CARTILAGE

dense regular

what type of connective tissue is in cartilage and bone?

chondrocytes

cartilage cells

osteocytes

bone cells

lacunae

cavity or holes

firmer

The extracellular substance is ____ in cartilage.

harder

The extracellular substance is ____ in bone.

gristle

other term for cartilage

chondrocytes, cartilage matrix

cartilage is made up of:

cartilage

eventually replaced by bone

nose, ears, trachea

cartilage is found in:

blood vessels, lymph vessels, nerves

cartilage does not contain these:

bone to bone tissues

after the baby is delivered, what happens to cartilage?

perichondrium

dense irreg CT that surrounds most cartilage

chondrogenic potency

perichondrium has this ability to produce cartilage matrix

fibrous layer

outer layer of perichondrium

chondrogenic layer

inner layer of perichondrium that is more cellular

dense irregular

tissue composition of fibrous layer

fibroblast

predominant cell of fibrous layer

collagen fiber

predominant fiber of fibrous layer

cartilage matrix

tissue composition of chondrogenic layer

chondroblast

predominant cell of chondrogenic layer

fibroblast

chondrocyte morphology is similar to ___

irregular

size and shape of chondrocyte

lacuna

where does the chondrocyte resides

chondrocyte

has extensions of cytoplasm

young chondrocytes

capable of mitosis

cartilage matrix

where chondrocytes is found

chondrogenic layer

where osteoprogenitor cells is found

osteoprogenitor cells

stem cells found in chondrogenic layer

chondroblasts, osteoblasts

osteoprogenitor cells can transform either ___?

chondroblasts

produce most components of cartilage matrix

transform into chondrocytes when in lacunae

osteoprogenitor cells

where does chondroblasts develop?

ground substance, extracellular fibers

cartilage matrix is composed of ____?

chondronectin

adheres cartilage matrix to cell surface

collagen, elastic

extracellular fibers of cartilage matrix

chondrogenesis

term for how cartilage matrix is produced

mesenchymal cells

1st step in chondrogenesis

chondroblasts

secrete most components of cartilage matrix

mature chondrocytes

incapable of mitosis

interstitial, appositional

2 types of growth of cartilage

interstitial

expansion of cartilage from inside

young chondrocytes

interstitial growth happen due to production of ___?

appositional

function of perichondrium

chondroblasts

appositional growth happens due to production of ___?

appositional growth

growth in chondrogenic layer

hyaline cartilage

white in fresh specimen

type 2

what type of collagen in hyaline

hyaline

most abundant type of cartilage

growth in length

function of epiphysial plate in hyaline cartilage

mobility of joints

function of articular cartilage in hyaline cartilage

expansion of ribs

function of sternal end of ribs in hyaline cartilage

maintain shape

function of trachea, bronchi, larynx, nose in hyaline cartilage

elastic cartilage

cartilage that is yellowish in color

type 2

what type of collagen fiber of elastic

provide elasticity

function of auricle, external acoustic meatus, auditory tube in elastic cartilage

elastic cartilage

type of cartilage that has less abundant matrix, larger lacunae

fibrous cartilage

can withstand greater stress

type 1

what collagen type is in fibrous cartilage?

cartilage, dense regular

fibrous cartilage can be transitional between ___

fibrous cartilage

found in intervertebral discs, pubic symphysis, articular discs, tendons, ligaments

lacunae

difference between fibrous cartilage and dense regular

hyaline cartilage

primary cartilage of fetal skeleton

70-80% water + proteoglycans

components of ground substance

cartilage, bone

considered as organs