connective tissue proper Flashcards

1
Q

function of lose connective tissue

A

anchoring and packing material of body, embedding material for many structures like blood vessels and many organs too, structural framework to most organs , binds other tissues and organs together

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2
Q

example of lose connective tissue

A

subcutaneous, omentum and mesentery

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3
Q

components of lose connective tissue

A

fiber, ground substance, cells

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4
Q

commonest cells in lose connective tissue

A

fibroblast and macrophages

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5
Q

why lose connective tiss is called as loose areolar connective tiss?

A

the ground substance is dissolved by xylol and alcohol so when stained the ground substance is shown as empty oval areas called areolar

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6
Q

how dense irregular connective tissue is seen? or from what is made up of?

A

it is in the form of shees, make mainly from collagen fibers interwoven to make a meshwork and also has elastic fibers

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7
Q

where is dense irregular connec tiss found?

A

deep fascia and capsule of organs such as kidney, liver, thyroid and prostate gland, tested etc, perichondrium of cartilage and periosteum of bone

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8
Q

what are the 2 types of dense regular connective tissues?

A

dense regular collagenous tissues

dense regular elastic tissues

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9
Q

dense regular collagenous connective tissue is made up of and describe structure?

A

closely packed collagenous fibers run parallel and contains fibroblast and some ground substance

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10
Q

what does tendon look like and what is its job

A

tendons are cord like and join bone to muscle

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11
Q

what does ligaments look like and what is its job?

A

ligaments are band like and join bone to bone

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12
Q

what colour does tendon and ligament and why on naked eye?

A

they are white in colour cause they are only composed of collagen fibers

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13
Q

how are fibroblast seen in longitudnal sec

A

elongated and aligned in rows b/w the bundles

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14
Q

how are fibroblast seen in cross sectional?

A

star shaped with extensions

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15
Q

the covering of lose connective tissue on the fascicle is called?

A

endotendineum

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16
Q

the covering of the tendon is called?

A

ectotendineum

17
Q

what are aponeuroses

A

flat, broad flattened tendons that connect sheet like muscles to bones

18
Q

what are dense regular elastic loose connective tissue composed of?

A

bundles of thick elastic fibers also contains collagenous fibers and fibroblast

19
Q

where regular elastic loose connective tissue present in?

A

vocal cords, ligamenta flava of vertebral column, suspensory ligament of penis

20
Q

what does reticular connective tissue made up of?

A

reticular fiber and reticular cells

21
Q

the reticular fiber is derived from what collagenous type?

A

type III

22
Q

explain the appearance of reticular cells

A

stellate shaped, have long process that extend around the reticular fibers and also connect and communicate with other cells.

23
Q

this speacial arrangement of reticular cells make up with structure?

A

trabeculae structure

24
Q

trabecular structure act as a framework for what organs

A

lymphoid organs hemopoietic (bone marrow, lymph nodes)

25
Q

the spaces b/w the trabeculae contains?

A

lymphocytes and precursors of blood cell

26
Q

white adipose tissue is found in subcutaneous layers called as/

A

panniculus adiposus

27
Q

where is white adipose tissue found?

A

subcutaneous layers of axillae, buttocks and thigs

28
Q

fat is stored in both sexes in?

A

omentum, mesentery and retroperitoneal space around kidneys

29
Q

white adipose tissue stores fat as?

A

triglycerides

30
Q

brown adipose tissues seem brown to naked eye because?

A

they are highly vascular and contains mitochondria

31
Q

at what age brown adipose tissue is abundant in human body?

A

in new borns

32
Q

in adults where brown adipose tissue is found?

A

mediastinum, posterior triangle of the neck, abdominal aorta and kidneys

33
Q

how heat is produced by brown adipose fat?

A

non shivering thermogenesis