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Animal tissue
30 May 2024
08:15 PM
EPITHELIAL
CONNECTIVE
MUSCULAR
NERVOUS
TISSUE: GROUP OF SIMILAR CELLS HAVING SPECIFIC FUNCTION
Epithelial cells
EPITHELIAL TISSUE
•
•
•
•
•
Rest upon some other tissue
Avascular [blood vessels absent]
Diffuse nutrients & oxygen via basement membrane
High regeneration ability
intercellular space
Basement membrane
Muscular tissue
Blood vessel
Apical surface have modifications
Microvilli/brush bordered
ciliated
epithelial
Simple epithelium
[single layered]
Squamous
❖ Flat cells
❖ Irregular
boundary
❖ Also k/a
pavement epi
...
Alveoli
[diffusion of
gases]
Compound
epithelium
[multi layer]
Cuboidal
❖ Cuboidal cell
❖ Center nucleus
❖ [secretion &
absorption ]
❖ Eg
...
Goblet cells
Transitional
• stretchable
• Eg urinary bladder
keratinized
Quick Notes Page 1
stratified
• Unstretchable
• Eg
...
TIGHT JUNCTION
2
...
3
...
[communication b/w cells]
[ cementing b/w cells
CONNECTIVE TISSUE
Most abundant & widely distributed tissue
Provide support & linkage
LOOSE C
...
T
AEROLAR
DENSE REGULAR
ADIPOSE
DENSE IRREGULAR
LOOSE C
...
T
FLUID
► BLOOD
► LYMPH
SKELETAL
BONE
CARTILAGE
adipocytes
•
•
Located mainly beneath skin
Shock absorb ,cushion for visceral organ
Dense c
...
Ligament [bone to bone]
tendon [muscle to bone
randomly arranged
Eg
...
T
➢ SKELETAL
• Solid matrix
A) CARTILAGE
matrix is solid but soft & pliable
perichondrium
chondroblast
Collagen
Tip of nose
Ear joints
Intervertebral disc
Hip joint [pubic symphysis]
b/w ribs & sternum
Elastin
lacunae
B) BONE
Matrix is hard,solid ,non pliable
Inorganic part [70-90%]
Bone has salts of calcium: cal
...
caebonate
Some bones are site of haemopoesis
New Section 1 Page 3
MUSCULAR TISSUE
SKELETAL
SMOOTH
Cylindrical
Unbranched
Multinucleated
Peripheral nucleus
Striated
Voluntary
High blood supply
Fast contraction
Easily fatigue
Eg
...
Blood vessel
New Section 2 Page 4
CARDIAC
Cylindrical
branched
uninucleated
cetre nucleus
Striated
High blood supply
InVoluntary
Fastest cont
...
heart
NERVOUS TISSUE
➢ NEURONS
• Structural & functional unit of nueral tissue
• Exitable cells
• conduction seen
➢ NEUROGLIAL CELL
• 50 % VO;UME OF neural tissue
• Non excitable
• No conduction
• Support & packaging
• Eg