Fat Flashcards

(23 cards)

1
Q

Contains:
-nerves
-blood vessels
-lymphatics
Most efficient form of calorie & water storage

A

Fat

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2
Q

-Unilocular (filled with triglycerides)
-convert androgen to estrogen
-release leptin
-eccentrically flatten nucleus
-bound by reticular fibers

A

White fat

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3
Q

-Multiocular
-smaller size cells
-lipid oxidation
Uncoupling protein is a carrier protein transporting H+ to matrix without ATP synthase, thus heat and not ATP is released
-more NADH oxidation & O2 consumption

A

Brown fat

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4
Q

-Develop into lipoblast (preadipocytes brown or white)
-develop into chrondroblast
-form the perichondrium

A

Mesenchymal cells (fibroblasts)

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5
Q

Thin ring of cytoplasm surrounding an Empty vacuole (left by the dissolved lipid droplet)

A

Signet ring cell

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6
Q

-avascular
-no nerves or lymphatics
-glycosaminoglycans (in matrix permitting diffusion between blood vessels & chondrocytes)

A

Cartilage

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7
Q

-produce ECM (fibers & ground substance)
-become chondrocytes located in lacunae

A

Chondroblasts

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8
Q

-Growth occurring inside young cartilage
-separated into own lacunae
-undergo mitosis (embryo)

A

Interstitial growth

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9
Q

-inner cellular growth of the perichondrium (adults)
-undergo mitosis
-add new cartilage to surface
-apart of repair

A

Appositional growth

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10
Q

Articular cartilage: synovial joints
-tracheal ring & bronchi
-nasal septum & laryngeal
-costal cartilages (adults) & fetal skeleton
-Type II 70% water, rich in GAGs (hyaluronic acid) basophilic
-Spherical nucleus
-isogenous groups

A

Hyaline cartilage

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11
Q

-Found where structures must withstand bending
-external ear
-Eustachian tube
-epiglottis
-laryngeal
Type II & elastic fibers

A

Elastic cartilage

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12
Q

-where dense connective tissue blends into hyaline cartilage
-intervertebral discs
-articular discs & pubic symphysis
Type I
Many collagen fibers resembling lacunae around dense irregular connective tissue

A

Fibrocartilage

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13
Q

-Outer fibrous layer (dense irregular connective tissue)
-inner cellular layer (chondrogenic cells)
NOT IN HYALINE
-in fibrocartilage only

A

Perichondrium

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14
Q

Freely moveable

A

Diarthrosis

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15
Q

Slightly moveable

A

Amphiarthrosis

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16
Q

Immovable

17
Q

-Articulating surfaces enclosed within fluid-filled joint capsule (not touching)
-fibrous layer
-secrete synovial fluid (hyaluronic acid &!leukocytes)

18
Q

Between skull bones

19
Q

Forms interosseous membrane

20
Q

In roots of teeth & alveolar process of maxilla & mandible

21
Q

At intervertebral disc & pubic symphysis

22
Q

-Hyaline cartilage connecting Bone
-in epiphyseal plate & rib cage

A

Synchondrosis

23
Q

Degeneration of articular hyaline cartilage

A

Osteoarthritis