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Tissues Body
Bio 3 Lecture 6
| Question | Answer |
|---|---|
| What are tissues? | Group of cells that are similar in structure and function |
| What are called the 3 fundamental embryonic tissues and what are they? | The germ layers so the ectoderm, the mesoderm and the endoderm |
| What are the 4 primary tissues in adult vertebrates? | Epithelial, connective, muscle and nerve |
| What is the function of epithelial tissues? | They cover and line surfaces and body cavities |
| What are the divisions of epithelial tissues? | There's 2 big categories: simple and stratified. Simple has a cuboidal, columnar and squamous sub-layer. Stratified has a squamous and columnar sub-layer. |
| [Epithelial simple] What are the functions of the simple squamous, cuboidal and columnar subtypes? | Simple Squamous: Lines lungs and capillaries Simple cuboidal: Lines small ducts of glands Simple columnar: Lines respiratory tracts with cilia and in the intestines as well |
| [Epithelial stratified] What are the functions of the startified squamous and columnar subtypes? | Stratified squamous is the outer layer of skin (mouth) and is found in areas with friction. Stratified columnar is the lining of the respiratory tracts with cilia. It has a protection function |
| What is the difference between epithelial simple and stratified? | Simple has one layer while stratified has multiple layers. |
| Recongnize the epithelial type visually!! Go see images in the concept map or ppw | |
| What is the function of connective tissues? | They connect, insulate and transport |
| What are the divisions of connective tissues? | There's proper and special. In proper, there's loose and dense (dense has regular dense and irregular dense). In special there's cartilage, bone and blood. |
| [Connective proper] What is proper loose? What is it strenghten by? What is an example? | It's cells scattering within a ground substance. The material is strengthened by collagen and elastin. Adipose tissue |
| [Connective proper] What is proper dense? What is it strenghten by? Example? | Proper dense is stronger than loose connective tissues. It's tighly packed collagen fibers. Tendons is an example. |
| [Connective proper] What are the 2 sub-types of proper dense? | There's dense regular and dense irregular. Regular are things like tendons and ligaments. Irregular are though coverings for packaging organs. |
| [Connective special] What is special cartilage and where is it found in animal and humans? | It's tougher than the loose connective tissue and it's found in skeleton of sharks. In humans, found in the nose, pinna, larynx and between the joints and bones. |
| [Connective special] Give an example of cells of special cartilage | Cells called chondrocytes (XT detail: scattered sites through the cartilage and receive nutrition by diffusion) |
| [Connective special] Special blood has many cell types, what are they and what are their functions? | There's erythocytes, leukocytes, placelets and plasma. Erythocytes carry oxygen. Leukocytes are for immunity. Placelets are fragments of cells that help in forming blood clots. Plasma carry food, waste. macromolecules and hormones |
| [Connective special] Identify white blood cells, red blood cells and placelets in an image | Go see slide 12 |
| [Connective special] Special bone has many types of cells, what are they and what are their role? | There's osteocytes and canaliculi. Osteocytes are the cells that live within a lacunae. Canaliculi are tiny canals that allow the osteocytes to communicate with the blood cells. |
| [Connective special] In special bone, what is the Harversian system? | The area of the bone that contains the osteocytes, the canaliculi and the lacuna, plus the Haversian canal in the center. |
| [Connective special] Identify parts of the special bone tissue | see slide 13 |
| What is the function of muscular tissues? | Movement (voluntary and involuntary) |
| What are the divisions of muscular tissues? | There's cardiac, smooth and skeletal |
| [Muscular cardiac] What's the type of control? Function and structure. What is it? | It's involuntary control and it's striated muscle with one nucleus per cell. Intercalated discs present. Heart of veterbrates. Function: interconnected cells, promotes rapid spread of signal ignitiating contraction. |
| [Muscular skeletal] What's the type of control? Function and structure. What is it? | It's voluntary control and it's striated. It has long cells and the muscle cells together form a muscle fiber. It's multinucleatedd and contain actin and myosin filaments. Function: Powers walking, lifting, talking and all other voluntary movement. |
| What is the function of nervous tissue? | Controls nerve impulses |
| What is the neuron composed of? What do they do? | The cell body, the axon and dendrites. Cell body contains the nucleus. Axon: Impulses are conducted away from the cell body. Dendrites: Receive impulses coming from other neurons. |
| Identify a neuron | slide 18 |
| What is the anatomical position? | Hands toward the sides, palms facing foward, feet together and facing foward, eyes facing fowards. |
| What is bilateral symmetry? | a term meaning that right and left sides of the body are mirror images |
| What are the body's major regions? | Head (cephalic), trunk, upper limbs, lower limbs |
| What can be found in the trunk? | thoracic, pelvic and abdominal region |
| What can be found in the upper limbs? | Phalangeal, carpal, axilary, antecubital, antebrachial region |
| What can be found in the lower limbs? | Femoral, patellar, crural and pedal region |
| [Directional Terms] What is superior? | Toward the head |
| [Directional Terms] What is inferior? | Away from the head and toward the lower part |
| [Directional Terms] What is ventral (anterior)? | [Melyka arrows!] toward the front of the body |
| [Directional Terms] What is dorsal (posterior)? | [Contraire de Melyka arrows] Toward the backside of the body |
| [Directional Terms] What is medial? | Toward the middle of the body |
| [Directional Terms] What is lateral? | Contrary of medial, away from the middle of the body |
| [Directional Terms] What is proximal? | Close to the origin of the body part/point of attachment |
| [Directional Terms] What is distal? | Farther from the origin of the body part/point of attachment. |
| [Directional Terms] What is superficial (external)? | Toward or at the body surface |
| [Directional Terms] What is deep (internal)? | Away from the body surface, more internal |
| [Directional Terms] Give the term for: the nose to the mouth | Superior |
| [Directional Terms] Give the term for: the lungs to the rib cage | Deep |
| [Directional Terms] Give the term for: the elbow to the hand | Proximal |
| [Directional Terms] Give the term for: the foot to the knee | Distal |
| [Directional Terms] Give the term for: the eye to the ear | Medial |
| [Directional Terms] Give the term for: the thumb to the little finger (fifth digit) | Lateral |
| [Directional Terms] Give the term for: the head to the thorax | Superior |
| [Directional Terms] Give the term for: the skin to the skeleton | Superficial |
| [Directional Terms] Give the term for: the brain to the skull | Deep |
| [Directional Terms] Give the term for: the knee to the thigh | Distal |
| [Directional Terms] Give the term for: the heart to the arm | Medial |
| [Directional Terms] Give the term for: the arm to the chest | lateral |
| The collabone to the breastbone and shoulder | intermediate |
| [Directional Terms] What is intermediate? | In between 2 structures |
Created by:
Malayka
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