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Structure and functions of the skin

The skin is the largest organ of the body and serves several important functions, including:

  1. Protection: The skin serves as a barrier between the body and the environment, protecting the body from physical, chemical, and biological damage.
  2. Sensation: The skin is rich in sensory receptors that detect touch, pressure, pain, and temperature, allowing us to interact with the environment.
  3. Thermoregulation: The skin helps regulate body temperature by controlling the amount of heat that is lost from the body through sweating, blood flow, and the dilation or constriction of blood vessels.
  4. Vitamin D synthesis: The skin contains cells that produce vitamin D when exposed to sunlight, which is important for maintaining bone health and immune function.
  5. Excretion: The skin excretes small amounts of waste products, such as sweat and sebum, which helps maintain the body’s fluid and electrolyte balance.

The skin is composed of three main layers:

  1. Epidermis: The epidermis is the outermost layer of the skin and consists of several layers of cells. The outermost layer of the epidermis is made up of dead skin cells that are constantly shed and replaced by new cells. The epidermis also contains melanocytes, which produce the pigment melanin that gives the skin its color.
  2. Dermis: The dermis is the middle layer of the skin and is composed of connective tissue, blood vessels, nerves, and sensory receptors. It contains hair follicles, sweat glands, and sebaceous glands, which produce sweat and sebum that help moisturize and protect the skin.
  3. Subcutaneous tissue: The subcutaneous tissue is the innermost layer of the skin and is composed of adipose tissue and connective tissue. It provides insulation, padding, and energy storage for the body.

Overall, the skin plays a critical role in maintaining the health and well-being of the body, and understanding its structure and functions is important for diagnosing and treating skin disorders and injuries.

First Year B Pharm Notes, Syllabus, Books, PDF Subjectwise/Topicwise

F Y B Pharm Sem-IF Y B Pharm Sem-II
BP101T Human Anatomy and Physiology I TheoryBP201T Human Anatomy and Physiology II – Theory
BP102T Pharmaceutical Analysis I TheoryBP202T Pharmaceutical Organic Chemistry I Theory
BP103T Pharmaceutics I TheoryBP203T Biochemistry – Theory
BP104T Pharmaceutical Inorganic Chemistry TheoryBP204T Pathophysiology – Theory
BP105T Communication skills TheoryBP205T Computer Applications in Pharmacy Theory
BP106RBT Remedial BiologyBP206T Environmental sciences – Theory
BP106RMT Remedial Mathematics TheoryBP207P Human Anatomy and Physiology II Practical
BP107P Human Anatomy and Physiology PracticalBP208P Pharmaceutical Organic Chemistry I Practical
BP108P Pharmaceutical Analysis I PracticalBP209P Biochemistry Practical
BP109P Pharmaceutics I PracticalBP210P Computer Applications in Pharmacy Practical
BP110P Pharmaceutical Inorganic Chemistry Practical
BP111P Communication skills Practical
BP112RBP Remedial Biology Practical

Suggested readings:

  • To study the integumentary and special senses using specimens, models
  • 1.1 Human Anatomy & Physiology Pharm D Syllabus, Notes, PDF, Books, Downloads
  • Definition and scope of anatomy and physiology
  • Classification of tissues: Cellular level of organization
  • Definition, functions of hospital pharmacy, Organization structure

B Pharmacy Notes (Subjectwise/Topicwise)

  • F Y B Pharmacy Notes
  • S Y B Pharmacy Notes
  • T Y B Pharmacy Notes
  • Final Year B Pharmacy Notes
  • B Pharmacy All Subject Notes

D Pharmacy Notes (Subjectwise/Topicwise)

  • 1st Year D Pharmacy
  • 2nd Year D Pharmacy

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