{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

9-16-09 notes - Medical terminology Integumentary System...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Medical terminology- 9-16-09 Integumentary System System approach A) System v. Organ o Greek Systema- Compound of parts/ body of soldiers o Greek organon- instrument, tool, a thing for making or doing, musical or surgical instrument B) Integumentary System o L. integumentum- covering, cloak or disguise o Includes: o Skin and its appendages Hair, nail, sweat, sebaceous glands o 1 st line of defense against bacteria, chemicals and injury o Helps regulate temperature- sweat o Prevents water loss or gain o Sensory- has many nerve endings in it o Respiratory- only for animals that have moist skin that they breathe through o Ex. Worms and frogs I) Ancient notion of skin breathing o Blood vessels “breath” through pores in the skin o Arteries draw in air (pneuma) through the skin and expel water o Moderates heat in the body o Thought that the heat that we had is what kept us alive o Empedocles (c. 492-432)- earliest theorist about this notion o Galen- believed with systoly air goes out and distoly air comes in C) Skin
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
o Largest organ in the body o Can weigh up to 20 lbs o Know the major levels/layers o 2 structural layers of epidermis I) Dermis- L. – hide, skin- “true skin” a. Connective tissue layer b. Contains: i. Blood and lymphatic vessels ii. Nerves and nerve endings iii. Glands iv. Hair follicles v. Network of elastic and collagen fibers (gives elasticity and toughness) II) Epidermis a. Squamous layer- L.- scale- fish or armor b. Stratum- stretched out thing- L.
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.
  • Fall '06
  • Doig
  • Sebaceous gland, connective tissue layer, L. integumentum- covering, L. germinativum- thing, genetic skin condition

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern