Search results for: 'ear and its anatomic structures.'

Watch Later 3:20

By: Administrator, Views: 10784

Arthroscopic surgery involves the surgery of a joint with the use of a flexible arthroscope and other surgical tools. In this example, the surgeon inserts the arthroscope to evaluate the damage to the knee joint and then uses instruments to perform the necessary procedure. Arthrography: Diagn...

Watch Later 3:45

Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

By: HWC, Views: 8013

• Eyebrows, eyelids, eyelashes and conjunctiva serve to trap microbes preventing their invasion. • Tearing (lacrimation) is a protective mechanism that washes away microbes that attempt to enter the eyes. • Salts, mucus, and lysozymes in tears neutralize substances and bacteria. �...

Watch Later 1:40

Structures that affect circulation - arterioles and vasomotor responses and venous return

By: HWC, Views: 7786

■ Small arteries and arterioles determine SVR. • Blood pressure drops significantly as blood passes through arterioles. • Decreasing arteriole radius and decreased wall elasticity are the main reasons for increased SVR. ■ Small changes in arteriole radius can cause large changes in ...

Watch Later 7:18

Supine Position

By: Administrator, Views: 10795

Anatomic: Body erect, head facing forward, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and ...

Watch Later 3:44

Lateral Position

By: Administrator, Views: 489

Anatomic: Body erect, head facing forward, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and ...

Watch Later 2:24

Prone Position

By: Administrator, Views: 10470

Anatomic: Body erect, head facing fotyvard, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and...

Watch Later 1:10

Lithotomy Position

By: Administrator, Views: 803

Anatomic: Body erect, head facing forward, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and ...

Watch Later 4:15

Fowler's Position

By: Administrator, Views: 427

Anatomic: Body erect, head facing forward, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and ...

Watch Later 3:09

Sims' Position

By: Administrator, Views: 460

Anatomic: Body erect, head facing forward, arms by the sides with palms to the front; used as a standard anatomical position of reference Dorsal recumbent: On back with lower extremities flexed and rotated outward; used in application of obstetric forceps, vaginal and rectal examination, and ...

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