Myelofibrosis.
fibrosis
bone marrow
The fibrous tissue that covers cartilage is called the perichondrium. It provides support and nutrients to the cartilage.
The soft tissue inside of the bone is called "marrow."
The fibrous sac of tissue that encloses the heart is the pericardium. It provides protection for the heart.
Marrow
The strong fibrous tissue outer periphery of the intervertebral disk is called the annulus fibrosus.
There is no fibrous connective tissue in bone, but there is dense irregular tissue known as periosteum that covers bones (all except the articulating surfaces) and provides attachment sites for tendons and ligaments.
A tough, fibrous tissue called tendons.
FibrosisCicatrices or fibrous tissue .Cicatrices or fibrous tissue .
The soft tissue that fills spaces in spongy bone is marrow.
"marrow"