PTH causes phosphate ion in your urine aiv4a Hydroxyapatite is not being able

Pth causes phosphate ion in your urine aiv4a

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PTH causes phosphate ion in your urine a.iv.4.a. Hydroxyapatite is not being able to be produced if you don’t have phosphate ion because it is a calcium phosphate. Chapter 5 Epidermis – keratinized stratified squamous epithelium Papilarry dermis – Reticular dermis – collagenous dense irregular connective tissue 1. The Integumentary System
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a. Hypodermis a.i. Fat tissue that insulates the body a.ii. Helps return heat loss to the environment b. Skin is responsible for secreting things b.i. Synovia glands b.ii. Sweat glands b.iii. Mammary glands c. Absorption c.i. Skin can observed UV radiation c.ii. Calcitrial comes from vitamin D, we expose our skin to light thus we create vitamin D c.ii.1. Vitamin D is vital to the absorption of calcium d. Syvacius gland d.i. Secretes oil, sebum d.ii. Follows the hair shaft to the skin e. Apocrine glands e.i. Secrete antimicrobics f. Sweat glands f.i. Sweat has its own duct opening up to the surface to the skin f.ii. Doesn’t follow the hair shaft g. Corpuscles g.i. They are receptors h. Hair Shaft is called pilus i. Hair follicle i.i. Responsible for creating hair shafts j. Hair is alive
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j.i. Hair has the same material than skin, there’s a difference between how it grows k. Components of the System k.i. Epidermis k.i.1. Epithelial tissue k.ii. Dermis k.ii.1. Connective Tissue l. Why hair stands up? l.i. Erecting hair through the arrector pili muscle which contracts the muscle making the hair follicle move thus erecting the hair to stand up. m. Goosebumps m.i. Resulted from the muscles pulling down on the hair follicle, the skin is formed into a dip thus creating the goosebumps. 2. The Epidermis a. Keratinocytes a.i. Either laid out by 4 or 5 different layers a.ii. The goal of this cell is to die and release the keratin in your epidermis b. Thick skin b.i. The palm of feet and hands c. Thin Skin c.i. The predominant skin d. Stem cells e. Melanocytes e.i. The number of melanocytes has nothing to do with the color of the skin f. Markel Cells f.i. Single celled sensory receptors
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f.ii. Mechanical receptors f.iii. Responsible for sensing light touches on your skin g. Langerhans’ Cells g.i. Came from mesoderm g.ii. Cells that are hanging out in the epidermis waiting for bacteria to enter in and then fight it 1. Hair a. Nearly ubiquitous a.i. We can find it anywhere on the body where there isn’t thick skin (palms of the hand, insides of feet) b. Keratinized Structures b.i. Hair shafts b.i.1. Keratin is being created in abundance b.i.2. Even though skin is the same material as hair, keratin is being compacted c. Types of hairs c.i. Vellus c.i.1. Peach fuzz c.i.2. Predominant hair of the body c.ii. Terminal c.ii.1. Coarse and stronger c.ii.2. Eyebrows, facial hair, hair on the head, pubic hair c.iii. Lanugo c.iii.1. Infant hair c.iii.2. Replaced after a few weeks d. Hair Color d.i. Melanocyte d.ii. Grey hair
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d.ii.1. Lack of pigmentation d.ii.2. Hair is not dead d.ii.3. You have lost melanocytes so the pigments loses its color d.ii.4. Hair forms air pockets to in order to stay in form, hence
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