connective tissue
nervous tissue is composed of cells nuerons are specialized cells that generate and conduct electrical impulses.
there are three types of muscular tissue: a. skeletal muscle attaches to the skeleton and produces voluntary body movement. b. cardiac muscle is responsible for the involuntary movement of the heart c. smooth muscle is found in the walls of the hollow organs
cutaneous membrane, or skin, is an organ system consisting of a keratinized squamous epithelium firmly attached to a thick layer of dense connective tissue.
mucous membranes line the body cavities that open to the exterior and contain either stratified squamous or simple columnar epithelia
serous membranes consist of simple squamous epithelium resting on a thin layer of loose connective (areolar) tissue
tissue repair occurs in two ways: regeneration and fibrosis. Three steps are involved in the tissue repair process 1. inflammation prepares the area for the repair process 2. organization restores the blood supply 3. regeneration and fibrosis effect permanent repair.
Created by: cathyb