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Y1S1 - SRUC - Anat & Phys > Tissues > Flashcards

Tissues Flashcards

1
Q

Function of epithelial tissue

A

Protect
Absorb
Secrete

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2
Q

Function of connective tissue

A

Connect
Support
Transport nutrients
Conduct waste material

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3
Q

Function of muscle tissue

A

Brings movement

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4
Q

Function of nervous tissue

A

Conduct nerve impulses
Coordinates response

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5
Q

Function of simple cuboidal epithelium

A

Lines glands and their ducts
Absorb or secrete

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6
Q

Example of location of simple cuboidal epithelium

A

Lining renal tubules

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7
Q

Simple squamous epithelium

A

Thin and delicate
In areas that need to be easily permeable to molecules like O2
e.g. lining of blood vessels & alveoli

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8
Q

Simple columnar epithelium

A

Absorptive function (intestines)
Secretory function (digestive function)

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9
Q

Ciliated epithelium

A

More specialised with cilia
URT
Uterine tubes

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10
Q

Stratified epithelium

A

Areas where wear and friction
e.g. epidermis of skin

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11
Q

Pseudostratified epithelium

A

Trachea

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12
Q

Transitional epithelium

A

Specialised
Urinary system
Can distend

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13
Q

Glandular tissue

A

Modified epithelium tissue
Protective or secretory
Can be unicellular/ multicellular

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14
Q

Unicellular glands

A

Individual secretory cells
Most common cell: goblet cell (secretes mucus)
e.g. oral cavity & vagina

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15
Q

Multicellular glands

A

Many secretory cells

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16
Q

What is haemopoeitic tissue?

A

Connective tissue
Forms bone marrow within long bones
Helps form blood cells

17
Q

Aeroloar tissue

A

Connective tissue
aka Loose connective tissue
Most widely spread
e.g. beneath skin, around BV
2 protein fibre: collagen (secreted by fibroblast) & elastic fibres
Fat cells also can b there
Has macrophages (phagocytosis)

18
Q

Adipose tissue

A

Matrix has mostly fat-filled cells close together
Energy reserve
In dermis of skin: insulates body (less heat loss)
Protective function: e.g. kidney

19
Q

Dense connective tissue

A

aka Fibrous connective tissue
Densely packed collagen fibres
Few fibroblasts
2 arrangements: parallel/regular (e.g. tendons)
or Irregular (e.g. dermis of skin/ capsules of joints)

20
Q

Cartilage

A

Specialised connective tissue
Rigid, but flexible and resilient
MUO chondrocytes and fibres
No blood supply
Gets nutrients from fibrous sheath/ perichondrium
3 types of cartilage: hyaline, elastic, fibrocartilage

21
Q

Hyaline cartilage

A

Most common in body
Translucent. bluish-white
Random arrangement of fibres
e.g. articular surfaces of joins & support in nose, larynx, trachea & bronchi
Also skeleton of embryo b4 ossified during endochondral ossification

22
Q

Elastic cartilage

A

Has Chondrocytes & elastic fibres
Where support with flexibility is needed e.g. external ear/ epiglottis

23
Q

Fibrocartilage

A

Higher collagen fibres e.g. intervertebral discs & menisci of stifle joint
Attaches the tendons and ligaments to bone

24
Q
A
24
Q

Bone

A

Living tissue
Can repair
MUO extracellular matrix that contains protein osteoconectin & collagen fibres = osteoid
(unmineralised)
Crystals of insoluble calcium phosphate are deposited as bone tissue becomes calcified

25
Q

Lacunae

A

Spaces in bones where osteocytes are found

26
Q

What runs through bone matrix?

A

Fine channels called Haversian canals

27
Q

What surrounds haversian canals?

A

Concentric cylinders of matrix materials called lamellae & osteocytes within the lacunae

28
Q

What cover the outer surface of all types of bone?

A

Periosteum - fibrous membrane

29
Q

2 types of bone tissue

A

Compact bone: on outer layer of all bones.
Cancellous/ spongy bone: internal meshwork of bony struts/ trabeculae with interconnected spaces between with Red bone marrow

30
Q

Where is cancellous bone found?

A

Ends of long bones
Core of short irregular & flat bones

31
Q

Skeletal/ striated muscle

A

Voluntary
Muscle cells = long, cylindrical & parallel
MUO myofibrils which are 2 contractile proteins (actin and myosin)
Several nuclei

32
Q

Smooth muscle

A

Involuntary
Unstriated
Visceral
E.g. walls of BV, digestive tract
Autonomic nervous system
Long and spindle-shaped
1 nucleus

33
Q

Cardiac muscle

A

Forms myocardium
Involuntary
Striated
1 nucleus
Intercalated discs

34
Q

Nervous tissue

A

Main cell = neuron
Neuron: cell body, dendrons, axon
Dendron: message to cell
Axon: messages away
Myelin = fatty materials which covers axons. Formed by Schwann cells - increases speed

Y1S1 - SRUC - Anat & Phys (12 decks)

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