Connective Tissue

Slide and Image Orientations

Sun-Kee Kim, Ph.D.(kimsk@umich.edu)

Loose (areolar) connective tissue

• Cells > fibers and ground substance

#29

#30

#29 Small Intestine

Collagen fibers and fibroblasts

#29 – Intestinal Villi

Lamina propria (Loose conn. tissue)

#20 or #40 Trachea

Plasma cells

Plasma cellsEccentrically located nucleusCartwheel appearance of nucleusBasophilic cytoplasmEgg-shaped cell with clear outline

#40 Respiratory epithelium

#26 lymph node

MacrophagesKidney bean shaped nucleus (indented)Eosinophilic cytoplasm with bubbly appearanceIngested materials in the cytoplasmFuzzy cell border (outline)

#152 Pharynx - fat cells

Slide 160 PAS & Azure Blue: Mast cells

Mast cell

#27 Lymph node stained with H & E – Reticular connective tissue

#28 Lymph node stained with silver – Reticular connective tissue

Dense regular and irregular connective tissue

Cells < fibers and ground substance

#106 or 112dermis

tendon

#33 Dermis of skin (aldehyde fuchsin stain) Dense irregular connective tissue with

elastic fibers

#250 Vagina (Dense irregular CT)H & E Trichrome

#112 (or #106) Musculo-tendonous junction

#36 Aorta (elastin sheets)