- Sebum contains a _, meant to specifically kill off bacteria.
- Hair is made primarily of hardened _ in concentric circles.
- Sebaceous glands secrete _ into the hair follicle for lubrication of the hair and skin.
- A protein called _ kills off many structures such as bacteria found in the skin and is found in the sweat.
- keratinocytes are completely dead, can be sloughed off
- Sweat is slightly _ because it contains some of the wastes of metabolism.
- Areolar connective tissue is comprised of substances including these fibers: _ for strength and _ for flexibility
- is the first system of the body traditionally covered in A&P, and the term is literally translated as "covering"
- Skin in hairless parts of the body is 1.5 mm thick, but is thicker, up to _ thick, in skin such as the palms and soles.
- Skin weighs _ to _ lbs and takes up 7% of your body weight.
- Sternoclavicular joint: only bony connection between appendicular and axial skeletonSaddle joint (multiaxial)Movement of the clavicle relative to sternum in shoulder girdle ab/adduction and elevation/depression (肩胛骨)eg: 挺胸、驼背
- I: behind the acromion on this image, on corrocoid process, abduction and downward rotation
- 1. Superior angle2. Spine of the scapula3. Coracoid process4. Acromion Process5. Glenoid fossa6. inferior angle
- Upper fibres: adduction, elevation, upward rotationMiddle fibres: adduction, upward rotationLower fibres:adduction, depression, upward rotation
- What does middle trapezius attached to? and what movement does lower and middle trapezius contribute to?
- Blue is triceps brachii long head, purple is biceps brachii long head and short head
- O: C7 to T5 spinous processI: the rest of the border on the medial border of the scapula
- supports the weight of the head and point of attachment for some muscles
- O: occipital bone and nuchal ligamentI: lateral third of the clavicle
- Posterior: trapezius, rhomboids and levator scapulaeAnterior: pectoralis minor, serratus anterior