UGA CBIO 2200 - Tissues and Glands (5 pages)

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Tissues and Glands



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Tissues and Glands

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Description of different types of glands, as well as finishing up the tissues (bone and blood)


Lecture number:
7
Pages:
5
Type:
Lecture Note
School:
University of Georgia
Course:
Cbio 2200 - Anat & Physiol I
Edition:
1

Unformatted text preview:

CBIO 2200 1nd Edition Lecture 7 Outline of Last Lecture I Classes of Epithelium and Cell Shape II Simple Epithelia III Stratified Epithelia IV Connective Tissue Functions V Adipose Tissue VI Cartilage Outline of Current Lecture I Bone Tissue Osseous Tissue II Fluid Connective Tissue Blood III Nervous Tissue excitable tissue IV Muscle Tissue excitable tissue V Cell Junctions VI Glands VII Membranes Current Lecture I Bone Tissue Osseous Tissue a Two forms of osseous tissue i Spongy bone 1 Characterized by trabeculae also called spicules These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II III IV ii Compact bone 1 Composed of osteons rarely found in osteons 2 Osteon a Central canal Haversian canal b Concentric lamellae c Osteocytes mature osteoblasts in lacunae called osteocytes once trapped in lacunae d Canaliculi channels that allow osteocytes to communicate with each other e Periosteum connective tissue that covers bone Fluid Connective Tissue Blood a Plasma ground substance b Formed elements cells and cell fragments i Erythrocytes RBC ii Leukocytes WBC iii Platelets cell fragments help in forming clots Nervous Tissue Excitable Tissue a Excitability capable of responding to stimuli because of membrane potential b Membrane potential electrical charge difference voltage that occurs across the plasma membranes is the basis for their excitation i Negative charge within cell ii With positive charge leaking out negative proteins cannot move across membrane c Consists of i Neurons nerve cells ii Neuroglia glial support system immune cells provide nutrients iii Neuron Parts 1 Neurosoma cell body 2 Dendrites 3 Axon nerve fiber Muscle Tissue Excitable tissue a Excitability causes contraction of cell b Membrane potential c Skeletal cardiac and smooth muscle tissues d Skeletal muscle tissue attached to the bones with a few exceptions such as some face muscles i Skeletal muscle



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