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54 Cards in this Set
- Front
- Back
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Tissues
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a group of similar cells that preform a specific functions
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Histology
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study of cells
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Epithelium
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covers all the body, inside & out
major tissue of glands |
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Examples of epithelium
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outer layer of skin, lining of GI tract, respiratory tract, urinary tract, blood vessels
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Types of Epithelium
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squamous, cuboidal, columnar
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Squamous cells
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thin flat cells
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Cuboidal cells
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cube/squared shaped cells
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Columnar
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long, narrow, elongated cells
can produce mucus |
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What are the two types of glands?
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Endocrine & exocrine
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Endocrine
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ductless glands that release their secretions directly into the blood stream
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Exocrine
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secretes directly into organs, into body cavities or to the outside through ducts
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Stratified
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many layers of cells
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Connective Tissues
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-supports & forms the frame work of all pts of the body
-cells farther apart -most abundant by weight -classified by hardness |
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soft connective tissue
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fat
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Fibrous connective tissue
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very strong, w/stand pulling
binds body pts (tendons & ligaments) |
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tendons
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muscle to bone
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ligaments
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bone 2 bone
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Facia
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bans or sheets of connective tissues that supports & hold them in place
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superficial fascia
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under the skin, contains fat versus deeper in the body
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meninges
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layer of fascia that covers the brain & spinal cord "sheath"
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hard connective tissue
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cartilage: acts as a shock absorber
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liquid connective tissue
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blood
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Muscle tissue
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produces movement by forcible contraction
-cells change shape, shorter or thicker -doesn't repair quickly or at all |
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skeletal muscle tissue
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contracts at will, we will control (voluntary) it
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Striated
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attached to the skeleton
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Cardiac muscle
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what makes our heart beat (involuntary & striated)
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Visceral
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forms the walls of the viscera, organs of the visceral cavity, minus the heart (involuntary)
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Nerve tissue
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neuron is the basic structure of nerve tissue
-nerves give impulses to communicate with the brain |
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Nerve cell repair
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in brain & spinal cord, do not repair
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Membranes
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thin sheets of tissues
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All about membranes
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-some fragile/some tough
-some transparent/some opaque -some cover some partitions -line cavities & anchor organs |
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Epithelial membranes
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outer surface; underneath connective & muscle tissue
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mucous membrane
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lines tubes and other spaces that open to the outside of the body
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functions of the mucous membrane
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-secrete mucus
-protect deeper structures -absorb nutrients -lubricates organs |
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Serous membrane
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line body cavity and cover visceral organs
-keeps organs from rubbing against the body cavity |
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pleura
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membrane around the lungs
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pericardium
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membrane around the heart
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peritoneum
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membrane of abdominal crowd; largest sm
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omentum
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fold of peritoneum that hangs over the stomach and lower intestine
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greater omentum
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stomach to the intestine
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lesser omentum
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goes to liver
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mesentery
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double folded peritoneum that covers the backside of the organs
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Connective membranes
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sheaths of connective tissue that provide support
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fascial
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includes superfascial
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skeletal membranes
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Periosteum: includes bones, cartilage, tendons, & ligaments
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perichondrium
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covers cartilage
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synovial membrane
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lines the joint cavities & secretes fluid
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neuron
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nerve cell
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Where is mucus secreted from?
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endocrine glands
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What do chondrocytes produce?
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cartilage
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What is an example of structural connective tissue?
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bone
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Periostium is...
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covering the bone
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mucus membrane is...
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mouth
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visceral is...
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organs
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