University:
Texas A&M University
Course:
BIOL 111 | Introductory Biology I
Academic year:

2019
Views:

322

Pages:

43
Author:

Campbell Wagner

Rough Endoplasmic Reticulum and Polysomes Nerve, longitudinal section nodes of Ranvier • axon (axis cylinder) • myelin sheath • Neurolemma (plasma membrane) • nuclei of neurolemmocytes (“Schwann cells”) • nodes of Ranvier nerve, human endoneurium stains black perineurium nerve, human endoneurium stains black Slide #41 (M3-189D) – nerve, monkey. . myelin sheath neurolemma and nuclei of neurolemmocytes Blood vessels & tissues, pig. (1106) CCT and white fat predominates a craniospinal ganglion = Centrally placed nuclei Perineurium endoneurium Epineurium autonomic ganglion = Uniform size of neuronal cell bodies Lip, sheep. nerves appear elongated and others are smaller and rounder distinct CCT capsule keratinized and nonkeratinized stratified squamous glands are mixed Lip, sheep. nerves appear elongated and others are smaller and rounder distinct CCT capsule CCT capsule Esophagus, trachea, pig. hyaline cartilage CCT that contains sections of several different nerve bundles Smooth muscle Sheep ear. external ear from a sheep with several bundles of nerve Smooth Muscle in an artery CTT, white fat, some may have hyaline cartilage Tongue, cow. (BV1 -152A) nerves nerves located among the skeletal muscle and white fat Tongue, cow. (BV1 -152A) nerves located among the skeletal muscle and white fat nerve Nerve cell body Omasum, cow. Keratinized or Smooth muscle nonkeratinized stratified squamous nerve Muscle Spindle. Brain & upper jaw, turkey. Intrafusal fibers fine black fibers within the spindles are nerve fibers Muscle spindle (animal) 136 monkey tongue Muscle spindles Tongue, monkey Skeletal muscle cells nerve Motor end plates in skeletal muscle One nerve innervates several muscle cells Histo 07 Skeletal muscle cells : Skeletal muscle motor end plates Skin and footpad, cat DEMO SLIDE BOX 215 Pacinian corpsule encapsulated nerve ending that functions as a pressure receptor. 215a Skin hand monkey Eccrine sweat glands Adipocytes Hypodermis Pacinian corpuscles Papillary layer Dermal papillae Epidermal peg Skin, monkey epithelium is Keratinized stratified squamous Pacinian corpsule Meissner’s corpuscle, which is a mechanoreceptor for light touch Slide 29: Thick Skin (ventral surface of finger) Meissner’s corpuscles in dermal papillae Epidermis Epidermal peg Dermal papillae Dermis Meissner’s corpuscle is a mechanoreceptor Epidermis nerve ending for sensitivity to light touch; you would find more on your fingers because they are more sensitive to touch than your elbow. axons myelin sheaths Schwann cell nuclei