Lab 8 - Lymphatic System

Thymus gland

sites of T-cells maturation; superior to heart in mediastinum

Afferent lymphatic vessels

carry lymph into lymph nodes

Lymphatic trunks

deliver lymph into lymphatic ducts

Tonsils

located in the pharynx

Valves

prevent backflow of lymph

Cortex

outer region of lymph nodes

Axillary lymph nodes

purify lymph from the arms

Trabeculae

fibrous extensions of capsule

Bronchomediastinal trunk

drain lymph from the thoracic cavity

Thoracic duct

largest lymphatic duct

Hassall's corpuscle

distinguishing feature of the thymus gland

Capsule

connective tissue cover of some lymphatic organs

Inguinal lymph node

purify lymph from the legs

Heat, sweating, pain, redness

hallmarks of inflammation

MALT

example of lymphatic nodules in digestive tract wall

Efferent lymphatic vessels

carry lymph away from lymph nodes

Cervical lymph nodes

purify lymph from the head

White pulp

also called a splenic nodule

Medulla

central core of a lymph node

Spleen

reservoir of blood; site of blood filtration

Mediastinum

location of thymus gland

Right lymphatic duct

receive lymph from right arm and upper body

Involution

process of shrinking and become fibrous

Cysterna Chyli

receive lymph from intestinal trunk

Red pulp

contain venous sinuses in spleen

Mucosa associated lymphoid tissue (MALT)

Found in the mucous membranes of the gastrointestinal, respiratory, urinary, and reproductive tracts,