biol3456 practical histology 2

What blood vessel is this

Vein

What blood vessel is this

Artery

What layer in the blood vessel is this pointing at

Tunica intima

Which organ is this located in

Spleen

What is it pointing at

White pulp

What does it contain

Lymphocytes, some macrophages, D cells

What organ is this

Thymus

What layer of the organ is this

Medulla of thymus

What is it pointing at

Hassall’s corpuscle or thymic corpuscles

What organ is this

Thymus

What organ is this

Lymph node

What is the function

Filters lymph before entering venous system, provides early warning system for immune response, produce antibodies

What is it pointing at

Cortex of lymph node

What are the layers and what cells does it contain

Outer cortex - D cells and B cells

Deep cortex - T cells

What organ is this

Lymph node

What is it pointing at

Hilum

What does it contain

Blood vessels, nerves, efferent lymphatic vessels

List the important lymph nodes

Cervical lymph node, axillary lymph node, inguinal lymph node

What tissue is this

Peyer’s patches or aggregated lymphoid nodules

Where is this located

Intestinal epithelial lining

What is this

Lymphatic vessel

What is it pointing at

Valve

Whats the direction of flow

Left to right

What is this

Emphysema

What is this

Normal lung

Where is this located

Trachea

What is this

Trachealis muscle

What is this

Elastic cartilage

Where is this found

Epiglottis