organs in human body serves as protection and covering‚ composed of two region the epidermis and dermis. The most superficial and outer layer of skin is Epidermis that covers the entire body surface. The epidermis is avascular means that it has no blood supply also has four to five distinct layers: stratum basale‚ stratum spinosum‚stratum granulosum‚ stratum lucidum‚ and stratum corneum. The deepest layer in epidermis and undergo mitosis is the strarum basale .Next to stratum basale is stratum spinosum
Premium Blood Skin Epithelium
hypodermis. Please refer to the figure below to understand all the three layers. Each layer has it own function and own importance in maintaining the integrity of skin and thereby the whole body structure. So lets‚ study each part in detail. 1. Epidermis: Epidermis is the topmost layer or rather the visible part of the skin that is composed of stratified squamous epithelial cells. This layer is composed of five layers of cel1s‚ which are arranged in two zones; the superficial horny layer and a germinal
Free Epidermis Skin
.. Dermatology Skin Structure and Functions UPACE‚ Open U ARTS4003BP I Skin Structure • Epidermis The epidermis is the outermost layer of the skin. It forms the protective covering of the skin of the body‚ It contains no blood vessels‚ but has many small nerve endings. The epidermis contains the following layers: Stratum Corneum‚ Stratum Lucidum‚ Stratum Granulosum ‚ Stratum Spinosum and Stratum Germinativum. Dermis Dermis is the underlying‚ or inner layer of the skin‚ It is highly senSitive
Premium Skin Epidermis
body and dominate the epidermis. These cells contain keratin and work together to form layers known as thick skin‚ which consists of 5 layers‚ and thin skin‚ which consists of 4 layers. These cells are in the stratum granulosm and stratum spinosum layers. The melanocytes which are in the stratum basale‚ are known to synthesis melanin. These cells are responsible for the pigmentation of our skin. The melanin that is synthesized by the melanocytes
Premium Skin Epidermis Epithelium
5 The Integumentary System FOCUS: The integumentary system consists of the skin‚ hair‚ nails‚ and a variety of glands. The epidermis of the skin provides protection against abrasion‚ ultraviolet light‚ and water loss‚ and produces vitamin D. The dermis provides structural strength and contains blood vessels involved in temperature regulation. The skin is attached to underlying tissue by the hypodermis‚ which is a major site of fat storage. CONTENT LEARNING ACTIVITY Hypodermis ❛❛The hypodermis
Premium Skin Squamous cell carcinoma Epidermis
It consists of loose connective tissue otherwise called areolar connective tissue - collagen‚ elastin and reticular fibres are present. Erector muscles‚ attached between the hair papilla and epidermis‚ can contract‚ resulting in the hair fibre pulled upright and consequentially goose bumps. The main cell types are fibroblasts‚ adipocytes (fat storage) and macrophages. Sebaceous glands are exocrine glands which produce sebum‚ a mixture of lipids
Premium Skin Organ Epidermis
largest organ that covers our entire body‚ although it may seem simple‚ the skin carries out many functions. The skin has three main layers also known as the Epidermis‚ Dermis‚ and the Hypodermis. The Epidermis is the outermost layer that shields the body and consists of four cells types and five distinct layers. The Dermis is right under the Epidermis which contains strong connective tissue. This layer also contains our hair follicles that help regulate our body temperatures‚ nerve endings which let’s
Premium Skin Organ Epithelium
squamous epithelium in the epidermis‚ areolar connective tissue‚ and some dense irregular connective tissue in the dermis have been afllicted 3. What type of burn has the student received? Explain. · He has received burns in the 2nd degree which are accompanied by blisters and pain. 4. What type of radiation has caused the burn? · Ultraviloet radition (UVA) specifically UBA and UBV. 5. List ALL the layers of the skin that have been damaged? · Epidermis: stratum corneum‚ stratum
Premium Skin Epidermis
1.Name the tissue types composing the epidermis and dermis. List the major layers of each and describe the functions of each layer. The epidermis is composed of keratinized stratified squamous epithelium tissue. The cells are specifically keratinocytes‚ melanocytes‚ Merkel cells‚ and Langerhans’ cells. The layers of the epidermis are the basal layer (stratum basale)‚ it is the deepest layer and is attached to the dermis‚ the cells are actively mitotic. The next layer is the prickly layer (stratum
Premium Epidermis Skin
found here. Answer: E Diff: 1 Page Ref: 155; Fig. 5.1 Match the following: 15) The most abundant cells of the epidermis. A) Keratinocytes Answer: A B) Vitamin D Diff: 1 Page Ref: 152 C) Keratin 16) Must be activated in the skin in order to enhance calcium metabolism. Answer: B Diff: 1 Page Ref: 165 17) The protein found in the epidermis that is responsible for toughening the skin. Answer:
Premium Skin Epidermis