2.9 Tissue Level of Organisation - Tissue Types

Question 1

Which two types of tissue does the basement membrane connect?

Answer 1

Epithelial and connective

Question 2

How thick is the basement membrane?

Answer 2

20-100nm thick

Question 3

What types of proteins is the basement membrane made of?

Answer 3

• Collagen
• Proteoglycans

Question 4

What are the two layers of the basement membrane?

Answer 4

• Basal Lamina
• Reticular Lamina

Question 5

What are the four tissue types?

Answer 5

• Epithelial
• Connective
• Muscle
• Nervous

Question 6

What are the three types of muscle

Answer 6

• Smooth
• Cardiac
• Skeletal

Question 7

What does the ectoderm give rise to?

Answer 7

• Epithelial tissue
• CNS (brain and spinal cord)

Question 8

What does the mesoderm give rise to?

Answer 8

• Connective tissue
• Muscle
• Bone
  (basically the musculoskeletal system)

Question 9

What does the endoderm give rise to?

Answer 9

• Lining of gastrointestinal tract
• Respiratory tissue

Question 10

What is the function of epithelial tissue?

Answer 10

• Protective barrier
• Interface between two environments

Question 11

True of false: epithelial cells are avascular

Answer 11

True (they lack their own blood supply)

Question 12

What are the two surfaces of an epithelial cell?

Answer 12

• Apical (top)
• Basal (bottom)

Question 13

Which types of tissues would it make sense to have lots of tight junctions?

Answer 13

• Blood Brain Barrier
• Stomach
• Bladder

Question 14

Are adherens junctions located above or below tight junctions?

Answer 14

Below

Question 15

What are the four kinds of membranes?

Answer 15

• Mucous
• Serous
• Cutaneous
• Synovial

Question 16

What are the four kinds of membranes?

Answer 16

• Mucous
• Serous (cavities close to the exterior)
• Cutaneous (Outside)
• Synovial (Joints -> knuckle cracking)

Question 17

What are the functions (and associated structures) of connective tissue?

Answer 17

• Support and shape (tensile, strong)
• Connecting and binding organs (flexible)
• Forms a communication network