Bio II H
Terms
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- matrix
- ground substance// consists of fibers
- resident
- stay put
- wandering
- move in bloodstream
- fibroblasts are the most common:
- resident cells
- fibroblasts are large ______ shaped cells
- star
- fibroblasts produce:
- fibers by secreting into protien surrounding the matrix
- macrophages are ____ cells
- wandering
- macrophages are specialized for:
- phagocytosis
- Macrophages work as:
- scavenger and defensive cells (swallow up dead and bad stuff)
- mast cells are ____ cells located near ______.
- large, blood vessels
- Mast cells release:
- heparin to reduce clotting.
- collagenous fibers
- thick threads containing collagen
- characterists of colagenous fibers:
- flixible, slightly elastic, greatly tensile
- Ex. of collagenous fibers
- tendons
- Elastic fibers are otherwise known as:
- yellow fibbers
- characteristics of elastic fibers:
- very thin, weak, and stretchy
- loose fibrous connective tissue contains:
- fibroblasts sread far apart
- loose fibrous connective tissue is seperated by a:
- gel like matrix(ground substance)
- loose fibrous connective tissue contains
- collagenous and elastic fibers
- loose fibrous connective tissue connects:
- epithelium and underlying tissue to muscles
- dense fibrous connective tissue has many what?
- closely packed thick fibroblasts
- dense fibrous connective tissue contains:
- collagenous and elastic fibers
- dense fibrous connective tissue is ___ strong
- very
- dense fibrous connective tissue has a ____ blood supply
- poor
- adipose tissue (specialized loose fibrous connective tissue) forms when:
- fat droplets collect in cytoplasm of cells
- adipose tissues job is to:
- cushion and store energy
- cartilage provides:
- support, framework, attachments, and protection
- chondrocytes are
- cartilage cells
- chondrocytes chaimbers are called
- lacunae
- cartilage structure is surrounded by a:
- perichondrium(peri=around)(chon=cartilage)
- perichondrium supplies blood to the:
- outside, not the inside
- hyaline cartilage is the _____ common
- most
- fine fibers of hyaline cartilage resemble:
- white plastic
- characteristics of elastic cartilage
- most flexible; i.e. ears
- characteristics of fibro cartilage
- many collagenous fibers, very tough; i.e. vertebrae
- bone matrix made of:
- collagen and mineral salt
- bones are made of many:
- osteons
- at the cneter of an osteon is the:
- osteonic canal providing blood and nutrient supply
- the osteonic canal is surrounded by:
- lamellae
- every lamellae has a ring of ______ found in _____
- osteocytes(bone cells); lacuna
- each osteocyte has extensions called:
- canoliculi
- canoliculi pass nurtients and blood around by:
- crossing over eachother