Exercise 6 Flashcards
What is the largest organ of the body, in terms of surface area?
The cutaneous membrane (skin)
The cutaneous membrane is made up of what 2 tissue regions?
Epidermis and dermis
Which cell layer is present in thick skin, but absent in thin skin?
Stratum lucidum
Which cell layer contains a population of actively dividing cells called keratinocytes?
Stratum germinativum
What is the outermost layer of skin called?
Stratum corneum
What does the stratum corneum layer of skin consist of?
Several layers of dead, keratin filled cells.
Where is thick skin found?
Soles and palms
Name the 2 layers of the dermis.
- Thin Papillary layer
2. Reticular layer
What is found underneath the dermis?
Hypodermis
What is another name for the hypodermis?
Superficial fascia, or subcutaneous tissue
What is the hypodermis composed of?
Areolar connective tissue and adipose tissue
What is the papillary layer in the dermis composed of?
Mostly Areolar connective tissue
Which layer borders the epidermis?
A. Papillary layer
B. Reticular layer
Papillary layer
What is the reticular layer of the dermis composed of?
Dense irregular connective tissue & the accessory structures of skin
Where are dermal papillae found?
Between epidermal ridges
The deepest portion of a hair follicle is a knoblike structure called the _____ _____.
Hair bulb
The hair bulb contains a region of actively dividing cells called:
Hair matrix
Where are sebaceous glands found?
All regions of the body except palms and soles
What types of bones are there?
Long bones - found in femur and humerus
Short bones - found in wrist (carpal) & tarsal bones
Flat bones - found in cranial bones and ribs
Sesamoid bones - found in patella
Irregular bones - found on face & vertebrae
Sutural bones - between joints of cranial bones
What is the difference between axial and appendicular skeleton?
Axial skeleton consists of the bones that form the vertical axis of the body.
Appendicular skeleton includes the bones of the lower and upper extremities.
What are the 2 types of bones?
Spongy and compact bone
What is the basic functional unit of compact bone?
Osteons
The multiple layers that make up the intracellular matrix of bone tissue is called?
Lamellae
Following birth, some red bone marrow is invaded by ________ ______ and is converted to yellow bone marrow.
Fat tissue
