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47 Cards in this Set
- Front
- Back
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Three features that all connectibe tissues have in common
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1) specialized cells
2) ground substance 3) protien fibres |
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fibroblasts
(2 points) |
- separated by jelly-lyke ground substance
- contain white collagen fibres |
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loose fibrous connective tissue
(2 points) (example?) |
- supports epithelium/internal organs
- allow expansion ex) adipose tissue |
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dense fibrous connective tissue
(2 points) (example?) |
- many collagen fibres packed together
- connect things ex) tendons, ligaments |
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cartilage
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cells that lie in small chambers and are seperated by a solid/flexible matrix
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Three types of cartilage
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1) Hyaline
2) Elastic 3) Fibrocartilage |
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Three types of specialized connective tissue
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1) Bone
2) Blood 3) Cartilage |
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Lymph
(3 points) |
- clear fluid derived from the fluids surrounding the tissues
- contains WBCs - absorb excess fluids/solutes/fats |
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smooth muscle
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no striations
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dendrites
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recieve the signal
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glandular epithelium
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glands are epithelial cells that secrete fluids
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exocrine glands
(example?) |
ducts on the outer surface of the body
ex) subaceous glands |
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endocrine glands
(example?) |
no ducts
ex) hormones |
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Percentage of body weight our skin makes up
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15%
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keratin
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allows our skin to remain waterproof
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Two types of specialized cells in the epidermis
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1) Langerhans Cells
2) Melanocytes |
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langerhans cells
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stimulate the immune system
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Two components of the subcutaneous layer
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1) Adipose Tissue
2) Loose connective tissue |
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What does too much CO2 do to the pH balance?
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Makes it too acidic
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Two cavities in our body
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1) Ventral
2) Dorsal |
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mucus membranes
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line cavities and internal spaces of organs
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Two examples of serous membranes
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1) lungs
2) heart |
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synovial membranes
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joints
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negative feedback
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output of the system resolves/corrects the original stimulus
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positive feedback
(example?) |
mechanism that brings about an increasing change in the same direction
ex) women and labor, blood clotting, fever |
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Five functions of the skeletal system
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1) support
2) protection 3) movement 4) blood cell production 5) mineral storage |
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diaphysis
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main portion of the bone
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appendicular skeleton
(5 points) |
- scapula
- clavicle - upper limbs - pelvic girdle - lower limbs |
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Fibrous articulations
(2 points) |
- sutures
- immovable |
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cartilaginous articulations
(made of - 2 points) (1 point) |
- firbocartilage
-hyaline cartilage - slightly movable |
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synovial articulations
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freely movable
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What is the name of muscle cells?
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muscle fibres
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origin
(example?) |
stationary bone
ex) humerus |
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insertion
(example?) |
the bone that is going to be moving
ex) radius |
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busae
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act as cushions between bones and tendons
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fascicles
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bundles of skeletal muscle fibres
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What happens to muscles when they contract?
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they shorten
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intercalated discs
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regions that hold adjeacent cardiac muscle cells together
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T-System
(3 points) |
- T-tubules
- contract expanded portions of the sarcoplasmic rectilium - calcium storage sites |
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striations
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myofilaments with myofibrils
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thick myofilaments
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myosin
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thin myofilaments
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actin
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Where do muscles get fuel in MUSCLES?
(2 points) |
- glycogen
- triglycerides |
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Where do muscles get fuel in BLOOD?
(2 points) |
- glucose
- fatty acids |
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What causes contraction?
(5 points) |
- actin filaments get closer together
- slide past myosin filaments - I band shortens - Z line moves inward - H zone disappears |
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I bands
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only actin myofilaments
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A bands
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overlapping myosin and actin myofilaments
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