Textbook Notes (280,000)
US (110,000)
UCLA (2,000)
LIFESCI (400)
Chapter 45

LIFESCI 2 Chapter Notes - Chapter 45: Mucous Membrane, Lymphatic Vessel, Monocyte


Department
Life Sciences
Course Code
LIFESCI 2
Professor
Esdin Joseph
Chapter
45

This preview shows page 1. to view the full 5 pages of the document.
Chapter 45 Notes
The Immune System
o Protects against infection and microbes
o Isolates and removes nonmicrobial foreign substances
Pathogens
o Parasite
o Bacteria
o Protist
o Fungi
o Virus
Organization of the Immune System
o Nonspecific immune response
Protects against foreign sustances without having to
recognize their identity
Prevention
Attack
o Specific immune response
Highly specific
o Barriers to Infection
Physical barriers
Skin
o Surface cells are dead cells that have
overproduced keratin proteins as the move
from deep layers towards surface layer
Fibrous layer of the eyes
Mucous membrane of the ear
Mucous membrane of the respiratory system
Mucous membrane of the digestive system
Mucous membrane of the urinary and reproductive
system
find more resources at oneclass.com
find more resources at oneclass.com
You're Reading a Preview

Unlock to view full version

Only page 1 are available for preview. Some parts have been intentionally blurred.

2
Chemical barriers
Sebum
o Oily acidic substance released from sebaceous
glands
Mucous
Saliva
Cilia
Sweat
Macrophages
Lysozymes
o enzymes secreted from the mucous
membranes
Defensins
o peptides secreted from the mucous
membranes
Lymphoid Tissues
o Adenoids
o Tonsils
o Thymus
o Lymph nodes
o Spleen
o Bone Marrow
Pluripotent/Hematopoietic cells
Myleoid Cells
o Basophil, Eosionphil, Neutrophil, Mast cells,
Monocytes, Macrophages, Dendritic cells
o Lymphatic vessels
Neutrophils
o Most abundant phagocytic cells
o Release cytokines, vasodilators, and chemotaxins
Monocytes/Macrophages
o Engulf and digest
o Activate T cells
find more resources at oneclass.com
find more resources at oneclass.com
You're Reading a Preview

Unlock to view full version