Histology: Connective Tissue and Muscle Tissue

4 different types of Connective Tissues are all derived from the same embryonic tissue called

mesenchyme

4 types of CT

Connective Tissue Proper, Cartilage, Bone, Blood

It Possess a small number of cells surrounded by large amount of extracellular matrix, opposite of epithelial tissue

connective tissue

Primary Connective Tissue Cell on connective tissue Proper

Fibroblast +

This cell synthesizes extracellular matrix made mainly collagen, elastin, and ground substance

Fibroblasts =

these are fat cells that store lipid in a single droplet

Adipocytes

Phagocytize and destroy microorganisms, old cells, and damaged tissues

Macrophages

Inflammatory cells that secretes histamine which promotes vascular leakiness

Mast Cells

tough, structural protein that provides tensile strength

collagen +

most abundant type of protein in connective tissue proper

collagen =

this protein allows stretch and recoil

elastin

cells present in CT Proper

fibroblast, adipocytes, macrophages, mast cells

Type of CT proper that is embedded deep to all epithelial basement membrane

Loose Connective Tissue / Areolar Connective Tissue

Type of CT proper that is strong in all directions located in Dermis and submucosa of organs

Dense Irregular Collagenous Connective Tissue

Type of CT proper that is strong in one direction, located mainly in tendons

Dense regular Collagenous CT

Type of CT proper that stores energy, padding, and insulation

Adipose Tissue +

Type of CT proper is located in hypodermis

Adipose Tissue =

fx: connect, attach, and package

Connective Tissue Proper

4 types of connective tissue proper

LCT/Areolar CT, Dense Irregular Collagenous Connective Tissue, Dense Regular Collagenous Connective Tissue, Adipose Tissue

Type of Cartilage found behind of pharynx, on costal cartilages, and articular cartilages (allows bones to glide smoothly against one another)

Hyaline Cartilage

Type of Cartilage that has high concentration in the ear and epiglottis because it is firm but goes back to its original shape

Elastic Cartilage

Type of Cartilage that has high concentration of collagen in intervertebral discs, pubis symphysis, and meniscus of the knee

Fibrocartilage +

this cell maintain cartilage

Chondroblasts

Mature Chondroblast turn into what?

Chondrocytes

fx: Strong yet flexible, avascular, and able to absorb shock

Cartilage

3 kinds of Cartilage

Hyaline Cartilage, Elastic Cartilage, Fibrocartilage

This cell secrete bone matrix in a bone tissue and Builds new bone

osteoblasts

mature osteoblasts that reside in lacunae and monitor and Maintain in the ECM

Osteocytes

This cell secrete enzymes that catalyze the breakdown (Crushing) of bone matrix that is made up of calcium and phosphate

Osteoclasts

extracellular Matrix of bone is made up of 2 elements

calcium and phosphate

Composed of RBCs, WBCs, Platelets, and Plasma

Blood

ECM of blood?

Plasma

Transport O2

RBCs

Immune Defense

WBCs

Clots blood

Platelet

ECM of blood

plasma

This tissue is made up of contractile type of cell

Muscle Tissue

3 types of muscle tissue

skeletal muscle, cardiac muscle, smooth muscle

voluntary muscle fibers that are long, striated, and multinucleated

skeletal muscle tissue +

This type of muscle tissue are compartmentalized by CT sleeves

skeletal muscle tissue =

each muscle fiber is surrounded by loose connective tissue called ____

endomysium

bundle of muscle fibers are called ____

muscle fascicle

Muscle Fascicle is connected by dense connective tissue called ____

perimysium

bundle of muscle fascicle is called ______

skeletal muscle

Skeletal Muscle is surrounded by CT called ____

epimysium

This type of muscle tissue is located primarily within muscles that attach to bones

skeletal muscle tissue _

This type of muscle tissue is involuntarily controlled, and striated with intercalated discs

cardiac muscle tissue +

located on muscle wall of the heart or myocardium

cardiac muscle tissue =

This type of muscle tissue is involuntarily controlled, and non striated

smooth muscle tissue +

Located on wall of most hollow organs like stomach, bladder, blood vessels, fallopian tube, urethra, and so forth

smooth muscle tissue =