A Text-book of the Principles of Animal Histology

acid Anat animals appear Band basal layer basement membrane become blood vessels called capillaries cartilage cavity cell body centrosome chitin chromatin chromosomes cilia columnar connective tissue connective-tissue cells Crustacea cuticle cytoplasm developed differentiated digestive distal end division duct electroplax embryo end-organs epithe epithelial cells evaginated fibrils Figure fluid follicle function gland granules groups histology inner insects integument invagination lens lobule longitudinal lumen lying lymph mammals mass material mesodermal mitosis mollusks mucous cells muscle cells muscle fibers nephridial nerve cells nerve fiber neuroglia nucleolus nucleus nurse cells organ outer ovum papilla perceptory pigment placed plates portion probably produce protoplasm proximal region reproductive cells reticulum rhabdome rods sarcolemma sarcoplasm secretion seen shows side simple specialized spermatozoa spindle spireme stages staining stratified epithelium striated structure substance surface thick thin tion tube tubule usually vacuoles vertebrates visual cells wall