Unit 1

Anatomic terms, directions, histology, body cavities, etc.

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bio 260 southwestern

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Anatomy

a) Study of structure, relations,position.

physiology

Functions

Gross Anatomy

a. Surface anatomy-anatomy-anatomy that we can see at the surface of the body b. Regional anatomy- anatomy-complete anatomy (internal) of

a. Surface anatomy

anatomy-anatomy that we can see at the surface of the body

b. Regional anatomy

anatomy-complete anatomy (internal) of a specific region of the body

c. Systemic anatomy

the body is divided into 11 organ systems

d. Cytology

internal structure of cells

Hystology

study of tissues

What are the levels of organization of the human body?

• Chemical level • cellular level • Tissue level • Organ level • Organ system level • Organism level

Describe anatomical position

Frontal plane of the body palms facing up

Describe anatomical position

Frontal plane of the body palms facing up

Name the major body cavities divisions of the body and the organs found in these cavities.

Pleura- Lungs

Name and give the location of the membranes that line the ventral body cavity.

The visceral Pleura- covers the outer surfaces of a lung The Parietal Pleura- covers the opposing mediastinal surface and the inner body w

What is the difference between a visceral and parietal membrane?

The visceral touches the organ vs. parietal membrane lines the body wall.

Tissue:

collection of similar types of cells

Matrix

: material that surround cells(Ground substance Fluid around the cells, & Extracellular protein fibers Collagen fibers etc).

Which type of tissue forms glands in the body?

The epithelial tissue.

What is the difference between exocrine and endocrine glands?

Endocrine releases inside bloodstream Exocrine secrete outside, saliva

Know the difference between merocrine, glands. Be able to give examples of these types of glands and their methods of

Merocrine: • Moving molecules out(Secretions are released by exocytosis – ie. Salivary glands, sweat glands)

. Know the difference between merocrine, apocrine

Apocrine: • Secretions are released when the apical end of the cell is shed. – ie. Mammary glands

Holocrine

Holocrine: • Secretions are released when the cell membrane ruptures – ie. Sebaceous glands

. Be able to describe the structure of connective tissue including the cells and the extra-cellular matrix (fibers and ground substance).

• . Specialized cells – Stem cells develop into bone, cartilage, blood cells • 2. Extracellular protein fibers – Collagen fibers etc • 3. Gr

Know the characteristics, functions, and locations of the types of connective tissues studied in this unit.

Supports, surrounds & interconnects other tissue types Slide 23-35