← Histology Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Mesenchyme Gelatinous tissue composed of collagen fibers and branching cells. Reticular fiber Thin collagen fibers coated with glycoprotein that form sponge-like frameworks. Lacunae Small cavities that contain chrondrocytes. Chondroblast Cartilage cell that secretes matrix Areolar tissue Contains all six connective tissue cells. Proteoglycan A part of the ground substance that helps hold tissues together and slow pathogens by creating thick colloids. Ground substance Gelatinous material occupying space around cells and fibers. Mast cell Cell that secretes heparin and histamine. Intercalated disks Junctions connecting cardiac myocytes. Reticular tissues Mesh of fibers and fibroblasts that forms structural framework of many organs. Canaliculi Delicate canals radiating from each lacuna which allow osteons to communicate. Osteon Collective name of haversian canal and surrounding lamella Lamellae Layers around haversian canal where bone matrix is deposited. Haversian canal Cylindrical arrangements of compact bone Matrix Histological term for extra cellular material