CHAPTER 5 Word Scramble
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Question | Answer |
Tissue | Groups of similar cells are organized into tissue |
The study of tissue is | Histology |
4 major types of tissue | Epithelial Connective Muscle Nervous |
Function of Epithelial | Protection Secretion Absorption Excretion |
Connective tissue function | Binds, supports, fills, stores fat, produces blood cells |
Muscle tissue function | Movement |
Nervous tissue function | Conducts impulsive |
3 intercellular junctions | Tight junction Desmosomes Gap junctions |
Tight junction function and example | Epithelial and close space between cell by fusing cell membranes Lines the small intestine |
Desmosomes function and example | Epithelial and binds cell by forming "spot welds" between cell membrane Outer skin layer |
Gap junction function and example | Form tubular channels between cell that allow exchange of substance Cardiac muscle |
General info on epithelial tissue | Covers organs and body surface Lines cavities and shallow organs Makes up glands Goes under mitosis A LOT and rapidly |
Simple Squamos location and function | Lungs ; diffusion and filtration |
Simple cuboidal location and function | Kidneys ; secretion and absorption |
Simple columnar location and function | Digestive tract (stomach, intestines) ; secretion and absorbtion |
Pseudostratified columnar location and function | Respiratory tract. ; protection Has cilia |
Stratified squamous location and function | Many layer in skin ; protection |
Stratified custodial | |
Stratified columnar | Protection ; lines male urethra |
Transitional | Urinary bladder ; protection Changes shapes |
Glandular epithelial | Compose of cells that produce and secrete substance into ducts or body fluid |
2 types of glands | Endocrine glands Exocrine glands |
Endocrine glands | Secrete into tissue fluid or blood |
Excorine glands | Secretes into ducts that open onto surface |
2 structural types of exorine glands | Unicellular Multicellular |
Unicellular | Compose of one cell. Such as goblet cell |
goblet cell does what | Secrete mucus |
Multicellular | Compose of many cells Example ; sweat and salivary gland Simple and compound |
Epithelial tissue doesn't have bloood vessels which is | A vascular |
Connective tissue provides | Nutrients to epithelial |
Connective tissue is where? | Under epithelial |
Merocrine glands and location | Secrete fluid by exocytosis Salivary and swat glands and pancreas |
apocrine gland and location | lose small part of cell during secretion Mammary and ceruminous glands (ear wax) |
Holocrine gland and location | Release entire cells filled with product Sebaceous gland |
Connective tissue general info | Most abundant tissue type Cells are farther apart then epithelial cells Stores fat Contains matrix betweeen cells |
Matrix is | Stuff around cell Ranges from liquid to solid Often has fibers presented |
Most connective tissue has _____ blood supply | Good/excellent |
Major cell types of connective tissue | Fibroblast cell Macrophages Master cell |
Fibroblast | Makes fibers into matrix |
Macrophages | Defense against infection |
Master cell | Promotes inflammation to promote healing |
Major fibers in Connective tissue | Collagen fibers Elastic (yellow) fibers Reticular fibers |
Collagen fibers | Very strong |
Elastic fibers | Stretchy |
Reticular fibers | Thins and branches In walls of spleen and liver |
Areolar (loose) connective tissue Location Function Fibers Cell types Vascularity | Fibroblast cells Under/in skin Binds and is filler Between muscle Good blood supply Fibers are Collagen |
Adipose Location Function Fibers Cell types Vascularity | Behind eyes / under skin Cushion, insulates, stores Adipocyte stores fat |
Adipocytes | Fat cells |
Reticular connective tissue Location Function Fibers Cell types Vascularity | Thin reticular fibers Supports walls of internal organs Walls of liver and spleen |
Dense regular | Worse blood supply Closely packed collagenous fibers Few blood vessels Tendons and ligaments Slow to heal |
Dense irregular | Fibers going in different directions Plenty of blood vessels Dermis of skin Fast healing |
Dense elastic | In walls of arteries Stretchy In aordia artery |
Cartilage | Flexible support Poor blood supply Has chondrocytes and lacunae surround matrix |
Chondrocytes | Cartilage cell |
Lacunae | Chambers (holes) in the cartilage |
3 types of cartilage | Hyaline Elastic Fibrocartilage |
Hyaline | Collagen fibers Ends of bones Flexible support |
Elastic cartilage | Outer ear More flexible support Elastic fibers |
Fibrocartliage | Between vertebrae Cartilage pads in knee Stronger support |
Bone | Has lacunae Support Skeletal Good active blood supply |
Blood | Liquid Transportation |
Osteocytes | Bone cell |
Serous membranes | Line closed body cavities Wet -> serous fluid Thin simple squamous and areolar |
Mucous membranes | Lines open body cavities Ex; mouth Wet -> mucus Epithelial and areolar |
Cutaneous membranes | Dry Stratified squamous Areolar and dense irregular |
Synovial membranes | Lines joint cavities Only connective tissue Wet -> synovial |
Muscular tissues | Skeletal Cardiac Smooth |
Skeletal tissue | Voluntary and moves body |
Cardiac | Involuntary and moves blood Heart |
Smooth | Involuntary and walls of hallow organs |
Nervous | Nerves brain spinal cord Transmits implusives |
Created by:
Kellifrench
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