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A & P Tissues MGCCC
A & P Tissues
| Question | Answer |
|---|---|
| What are the 2 types of Merocrine Glands? | Serous and Mucous |
| What are the 3 types of Exocrine Glands? | Merocrine, Apocrine and Holocrine |
| Glandular Epithelium consist of? | Secretory columnar and cubodial epithelia |
| What does Transitional Epithelium do? | Lines the urinary bladder and system to provide an expandable lining. |
| What is Stratified Squamous Epithelium? | Thick tissue consisting of many layers, forms outer layer of skin. |
| How many types of Stratified Squamous Epithelium Cells are there? | 2, Keratin and Non Keratin Cells |
| What is a Keratinized Cell? | accumulated by the older cells of the epidermis which causes them to become old and die. |
| What do Non-Keratinized Cells line? | The mouth, throat, vagina and anal canal. |
| What is Pseudostratified Columnar? | appears to be layered but is not- nuclei are located on many levels, cells posess cilia and are found in respiratory and reproductive system. |
| What is simple columner epithelium? | elongated cells with nuclei located near the basement membrane. occurs in uterus, stomach and intestines. Absorption. |
| What is the main role of Microvilli? | Increase Surface area |
| What do goblet cells do? | secrete protective fluid onto tissues. |
| Simple Cubodial Epithelium? | consist of a single layer of cube shaped cells, nuclei are centrally located. |
| Simple Cubodial lines...? | ovaries and kidneys |
| Simple Cubodial's function? | Secretion and Absorption |
| Simple Squamous Epithelium? | consist of a thin layer of flattened cells. |
| Simple Squamous line....>? | air sacs |
| What occurs in Simple Squamous? | diffusion |
| What are tissues? | groups of cells which perform specialized structural and functional roles. |
| 4 major types of Tissue? | Epithial, Connective, Muscle and Nerve |
| What Epithelial Tissues do? | cover all the body surfaces inside and out and are the major tissue of glands. |
| What is a basement membrane? | located in the non living underside of the epithelium which heals rapidly and provides a protective barrier for the body. |
| Epithelial is responsible for...? | Secretion, Absorption, Excretion and Sensory reception. |
| What are Exocrine Glands? | secrete products into ducts opeining onto an internal or external surface. |
| How many types of Exocrine glands? | 3 |
| What are Merocrine glands? | release fluid through the cell membrane and do not lose any portion of the cell during secretion. |
| What are examples of Merocrine glands? | Salavary, Pancreatic and some sweat glands |
| What are most glands? | Merocrine glands |
| What are the 2 catagories of Merocrine glands? | Serous and mucus |
| What do serous glands do? | secret serous fluid which is water and has high enzyme concentration. |
| Example of serous gland...? | Digestive tract. |
| What do mucous glands do? | secretes thick layer of mucous which is rich in glycoprotein called mucin. |
| What is mucin? | glycoprotein |
| Example of mucous glands...? | Digestive tract and respirtory tubes. |
| What are Apocrine Glands? | Lose small portion of cell during secretion. |
| Examples of Apocrine Glands...? | Mammory and some sweat glands. |
| What are Holocrine glands? | release entire cells filled with secretory products. |
| Examples of Holocrine glands...? | sebacous glands ( oil ) |
| what are endocrine glands? | secrete products into tissue, fluid or blood. |
| What is an example of endocrine glands? | hormones |
| What are the most abundant tissue? | connective |
| what are connective tissues function? | binds structures together, provides support, serves as frame work, fills spaces, stores fat, produces blood cells, protects against infection and helps repair tissue damage. |
| What are resident cells? | present in stable numbers in connective tissue |
| What are fibroblasts? | secretes protiens into the matrix to produce fibers |
| what is the most common resident cell? | fibroblasts |
| what fibers are produced by fibroblasts? | collageneous and elastic |
| what are collagenous fibers? | thick thread like componets of collagen that make up tendons. |
| what are other names for collagenous fibers? | dense connective tissue or white fibers. |
| what are elastic fibers? | composed of microfibers and a protein called elastin. |
| where are elastic fibers found? | vocal cords |
| what is another name for elastic fibers? | yellow fibers |
| what are macrophages? | responsible for phagocytosis which allows them to clear the body of froeign particles and change shape |
| what is phagocytosis? | ability to change shape and engulf an object. |
| what are mast cells? | widely distributed in connective tissue and are located near blood vessels. |
| What do Mast Cells contain? | Heparin- which prevents blood clotting and histamine. |
| what are Wandering Cells? | appear temporarily due to infection. |
| what are examples of wandering cells? | white blood cells |
| What are loose connective tisses? | forms thin delicate membranes which contain collagin and elastin fibers. |
| what do loose connective tissues do? | bind skin to underlying organs, fill spaces between muscle, lay beneath epithelium, provide nurishment for epithelial cells. |
| what serves as a protective cushion for joints and organs? | adipose tissue |
| what is adipose tissue made of? | fat |
| what is adipose tissue? | specialized form of tissue found beneath the skin and in between muscles. |
| what is a heat insulator and storer of fat? | adipose tissue. |
| what are fibrous connective tissue? | dense tissue that conatins many closely packed thick collagenous and elastic fibers |
| what binds body parts together? | fibrous connective tissue |
| what is slow healing and has poor blood supply? | fibrous connective tissue. |
| what is cartilage? | rigid connective tissue which supports protects and provides framework. |
| what are cartilage cells called? | chondroytes |
| what occupy small chambers called lacunae? | chondroytes. |
| what is a perichondrium? | a fiberous connective tissue which encloses the cartilage. |
| what doesnt have a blood supply? | cartilage. |
| what are the 3 types of cartilage? | Hyaline, Elastic and fibrocartilage. |
| what is hyaline cartilage? | has fine cartilage fibers and is found in the soft part of the nose. |
| what is the most common type of cartilage? | Hyaline |
| what is elastic cartilage? | has a dense network of fibers and is more flexible. found in the ear and larynx. |
| what is fibrocartilage? | tough tissue with many collagenous fibers. found between the vertibrae and in the knees and pelvus. |
| What is bones function? | probides internal support, protects vital organs, serves as an attachment for muscles and forms red blood cells. |
| what is the most rigid connective tissue? | bone. |
| cytes = ? | cells |
| what are osteonic or Haversian canals? | are tiny longitudinal tubes which are surrounded by hin layers of bone matrix called Lamellae |
| what are Lamellae? | Thin layers of bone matrix. |
| what are osteocytes? | bone cells |
| what are canaliculi? | small tubes in the matrix which connect haversian canals. |
| what is blood? | is made of cells suspended in a blood plasma. |
| how many types of blood cell are there? | 3, erythrocytes-red, leucocytes-white and thrombocytes-platlets. |
| erythrocytes function? | carry oxygen |
| leucocytes function? | immunity |
| thrombocytes function? | clotting |
| Reticuloendothelial connective tissue? | made mainly of macrophages which injest and destroy foreign partlicles. |
| what are the 3 types of muscle tissue? | skeletal, smooth and cardiac |
| what is skeletal muscle? | attached to bones and can be voluntary controlled. tissue has light and dark striations ( called striated) |
| example of skeletal muscle? | deltoid |
| what are smooth muscles? | lack strationa nd is found in the stomach, intestines, urinary bladder, uterus and blood vessels. are involuntary. |
| what are cardiac muscles? | occurs in the heart and is striated. has inter related disks is involuntary. |
| which muscle is voluntary? | skeletal |
| which muscles are involuntary? | cardiac and smooth |
| where is nerve tissue found? | in the brain, spinal cord and peripheral nerve cells. |
| what are peripheral nerve cells called? | neurons. |
| what has the greatest control over the bodies responsiveness? | the nervous system |
| what is the first step of tissue development? | when the sperm and egg form a zygote. |
| what is a zygote? | the first cell of a new individual. |
| how many layers does an embryo have? | 3, endoderm, ectoderm and mesoderm. |
| which systems are located in the ectoderm? | integumantary |
| which systems are located in the mesoderm? | muscle, skeletal, reproductive, urinary and some resp. |
| which systems are located in the endoderm? | cardiac and some respiratory. |
| what are the steps of tissue repair? | Inflammation, Organization and regeneration. |
| what is a negitive aspect of tissue repair>? | scarring which can limit mobility or function of tissue before it was damaged. |
Created by:
meganmoore
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