The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

1

The Identifying Points For Histological Slide

1.Loose Connective Tissue

-bundle of collagen and elastic fibre present

-connective tissue cells are present.

-ground substance and different connective tissue cells are scattered in

the fibres or in the masses.

2.Hyaline Cartilage

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

2

-homogeneous matrix (glass like)

-cells(chondrocytes)lie in lacunae forming groups or colony

-dense fibrous connective tissue covering(perichondrium) present.

3.Elastic Cartilage

-elastic fibres are abundant.

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

3

-elastic firbres form branching and anastomosing network

-cells are scattered within fibres

4.FibroCartilage

-coarse ,long ,parallel ,wavy bundle of collagen fibres present

-cells lie in row between collagen fibre bundles

5.Compact Bone

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

4

-presence of Haversian canal containing neuro-vascular bundle.

-concentric bony lamellae surrounding central canal present

-lacunae (containing osteocytes )and canaliculi present.

6.Spinal Cord

-inner ‘H’ shaped gray matter,outer white matter.

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

5

-Central canal present,lined by simple ciliated columnar

epithelium(ependyma).

-anterior median fissure and posterior median sulcus or septa present

7.Cerebellum

-outer gray matter ,inner white matter present

-cortex have three layers

-Purkinje cells in the middle layer of cortex

8.Cerebrum

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

6

-composed of six layers of nerve cells

-pyramidal cells maybe seen in 3rd and 5th layers

-outer gray matter,and inner white matter present

9.Skeletal Muscle

-prominent transverse cross striation present

-multiple nuclei located peripherally

-muscle fibres are cylindrical shaped

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

7

10.Smooth Muscle

-cross striation absent

-nucleus is single and centrally placed

-spindle shaped muscle cell

11.Cardiac Muscle

-fibres branch and anastomose with one another.

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

8

-intercalated disc present

-single ,oval,centrally place nucleus

-cross striation (faint)present

Artery

12.Large (Elastic )Artery

-a series (40-60) of concentrically arranged elastic fibres are present in

tunica media

-tunica intima is thicker but adventitia is relatively thin

-external and internal elastic lamina are not prominent

13.Medium Sized (Muscular)Artery

-a series of (up to 40) circularly arranged smooth muscle cell present in

tunica media.

-internal elastic lamina is very prominent and thrown into wavy folds.

-tunica intima is not thick

14.Vein

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

9

-large ,irregular luman present but wall is thinner

-tunica adventitia is the thickest coat

-tunica media is thin

-elastic lamina is indistinct or absent

15.Lymph Node

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

1

0

-thin capsule and thin trabeculae are present

-subcapsular lymph sinus present

-presence of outer cortex and inner medulla

-cortex shows closely packed lymph nodules ,some

having germinal centres.

16.Spleen

The Identifying Points For Histological Slide

Nishtar ken. By Muhammad Ramzan Ul Rehman

1

1 -thick capsule and trbeculae present

-not differentiated into cortex and medulla

-red pulp and white pulp present

-white pulp (malpighian body )has eccentric arteriole

17.Thymus

-composed of lobules separated by interlobular connective tissue

-lobule has outer cortex and inner medulla

-medulla contain Hassall’s corpuscles

-cortex is dense but without any lymphatic nodules