BIOL 129 Study Guide - Fall 2019, Comprehensive Midterm Notes - Sternum, Nerve, Langerhans Cell
Document Summary
Objectives: describe functions of the skin, to protect the body, enables movement and growth w/o injury, thermoregulation, sensation. Learn the two layers of the skin, the hypodermis, and the structures found in each layer: the two layers, epidermis, contains mostly keratinocytes, produce keratin and oil, also melanocytes (pigment) and merkel cells (touch) Insulates the body and stores energy: be able to identify these layers and structures in histological images and diagrams. Terms: flat bone, examples: scapula, ribs, sternum, short bone, example: carpals. Long bone: longer than they are wide, example: femur. Lacunae: canaliculi, red bone marrow, yellow marrow, bone spur, osteogenesis imperfecta, rickets. Digestive system: gastrointestinal tract, tube extending from mouth to anus, about 9 meters long, what food passes through, accessory digestive organs, secrete various substances into the gi tract to aid in digestion. Includes: salivary glands, pancreas, liver, gallbladder, food does not pass through accessory organs, functions of gi tract.
