Back to FlashcardsBiology / Biology NEET - XI: Chapter 7- Structural Organization in Animals Part 12
Which WBCs have S shaped nucleus?
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Key Terms
Term
Definition
Which WBCs have S shaped nucleus?
Basophils
What is the function of basophils?
They secrete histamine, serotonin and heparin.
Which WBCs have a bilobed nucleus?
Acidophils
Which WBCs have anti-histaminic effect?
Acidophils
Which WBCs have anti-helminthic effect?
Acidophils
Which WBCS have an oval nucleus?
Lymphocytes
Related Flashcard Decks
| Term | Definition |
|---|---|
Which WBCs have S shaped nucleus? | Basophils |
What is the function of basophils? | They secrete histamine, serotonin and heparin. |
Which WBCs have a bilobed nucleus? | Acidophils |
Which WBCs have anti-histaminic effect? | Acidophils |
Which WBCs have anti-helminthic effect? | Acidophils |
Which WBCS have an oval nucleus? | Lymphocytes |
Which WBCs have a kidney shaped nucleus? | Monocytes |
Which cells are called are called the macropolice of the body? | Monocytes |
What are the stem cells of platelets? | Megakaryoblast of red bone marrow |
Platelets are the cell fragments of | Megakaryocytes |
Do platelets have a nucleus? | No |
Are thrombocytes nucleated? | Yes |
What is the life span of a platelet? | One week |
What is the platelet count of the body? | 1.5 to 3.5 lakhs/cubic milimetre |
What is the ratio or number of RBC:WBC:Platelets per cubic milimetre of blood? | 600:1:20 |
Name all the blood coagulation factors. | I- Fibrinogen, II - Prothrombin, III- Thromboplastin, IV- Calcium ions, V- Labile factor, VI- Unknown, VII-SPCA- Serum prothrombin conversion activator, VIII- Anti haemophilic factor A, IX- Anti haemophilic factor B, X- Stuart-Prower factor, XI- Anti haemophilic factor C, XII- Hageman factor, XIII- Loki Lorand factor |
What is a clot formed underneath the skin called? | Purpura |
What is a clot formed inside blood vessels called? | Thrombus |
Thromboplastin is released by | Platelets |
What converts prothrombin into thrombin? | Thrombokinase |
Which enzyme is required for converision of fibrinogen into fibrin? | Thrombin |
What is the composition of serum? | Plasma without fibrinogen |
How does warfarin act as an anticoagulant? | Vitamin K antagonist |
Where is prothrombin synthesised? | In liver in presence of vitamin K |
Which germinal layer do the iris and ciliary muscle of eye arise from? | Ectoderm |