Which of the following is a transparent tissue?
Tendon
Fibrous cartilage
Hyaline cartilage
All of these
C.
Hyaline cartilage
Hyaline cartilage is the most abundant kind of cartilage with no fibres and transparent matrix. It is found upon articular surfaces at joints of long bones. It helps to from the nose, larynx, trachea, bronchi and bronchial tubes leading to the lungs.
Fibrocartilage (fibrous cartilage) carries thick dense bundles of white collagen fibres in matrix. They are the strongest cartilage. They occur in joints between vertebrae and also pubic symphysis.
Tendon is a very dense, strong fibruous connective tissue made of collagen fibres. Tendon connects a skeletal muscle to a bone.
Which of the following is important for muscle contraction and nerve impulse transmission?
Ca2+ ions
Mg2+ ions
Both (a) and (b)
Fe2+ ions
Sigmoid notch is formed by
cavity formed by humerus
cavity formed by radius-ulna
cavity formed by tibia-fibula
cavity formed by femur
An acromian process is characteristically found in the
pelvic girdle of mammals
skull of frog
pectoral girdle of mammals
sperm of mammals