course hero hair and the outermost layer of skin are composed of which type of tissues

by Loraine Torphy Published 3 years ago Updated 2 years ago 4 min read

The Squamous Cell Layer

Within this layer are the basal cells that have been pushed upward, however these maturing cells are now called squamous cells, or keratinocytes. Keratinocytes produce keratin, a tough, protective protein that makes up the majority of the structure of the skin, hair, and nails.

What is the outermost layer of skin composed of?

The outermost layer consists of dead, keratinized cells that render the skin waterproof. (Keratin is a scleroprotein that is insoluble in water. The epidermis, hair, nails, dental enamel, and horny tissues are composed of keratin.) The epidermal layer is almost completely replaced every 3 …

What are the two layers of the skin?

View Lab Report - Skin Mini Lab.docx from BIO 10023 at Sterling High School, Sterling. Name: _ Skin Mini Lab Review The Layers of Skin: EPIDERMIS The …

What is the epidermis made of?

What is the epidermis composed of?: made up of several specialized epithelial tissues. The epidermis is the outermost layer of the skin and is composed of keratinized stratified squamous epithelium. 7. The average growth rate per month of nails: Grows about 1/10 of an inch a …

Which layer of the skin contains keratin?

Small blood vessels, hair follicles, oil glands and sweat glands may be seen in the dermis. Beneath the dermis is the hypodermis (subcutaneous) layer composed of loose connective tissue and adipose tissue. Draw a representation of the three layers of the skin as seen under magnification. Label the three layers: epidermis, dermis, hypodermis (subcutaneous). …

What type of tissue is the outermost layer of skin composed of?

The epidermis is the thin outer layer of the skin. It consists of 2 primary types of cells: Keratinocytes. Keratinocytes comprise about 90% of the epidermis and are responsible for its structure and barrier functions.

What layers is the skin composed of?

Three layers of tissue make up the skin: Epidermis, the top layer. Dermis, the middle layer. Hypodermis, the bottom or fatty layer.Oct 13, 2021

What is the outer layer of the skin where hair is located?

the cortex, which surrounds the medulla and is the main part of the hair. the cuticle (pronounced: KYOO-tuh-kull), the hard outer layer that protects the shaft.

What is the outermost layer of the epidermis called?

stratum corneumThe stratum corneum is the outermost layer of the epidermis, and is made up of 10 to 30 thin layers of continually shedding, dead keratinocytes.