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ZOOLOGY > SPECIALIZED TISSUE > Flashcards

SPECIALIZED TISSUE Flashcards

1
Q

WHAT IS THE FUNCTION OF SKELETAL TISSUE?

A

FORMS THE ENDOSKELETON OF VERTEBRATES.

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2
Q

WHAT IS THE NAME OF CELLS OF CARTILAGE?

A

CONDROCYTE

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3
Q

WHAT IS THE NATURE OF MATRIX OF CARTILAGE?

A

RIGID, PLIABLE AND RESIST COMPRESSION.

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4
Q

DEVELOPMENT OF CARTILAGE IS UNIDIRECTIONAL.
TRUE OR FALSE

A

TRUE. THE DEVELOPMENT OF CARTILAGE IS UNIDIRECTIONAL.

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5
Q

WHY IS THE DEVELOPMENT OF CARTILAGE UNIDIRECTIONAL?

A

DUE TO THE PRESENCE OF SINGLE CONDROBLAST LAYER.

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6
Q

HOW MANY CHONDROBLAST ARE PRESENT IN EACH LACUNAE?

A

1-4 CHONDROBLAST.

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7
Q

ALL CARTILAGE ARE AVASCULAR?

A

FALSE, IN THE EMBRYONIC STAGE VASCULAR TISSUE IS PRESENT IN THE CARTILAGE.

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8
Q

WHICH IS THE MOST COMMON TYPE OF CARTILAGE?

A

HYALINE

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9
Q

WHAT IS THE LOCATION OF HYALINE CARTILAGE?

A
  1. TRACHEAL RINGS
  2. LARYNX
  3. AT THE TOP OF LONG BONES (EPIPHYSIS)
  4. COASTAL PARTS OF RIBS
  5. NASAL SEPTUM
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10
Q

what is the nature of matrix of hyaline cartilage?

A

semi transparent

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11
Q

what is the location of elastic cartilage?

A
  1. external ear joint (ear pinna)
  2. at tip of nose
  3. epiglottis
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12
Q

only elastic cartilage is present in larynx.
true or false

A

false
it is found in both hyaline and elastic cartilage.

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13
Q

which is the strongest cartilage?

A

white fibrous cartilage

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14
Q

in which cartilage the perichondrium covering is absent?

A

white fibrous cartilage.

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15
Q

Which cartilage cannot be repaired if damaged?

A

White fibrous cartilage

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16
Q

What is the location of white fibrous cartilage?

A
  1. In between inter vertebral disc
  2. In pubic symphysis
17
Q

What is the nature of matrix of calcified cartilage?

A

In the matrix little amount of calcium salt appears.

18
Q

What is the location of calcified cartilage?

A
  1. Suprascapula (part of pectoral girdle)
  2. Pubis of frog (part of pelvic girdle)
19
Q

Which is the hardest tissue of the body?

A

Bone due to the presence of inorganic matter in large amount, around 70%.

20
Q

What type of tissue is bone? (Vascular / avascular)

A

Vascular

21
Q

Bone shows unidirectional movement. True or false

A

False, the development of bone is bidirectional due to the presence of double osteoblast layer.

22
Q

What are the types of bone marrow?

A

Red and yellow bone marrow.

23
Q

What is the function of RED BONE MARROW?

A

main site for erthropoiesis (manufacture of RBCs) after maturation.

24
Q

What is the function of yellow bone marrow?

A

Stores little fats and also forms few WBCs.

25
Q

What happens to the bone marrow in case of severe anemia?

A

In the case of severe anemia, yellow bone marrow changes into red bone marrow.

26
Q

What are the 2 main salts present in bone?

A

The 2 main salts that are present in bones are:
a. Calcium phosphate
b. Calcium carbonate

27
Q

What is the composition of bone?

A

The bone contains 70% inorganic matter and 30% organic matter (protein).

28
Q

Both composition of bone is?

A

Calcium phosphate.

29
Q

Haversion canal are found in all bones, true or false?

A

False, haversian canals are only found in long mammilian bone.

30
Q

What are included in haversian system?

A

Haversian canal, volkmann canal, lamellae, canali culi.
LA CUNAE IS NOT INCLUDED IN HAVERSIAN SYSTEM.

31
Q

What is the function of haversian system?

A

It is meant for providing nutrition to bone cells.

32
Q

What happens when a frog’s bone is kept in HCL solution?

A

When any bone is kept in HCL solution, then it decalcifies.

33
Q

What happens when a rabbit bone is kept in KOH solution?

A

When any bone is kept in KOH solution, then no change will happen. It will only appear clean.

ZOOLOGY (9 decks)

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