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78 Cards in this Set
- Front
- Back
Name the four major tissue types
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Epithelial Tissue
Connective Tissue Muscular Tissue Nerve Tissue |
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Epithelial Tissue Characteristics
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-Found throughout the body
-main glandular tissue -attached to underlying connective tissue by basement membrane -usually avascular -cells reproduce rapidly (rapid healing) -Cells tightly packed together |
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Epithelial Tissue Functions
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Absorption
Filtration Secretion Protection Excretion Sensory Perception |
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Simple Sqamous looks like?
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Single layer, flat, very thin.
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The function of simple squamous cells is
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diffusion and filtration
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Simple Sqamous cells are found in
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the air sacs of lungs and walls of capillaries
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Simple Cuboidal looks like
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Single layer, cube-shaped
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Simple cuboidal function is
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secretion and absorption
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simple cuboidal cells are found in
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lining of kidney tubules, ducts of glands, covering surface of ovaries
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Simple columnar looks like
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single layer, elongated cells with nuclei in basically same position
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The function of simple columnar epithelium is
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Protection, secretion, absorption
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Simple columnar is found
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in the lining of digestive tract and uterous
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Goblet cells are located in
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simple columnar
pseudostratified columnar |
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The function of goblet cells is to
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secrete mucous
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the purpose of microvilli is to
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increase surface area
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Stratified squamous looks like
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multi-layered, squamous cells. Thicker
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The function of Stratified squamous is to
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protect
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Stratified Squamous is found in
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the lining of body cavities like the mouth and outer layer of skin
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Pseudostratified Columnar looks like
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appears stratified, but is only a single layer with nuclei at various levels
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Pseudostratified Columnar is usually
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ciliated
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what is the purpose of cilia
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to sweep materials along a surface
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what is the function of pseudostratified columnar
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secretiong and cilia-aided movement
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pseudostratified columnar is located in
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the lining of air passages like the trachea and tubes of the reproductive system
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Transitional Epithelium looks
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thick with layered cuboidal cells - when stretched squamous-like
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What is the function of Transitional Epithelium
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to stretch and form barriers to block diffusion
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Transitional Epithelium is found in
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the lining of urinary bladder
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Connective Tissue General Characteristics
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-Most abundant in body
-binds structures together -provides support,protection,framework,fills space, stores fat, produces blood cells, fights infection, helps repair tissue -composed of more scattered cells with abundand matrix -made up of a ground substance and fibers -most have a good blood supply -cells can reproduce |
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What is the intercellular material found in connective tissue?
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the matrix
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What is connective tissue made of?
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ground substance and fibers
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what are the three most common cell types in connective tissue
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Mast cells, macrophages, fibroblasts
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what is the main function of mast cells
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to prevent blood clots
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macrophages are
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phagocytic
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Fibroblasts are ___ and do _____
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the most abundant and produce fibers
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what are the main types of fibers
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Collagenous, Elastic
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Collagenous fiber is
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thick, major structural protein in the body
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collagenous fibers are made of
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protein collagen
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collagenous fibers appear in
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long parallel bundles
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collagenous fibers include
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bones, ligaments, tendons
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collagenous fibers are not
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very flexible/elastic
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Elastic fibers are
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Microfibrils in protein elastin
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what is known as white fibers
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collagenous fibers
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what is known as yellow fibers
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elastic fibers
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elastic fibers are not
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strong but very elastic
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elastic fibers include
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repiratory and vocal cords
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Categories of connective tissue are
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Loose C.T. / Areolar
Adipose Fibrous Tissue Hyaline Cartilage Elastic Cartilage Fibrocartilage Bone |
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What is the function of Areolar Tissue
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binding skin to underlying organs and organs to organs. it is the space between muscles and is throughout the body
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what is another name for Adipose
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Fat
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Adipose is located
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beneath skin, around kideys and eyeballs, abdominal membranes
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The function of adipose is to
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be a protective cushion, insulation and to preserve body heat, store energy
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Adipose cells are called
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Adipocytes
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Fibrous tissue is also known as
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Dense tissue
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fibrous tissue is
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closely packed
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fibrous tissue is made of
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thick collagenous fibers and fine network of elastic fibers
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fibrous tissue has few cells and poor blood supply resulting in
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slow healing
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Fibrous tissue includes
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tendons and ligaments
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Tendons connect
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muscles to bones
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Ligaments connect
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Bones to bones
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Hyaline cartilage is very fine
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white collagenous fibers
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hyaling cartilage is most
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common
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hyaline cartilage is located
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at the end of bones and joints, nose, respiratory passages
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What are chondrocytes
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catrilage cells
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Elastic cartilage is more
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flexible and elastic
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elastic cartilage is found
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in the external ear and larynx
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Fibrocartilage is
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tough
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Fibrocatrilage is made of
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large numerous collagenous fibers
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Fibrocartilage is located
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intervertebral disks, menisci
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Bone is known as
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osseus tissue
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Bone is rigid due to
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mineral salts
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Bone has layers
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lamellae, haversian canals, osteocytes
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Blood circulates
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throughout the body
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Reticuloendothelial is found
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scattered throughout the body
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The three types of muscle tissue are
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Skeletal
Smooth Cardiac |
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Skeletal muscles are
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voluntary and striated
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Smooth muscles are
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in hollow organs, stomach
involuntary |
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Cardiac muscles are in
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the walls of the heart
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Nerve tissue is found where
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in the brain, spinal cord, nerves
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Neurons do what
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transmit signals
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neuroglia does what
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protection and support
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