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LQB185 > Tissues > Flashcards

Tissues Flashcards

1
Q

Four Primary Tissue Types (CMEN)

A

Epithelial
Connective
Muscular
Nervous

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2
Q

Epithelial Tissue Function:

A

protection, secretion, filtration, absorption, sensory e.g. skin
covers all surfaces of the body and lines inside of organs. provides body’s first line of protection form phsyical, chemical, and biological wear and tear.

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3
Q

Muscular Tissue Function:

A

Provides movement, maintains posture, produces heat.

e.g. smooth, skeletal, cardiac

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4
Q

Nervous Tissue Function

A

responsible for coordinating and controlling many body activities. It stimulates muscle contraction, creates an awareness of the environment, and plays a major role in emotions, memory, and reasoning.

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5
Q

Connective Tissue Function

A
  • connects, structure, support, protection, highly vascularised and has nerve supply.
  • high tensile strength
    e. g. tendon
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6
Q

Four Types of Connective Tissue

A
  • proper
  • cartilage
  • bone
  • blood
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7
Q

three fibres in Connective Tissue:

A
  • collagenous (thick, high tensile strength)
  • elastic (long, thin, stretch)
  • reticular (short, fine, branch out)
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8
Q

Two types of proper connective tissue:

A
  1. Dense: is for strength (irregular, regular, elastic)

2. Loose: holds organs in place (adipose, areolar, reticular)

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9
Q

Cartilage

A

type of connective tissue that forms structural components of body

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10
Q

three types of cartilage:

A
  1. Hyaline
  2. Elastic
  3. Fibrocartilage
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11
Q

Hyaline Cartilage

A

form on joints of long bones

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12
Q

Elastic Cartilage

A

provides strength, and elasticity while mantaining shape. e.g. nose, ear epiglottis

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13
Q

Fibrocartilage

A

strongest cartilage.

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14
Q

Bone:

A

major structural and supportive connective tissue. responsible for ridgity, slight flexibility, maintainance of calcium, blood cell production.

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15
Q

Blood:

A

transports H2O and CO. connects body systems together, brings oxygen, nurtients, hormones etc and removes wastes

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16
Q

Simple epithelial

A

one layer

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17
Q

Stratified epithelial

A

more than one layer

18
Q

Psuedo-stratified epithelial

A

one layer, but looks like more than one

19
Q

Squamous Epithelial Cells

A

flat cells

20
Q

Cuboidal Epithelial Cells

A

Cube like shaped cells

21
Q

Columnar

A

collum like shaped cells

22
Q

Glandular Epithelium

A

a gland is a single or a mass of epithelial cells adapted for secretion

23
Q

Keratinised Epithelial Cells

A

numerous layers of dead squamous cells, which are specially structured to be waterproof and reduce evaporation from underlying tissues. e.g. epidermis

24
Q

Non-Keratinised Epithelial Cells

A

moist, and it contains living cells in the surface layer. e.g. lips

25
Q

Non-cilliated Epithelial Cells

A

Nonciliated cells lack cilia and goblet cells

26
Q

Ciliated Epithelial Cells

A

secrete mucus and bear cilia

27
Q

Types of Connective Tissue

A 
Proper Connective Tissue:
- Loose: holds organs in place
- Dense: strength
'Lara was in Dire straights'
Other Connective Tissue:
- Cartiliage
- Bone
- Blood
28
Q

Loose Connective Tissue

L-ARA

A
  • Areolar: in skin, mesh like
  • Adipose: store fat (lipids) molecules, lines organs for protection
  • Reticular: in lymph nodes
29
Q

Dense Connective Tissue (D-IRE)

A

Regular: e.g. tendons, ligaments
Irregular: e.g. dermis
Elastic: e.g. in blood vessels

30
Q

Cartilage

A
  • firm but softer than bone
  • made up of chondrocytes
  • no blood vessels
31
Q

Types of Cartilage

A
  • Hyaline/Articular Cartliage: lines the portion where two bone meet
  • Elastic: provides strength, elasticity, maintians shape e.g. epiglottis
  • Fibrocartilage: found in weight bearing joints
32
Q

Bone:

A
  • highly vascular and mineralised
  • major structural and supportive tissue
  • responsible for rigidity and slight flexibility
  • maintenance of calcium stores
    primary location of blood cell production
33
Q

three types of cells in bones:

A
  • Osteoblasts: deposit bone
  • Osteocytes: maintain bone
  • Osteoclasts: break down bone
34
Q

Blood

A
  • fluid connective tissue
  • comprised of formed elements surrounded by a liquid matrix containing dissolved substances
  • Erythrocytes (RBC): distributes oxygen
  • Leukocytes (WBC): immune response
  • Platelets: blood clotting
35
Q

Skeletal Muscle:

A

attached to bones to help with voluntary movement

36
Q

Cardiac Muscle

37
Q

Smooth Muscle

A

Involuntary Movement

38
Q

Shape of Muscle Types

A

Skeletal Muslce: striated
Cardiac: Branched
Smooth: spindle shaped

39
Q

Types of Nervous Tissue:

A
  • Neurons: comm. between brain and cells

- Nuroglia: keeps neurons toegther. support and proetc neurons

40
Q

Neurons:

A
  • axon
  • ## soma
41
Q

Tissue Definition

A

a group of cells that have similar structure and that function together as a unit

LQB185 (33 decks)

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