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The tissue level

Chapter 4 Anatomy

What is Histology The study of Tissues
What are the 4 Primary types of tissue Epithelial, Connective, Nervous, and Muscle
What are the characteristics of the Epithelial tissue Cellularity, Avascularity, Regeneration, and Polarity
What is Cellularity Cells close together, little intercellular material between them. Less space = more cellularity
What is Avascularity No blood vessels
What is Regeneration Replicates at high speed
What is Polarity Exposed surface, and Attached surface
What is another name for the Exposed surface of Polarity Apical Surface
What is another name for the Attached surface of Polarity Basal Surface
What is the purpose of Epithelial Protective
Where do you find Epithelial Skin, Organs, Body Cavities, and Blood Vessels
Where do you find Connective Tissue Ligaments, Tendons, blood
Where do you find Nervous Tissue (Impulses) Brain, Spinal Cord
Where do you find Muscle tissue (Contracts) Everywhere, organs
___________ provides physical protection Epithelial
___________ Controls Permeability Epithelial
___________ Provides Sensation Epithelial
___________ Produces Specialized secretions Epithelial
Exocrine Secretions discharge into surrounding surface (Milk, Sweat)
Endocrine Secretion Released into surrounding fluid, Thyroid(Metabolic weight), Pancreas(Insulin), and Pituitary (Growth Hormone)
How do you classify epithelial tissue The cell layers, and cell shape
What are the two types of cell layers Simple, and Stratified
What are the three cell shapes Squamous, Cubodial, and colomnar
_____ is egg shaped with nucleous in middle Squamous
_____ is box shaped Cubodial
_____ is in colums with nucleous at bottom colomnar
which epitelial covers the basment membrane of the cell in many layers stratified epithelial
single layer cell membrane basement simple epithelial
found in mechanical or chemical stress areas stratified epithelium
protect areas of body like, heart, blood simple epithelial
found in secretion areas simple epithelial
lining of the intestine simple epithelial
lining of the mouth and surface of skin stratified epithelial
exocrine means secretions discharged into the surface
where do you find exocrine duct gland, sweat, saliva, tears
what are the three modes of secretion merocrine, apocrine, holocrine
merocrine exocrine is relased thoughout exocytosis (mucus)
apocrine exocrine is loss of cytoplasm as well as secretory products
holocrine exocrine is destroy gland cell (oil)
Endocrine is relased secretions into surrounding interstitual fluid
where do you find endocrine lymph & blood, helps secretes, hormones (intercellular fluid)
what are the three types of glands serous, mucous, mixed exocrine
a serous gland is watery solution contains enzymes, salvary glands
a mucous gland is secretes mucins, lubricating, small intestines
a mixed exocrine gland is two or more gland cells, secretes serous & mucus
intercellular substance matrix
most volume of connective tissue matrix
what is in connective tissue blood, bone, fat
what does connecitive tissue do specilize cells that make up blood, bones and fat
what protein does connective tissue have extracellular protein, the proteins outside of the cell
which protects organs connective
which establishes structural framework for body Bone, connective
which transports fluid and dissolved materials blood, connective
which protects organs fat & bone, connective
which support surrounds & interconnects other tissue types bone, fat, and blood, connective
which stores energy fat lipids, connective
which defends body blood, white, connective
*types of connective tissue proper Loose connective tissue, Adipose, and Dense connective tissue
#Loose connective tissue Areolar tissue, Packing material of body
Adipose Fat tissue, provides padding&cushing
18% in males adipose ( connective tissue proper )
28% in woman adipose ( connective tissue proper )
Dense connective tissue Tendons, Ligaments
Tendons bone to bone (Dense connective tissue/connective tissue proper)
Ligaments Bone to muscle (Dense connective tissue/connective tissue proper)
#Fluid connective tissue Blood & lymph
In fluid connective tissue, what do paltlets clutaling
lymph fluid connective tissue, lymphatics
lymphatics small passageway passes through ducts
how many lymphoctes are there 99% white blood cells and fights disease
*Supporting connective tissue Cartilage, & bone
Types of Cartilage Hyaline, Elastic, and Fibrocartilage
Hyaline (cartliage, connective tissue) Most common, Ribs/sternum
Elastic (cartilage, connective tissue) Outer ear, Highly flexible
Fibrocartilage (cartilage, connective tissue) Joints of knee, flexible, looks like a sponge, spinal vertebre
Osseous tissue Bone
Ossification process of bone formation
Types of bone cells Osteoclasts, Osteoblast
Osteoclast reabsorb bone
osteoblast form bone
Perlosteum sheath of bone aids in attachment of bone to tissue
sarco means muscle
sacroplasm cytoplasm, muscle
sarcolemma cell membrane, muscle
specalized for contraction muscle tissue
three types of muscle tissue skeletol muscle, cardiac muscle, and smooth muscle tissue
skeletal muscle large muscle cell, striated voluntary muscle ( contractions )
Cardiac muscle only in heart, striated involuntary muscle
smooth muscle tissue found in walls of blood vessels, around hollow organs (bladder), nonstriated involuntary muscle
Neural tissue conduction of electrical impluses
98% neural tissue in brain and spinal cord
two types of nerve tissue neuron, and Neuroglia
Neuron basic unit
Neurogilia Supporting cells
3 groups of neurons Sensory, Motor, and Associated
Sensory neurons Recieves impulses from sense organs, ex: hand on a hot stove
Motor carry impluses to muscle ex: signal to move hand away
Associated Relay impulses from sensory to motor ex: act of moving hand away from stove
How is tissue injury restored homeostasis
Homeostasis in tissue Inflimation & regeneration
Inflimation isolates injured area while injured cells clean up
regeneration repair process that restores normal function
Aging repair & maintince is less effective, chemical composistion is altered
Four primary tissue types found in human body are Epithelial, Connective, Muscle, and Neural
Two types of layering recognized in epithelial tissue are Simple & Stratified
The two types of cells that form gladular epithelium that secrete enzymes and buffers in the pancreas and salivary glands are: simple cubodial epithelium
the types of epithelial tissue found only along the ducts that drain sweat glands is stratified cubodial epithelium
Created by: fffirecracker37