invertebrate discs

Question 1

what is an inveterbral disc made

Answer 1

Consist of an outer annulus fibrosus and an inner nucleus pulposus.
The anulus fibrosus consists of several layers of fibrocartilage.
The nucleus pulposus contains loose fibres suspended in a mucoprotein gel with the consistency of jelly. The nucleus of the disc acts as a shock absorber.

Question 2

pressure on the disc causes what to protrude

and what areas is this most common

Answer 2

Pressure on the disc causes posterior protrusion of the nucleus pulposus. Most commonly in the lumbrosacral and lower cervical areas.

Question 3

what type of cartilage separates the discs

Answer 3

hyaline cartilage

Question 4

do antibiotics causes diarrhoea

Answer 4

yes usually do but not constipation