Category: I

A duct passing between lobules within a gland (e.g., one of the ducts carrying bile).  

One of several short, narrow ducts that lie between the secretory ducts and the terminal alveoli in the parotid and submandibular glands and in the pancreas.  

The number of infectious organisms, especially bacteria or viruses, that will cause disease in a healthy organism.  

The distance between the centers of the pupils of the eyes.    

The distance between the eyes.  

The distance between the occlusal surfaces of opposed teeth when the mandible is at rest.  

A slight displacement of opposing articular surfaces.  

A modification of the cell membrane of adjacent cardiac muscle cells; it contains intercellular junctions for electrical and mechanical linkage of contiguous cells.  

That part of digestion that occurs in the intestine. The consumption and chemical degradation of materials ingested by cells (e.g., bacteria, viruses, or large molecules) within vacuoles in the cytoplasm.  

That part of digestion that occurs in the intestine.