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A&P I Practical 1

Jenney Grima IRSC

QuestionAnswer
Simple Cuboidal function Secretion and Absorption
Simple Cuboidal Location Kidneys
Transitional Function Provides Stretch
Transitional Location Bladder, ureters, urethra
Simple Squamous Function Filtration (kidneys), diffusion (air sacs of the lungs)
Simple Squamous Location Alveoli of lungs, kidney glomeruli, lining of vessels
Simple Columnar Location Intestinal tract
Simple Columnar Function Absorption, secretion of mucus, enzymes, and other substances
Pseudostratified Ciliated Columnar Location Trachea and bronchial tubes
Pseudostratified Ciliated Columnar Function Secretion of mucus, propulsion of mucus by cilia
Stratified Squamous Location Lines mouth,vagina, esophagus, skin
Stratified Squamous Function Protection
Specific types of stratified squamous Keratinized Non-keratinized
Major types of adult tissues Epithelial Connective Muscle Nervous
Main classes of connective tissue Connective tissue proper (Fibrous Tissue) Cartilage Bone tissue Blood
Functions of connective tissue Enclose organs-Areolar Connect tissues to one another-Tendons and ligaments (Dense connective tissue) Support and movement-Bone Storage-Fat Insulation-Fat Transport-Blood Protection-Bones, cells of the immune system
Fibroblasts secrete the protein needed for fiber synthesis and components of the extracellular matris
Adipose (adipocytes) Common in some tissues (dermis of skin); rare in some cartilage
Mast Cells Common beneath membranes; along small blood vessels. can release heparin, histamine, and proteolytic enzymes in response to injury
Leukocytes Respond to injury or infection
Macrophages Derived from monocytes (a WBC). Phagocytic; provide protection
Chondroblasts Form cartilage
hematopoietic stem cells form blood cells
undifferentiated mesenchyme (stem cells) have potential to differentiate into adult cell types
The 3 major components of ECM 1.Protein fibers(Collagen, Elastic, Reticular) 2.Ground substance 3.Fluid
Collagen Fibers Composed of the protein collagen. strong, flexible, inelastic; great tensile strength. Perfect for tendons, ligaments
Elastic Fibers Contain molecules of protein elastin that resemble coiled springs. Returns to its original shape after stretching or compression. Perfect for lungs, large blood vessels
Reticular Fibers Formed from fine collagenous fibers; form branching networks (stroma). fill spaces between tissues and organs.
Adipose Tissue Function Protection, storage
Adipose tissue Location Under the skin, around the eyes kidneys, heart
Reticular (Loose) Connective Tissue Location Internal skeleton: lymph nodes, spleen
Reticular (Loose) Connective Tissue Function Soft internal skeleton, supports other cell types.
Hyaline Function support, reinforce, resist compressive stress
Hyaline Location Embryonic skeleton, cover end of bones, trachea, nose, larynx
Aerolar Loose Connective Function Wraps and cushions organs; inflammation
Aerolar Loose Connective Loction Widely distributed under epithelia
Dense connective Tissue Location Tendons, ligaments, aponeurosis
Dense connective Tissue Function Attaches muscles to bones and bones to bones
Osseous Tissue Function Storage, support
Osseous Tissue (Compact) Location Bones
Spongy Bone or Cancellous Bone function Support
Spongy Bone or Cancellous Bone Location In the center of flat bones and in the ends of long bones
Types of blood cells Erythrocytes-RBC Leukocytes-WBC Thrombocytes-Platlettes
Characteristics of muscle tissue -cells are referred to as fibers -contracts or shortens w/force when stimulated -moves entire body and pumps blood
Types of Muscle tissue Skeletal-attaches to bones Cardiac-muscle of the heart Smooth-muscle associated w/tubular structures and with the skin. nonstriated and involuntary
Skeletal Muscles Function Voluntary movement locomotion manipulation of the environment facial expression voluntary control
Skeletal Muscles Location muscles attached to bones or occasionally to skin
Cardiac Muscles Location The walls of the heart
Cardiac Muscles Funtion As it contracts, it propels blood into the circulation involuntary control
Smooth Muscle Function Propels substances or objects along internal passageways (foodstuff, urine, baby)
Smooth Muscle Location Mostly in the walls of hollow organs
Nervous Tissue function transmit electrical signals from sensory receptor and to effectors (muscles and glands) that control their activity
Nervous Tissue Location Brain, spinal cord, and nerves
Layers of the Epidermis Stratum Corneum Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Basale
Created by: banken