Veterian Key

THOMAS F. FLETCHER Neurons Neuronal Structure Cell body Nucleus Cell body cytoplasm Neuron processes Dendrites Axon Terminal branches (telodendrites) Classification Regions of a Neuron Neuronal Communication Interneuronal chemical synapses Synaptic…

BLOOD VESSELS Structure–Function Relationships of Blood Vessels The blood vessels of the macrovasculature are visible with the naked eye and include elastic and muscular arteries and accompanying veins. Arteries of…

OURANIA M. ANDRISANI Endocrine Organs Hypothalamusv Hypophysis Cerebri (Pituitary Gland) Adenohypophysis Pars distalis Acidophils Basophils Chromophobes Pars intermedia Pars tuberalis Neurohypophysis Hypothalamo-neurohypophyseal tract Hypothalamo-adenohypophyseal axis Epiphysis Cerebri (Pineal Gland) Thyroid…

BLOOD The blood consists of specialized cells derived from the bone marrow that are suspended in a liquid called plasma. In an adult animal, the blood volume is about 8…

GENERAL OVERVIEW The cell is the smallest unit of life, and all living matter (protoplasm) is composed of cells. Cells possess the unique abilities to replicate and to create energy…

INTRODUCTION Cells, Tissues, and Organs Epithelium is a tissue. A tissue is an aggregation of cells and intercellular substances specialized to perform particular functions. Despite its structural and functional complexity,…

FIBROUS TUNIC Sclera The sclera is a layer of dense irregular connective tissue that protects the eye and maintains its form (shape). While the size of the globe can be…

SMOOTH MUSCLE Light Microscopic Structure Smooth muscle cells are elongated, spindle-shaped cells (Fig. 5-1). Each cell contains a single, centrally located nucleus. The cells range from 5 to 20 µm…