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Anatomy > Lecture 4b: tissues 2 > Flashcards

Lecture 4b: tissues 2 Flashcards

1
Q

connective tissue [define (2); function (3)]

A
  • most abundant in the body
  • consists of ground substance, fibers and relatively very few cells
  • protection
  • supports and binds other tissue together
  • provides metabolic needs of other tissues
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2
Q

types of connective tissue (5)

A
  • connective tissue proper
  • cartilage
  • bone
  • blood
  • muscle
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3
Q

loose [areolar] connective tissue proper [define (3); location (4)]

A
  • abundant intercellular material
  • few cells/ scattered fibers
  • very vascular and flexible
  • distributed throughout the body
  • packing material around organs
  • surrounds muscle and blood cells
  • binds skin to underlying muscle
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4
Q

dense connective tissue proper [define (3); location (3)]]

A
  • large # of collagen fibers packed closely together
  • poor blood supply
  • strong but flexible
  • ligaments
  • tendons
  • outer covering of the eye [sclera]
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5
Q

regular/ irregular dense connective tissue proper

A
  • regular = fibers parallel to each other

- irregular = fibers poorly arranged

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6
Q

elastic connective tissue proper [define (2); location (4)]

A
  • contains many irregularly arranged elastic fibers
  • can be easily stretched and returned to original size
  • walls of arteries
  • larynx
  • trachea
  • bronchi
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7
Q

adipose connective tissue [define; location]

A
  • composed of fat cells filled with lipid

- located throughout the body

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8
Q

cartilage is composed of (3)

A
  • intercellular material [matrix]
  • cells [chondrocytes]
  • fibers
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9
Q

perichondrium (2)

A
  • tough, outer CT covering

- goes completely around cartilage and encases it

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10
Q

cartilage (is/ is not) avascular

A

cartilage is avascular

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11
Q

chondroitin sulfate

A

intercellular material of cartilage

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12
Q

cells [chondrocytes] of cartilage live in ____

A

a small space called lacunae

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13
Q

types of cartilage (3)

A
  • hyaline cartilage
  • fibrocartilage
  • elastic cartilage
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14
Q

hyaline cartilage [define (2); location (2)]

A
  • forms cartilaginous skeleton that serves as a model during fetal development
  • articular cartilage = covers surface of long bones at a joint
  • nose/ trachea/ bronchi [portions of respiratory tract]
  • ends of ribs
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15
Q

fibrocartilage [define (2); location (3)]

A
  • contains more fibers and is able to withstand compression
  • fibers are arranged in parallel bundles = increased tensile strength
  • in intervertebral disk
  • symphysis pubis
  • meniscus of the knee joint
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16
Q

elastic cartilage [define (1); location (3)]

A
  • contains numerous elastic fibers for increased elasticity
  • auditory [estachian] tube
  • external ear
  • larynx epiglottis
17
Q

bone [definition (1); composition (2)]

A
  • rigid connective tissue that forms skeletal support of the adult body
  • intercellular material = inorganic [protein] and organic [calcium salts]
  • cells = osteocyte; osteoblast; osteaoclast
18
Q

plasma

A

intercellular material of blood

19
Q

muscle is composed of ___

A

muscle is composed of fibers [long thin cells which contain contractile protein (actin and myosin)]

20
Q

ground substance (2)

A
  • part of the matrix of connective tissue

- serves as a pathway for transport/ exchange of nutrients/ waste products between the blood and tissue cells

21
Q

types of fiber (3)

A
  • collagenous = flexible yet strong; composed of protein collagen
  • elastic = capable of stretching and snapping back; composed of protein elastin
  • reticular = thin threads; form a delicate mesh-like network
22
Q

fibroblast (2) produces what?

A
  • most abundant
  • star/ elongated cell
  • produces and maintains CT fibers
23
Q

adipocytes [fat cells] (2)

A
  • stores fat/ lipids

- cushioning mechanism/ energy source

24
Q

macrophages [phagocytes]

A
  • engulf bacteria/ debris to lysize (digest) them
25
Q

plasma cells produce ____

A

produce antibodies

26
Q

mast cells (2)

A
  • produce histamine [as part of immune response]

- affects permeability of blood cells by dialation

Anatomy (10 decks)

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