Page 24 - PG 101-Course notes مذكرة النظري 24-25 with spec

Me
Dic Medicinal plants (PG 101) Level 1 Clinical Pharmacy-PharmD

Pits

▪ A pit is a region in the cell wall in which no secondary wall is deposited.

▪ There are three types of pits:
1- Simple 2- bordered 3 - Half bordered

▪ Simple pits in ▪ Bordered and
certain half bordered

parenchyma pits in vessels

cells and tracheid.
▪ Phloem fibers

and sclereids.

8