Histology mid by

B Group chromosomes

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4-5

3D image

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Scanning microscopes

A tennis player broke one of his long bones, which one is a characteristic of the bone ?

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Osteoclast resorb bone

Where is the iron storage in bone marrow?

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Macrophages

Macrophages derived from صيغة مختلفة

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Monocyte

Cytoskeleton hold to the basal lamel by

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Hemidesmosome

One of Hyaline cartilage characteristics

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Found in fetal skeleton

Organelle responsible for the metabolism of bilirubin and substances that cause Jaundice

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SER

Writing the Karotype

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Total number of chromosome, coma, sex chromosome

Short Asnwers

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1. What are the histological features of white fibro-cartlige ?
(Mention four)

2. List the histological characteristics of purkinje’s fibers ?
(Mention four)

3. List the various types of intermediate filaments?
(Mention four)

4. Types of CT proper in adult?
(Mention four)

5. What are the orgins of the following CT cells :
- Mast cell
- Plasma cell
- Fat cell
- Macrophages

6. List 4 of light microscope modifications

7. List 4 of spinal’s ganglia characteristics

8. List 2 of Apical surface of epithlium modifications

9. List 2 of basal surface epithelium modifications

10. List the first four steps in preparation of light microscopy

11. Fill the chart about Osteoclasts:
origin
Number of nuclei
Site
Function

Collagen Stain green

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Masson trichrome

Dense regular connective tissue typically involves which of the fol-lowing features?

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Predominantly located in tendons and ligaments

42-year-old woman of Mediterranean descent presents withmultiple oral blisters and a few cutaneous blisters on her back andbuttocks. #e super!cial bullae are fragile, some have unroofed toform ulcerated lesions, and there is a positive Nikolsky sign. Bloodtests reveal antibodies to a subfamily of cadherins and immuno-histochemical staining of a biopsy from the oral mucosa showsdistribution of the antigen throughout the epithelium. In whatstructures is the defect that is causing this patient’s condition?

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Desmosomes

Which of the following is a region of chromatin that is well devel-oped in large neurons active in protein synthesis?

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nucleolus

In preparing tissue for routine light microscopic study, whichprocedure immediately precedes clearing the specimen with anorganic solvent?

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Dehydration

Type of glands are the primary structure involved in the common form of acne, acne vulgaris.

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Holocrine sebaceous gland

Helicobacter pylori, which is important in the etiology of gastric ulcers, binds the extracellular domains

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Tight junction

In transmission EM preparations of cells the cell membrane often appears as a trilaminar structure having two parallel dark-staining components on either side of an unstained middle layer. This cen- tral poorly stained region of the membrane is primarily respon- sible for which of the following functions?

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Creation of a barrier to water-soluble molecules

Chronic bronchitis which occur commonly in habitual smokers, which cell, lining the lung, increase greatly in this condition ?

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Goblet

Which structures that aren't seen in karyotype

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Gene loci

How can you increase the resolution in the microscope sample ?

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Use thinner resin-embedded sample

Treat cancer blocking for

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Mitotic spindle

Which one is unique to smooth muscles ?

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Thin filaments attach to dense bodies

What is the usage of cryostat

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Used for frozen samples

Staining a tissue with H&E , what is the result ?

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Ribosomes stain blue

سؤال عن ال fibroblast ما اذكره

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Fibers

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Reticular

Dystrophin is a protein that is found in

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Sarcolemma of skeletal muscle

The mucous C.T is found in

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Embedding the vessels in the umbilical cord

In multiple sclerosis (MS) which structure is damaged ?

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Meylin

Which statement is misleading about the myofibril bands ?

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H zone contains thin microfilaments only

New methods of chromosomal staining and cytogenetics diagnosis

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Fluorescent in situ hybridisation (FISH)

One of the apical surface modifications in epithelium

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Microvilli

Apart from one, all statements are true about the transitional epithelium

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Capable of keratinization

Apart from one. All is correct about hyaline cartliage

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It contains Type 1 collagen

Not true about fibroblasts

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Contain histamine and heparin granules

Not true about hyaline cartilage

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Found in auditory tube

In the diaphysis of a typical long bone which of the following structures is in closest proximity to the trabeculae of the cancellous bone?

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Inner circumferential lamellae

Cells responsible for forming the meylin sheath in the peripheral nerves?

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Schwann cells

Nissl granules in neurons are

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RER with rosettes of ribosomes

Osteoclasts found in

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Howship's lacunae

Not true about the reticular CT

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Found in embryonic CT

Not true about the nuclear envelope

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Its outer membrane connects with Golgi apparatus

Misleading about chondrocytes

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Found in inner layer of perichondrium

Misleading about

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Found in stroma

Misleading about macrophages

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Manufacture of antibodies