Mt SAC Histology Unit 4.

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Presentation transcript:

Mt SAC Histology Unit 4

Nerve Artery Vein

Artery Tunica externa Tunica media Tunica intima

Inner elastic membrane of tunica intima Artery Tunica externa Inner elastic membrane of tunica intima Tunica media

Tunica externa Tunica media Tunica intima Vein

Tunica externa Tunica media Tunica intima Vein

Vein Tunica externa Tunica intima Tunica media

Nerve

Neurons inside nerve

Aorta Tunica intima Tunica media

Aorta Tunica intima Tunica media

Spongy bone Red bone marrow Trabeculae

Red bone marrow Megakaryocyte

Neutrophil (nucleus has several lobes)

Lymphocyte (nucleus is dark and takes up almost whole cell; almost no cytoplasm seen)

Monocyte (larger cell, horseshoe shaped nucleus)

Basophil

Lymphocyte and Neutrophil

Lymphocyte and Neutrophil

Monocyte, Lymphocyte, Neutrophil

Lymphocyte Neutrophil Monocyte Red blood cells

Neutrophil Platelets Red blood cells

Lymphocytes

Lymphocytes

Neutrophil Lymphocyte

Monocyte

Lymph Vessels Valve in lymph vessel

Valve in lymph vessel

Lymph Node Lymphatic nodules

Lymph Node Lymphatic nodule

Tonsil

Tonsil Primary crypt Lymphatic nodules

Lymphatic nodule Tonsil Epithelium Primary crypt

Tonsil Primary crypt Lymphatic nodule Epithelium

Lymphatic nodule Tonsil Epithelium Primary crypt

Tonsil Primary crypt Lymphatic nodule Epithelium

Spleen

Spleen Red pulp White pulp Blood vessel

Blood vessels Spleen Red pulp White pulp

Spleen Red pulp White pulp Blood vessel

Spleen Red pulp

Spleen Red pulp

Spleen

Spleen

Spleen

Axon Neuroglia Dendrite Multipolar neuron Nervous tissue

Multipolar neuron Neuroglia Dendrite Nervous tissue

Myelinated neurons Node of Ranvier (bare area) Node of Ranvier

Myelinated neurons Node of Ranvier (bare area)

Spinal Cord Dorsal (posterior) horn Central canal Ventral (anterior) horn White matter Gray matter

Spinal Cord Central canal White matter Gray matter

Anterior (ventral) horn of grey matter Spinal Cord Motor neuron cell body Anterior (ventral) horn of grey matter

Pituitary Gland Posterior lobe Anterior lobe Pars intermedius

Posterior Lobe Anterior Lobe

Anterior Lobe Posterior Lobe Pars intermedius

Pars intermedius Anterior Lobe Posterior Lobe

Medulla (white matter) Cerebellum Cortex (gray matter) Medulla (white matter)

Cerebellum Perkinje cells Granular layer of gray matter Molecular layer of gray matter Cerebellum

Medulla (white matter) Cerebellum Medulla (white matter) Perkinje cells Molecular layer of gray matter Granular layer of gray matter

Skin Dermis Dermal papilla Interpapillary peg Epidermis

Meissner’s corpuscle (touch receptor) Dermis Meissner’s corpuscle (touch receptor) Epidermis

Skin Pacinian corpuscle Dermis Epidermis

Pacinian corpuscle (pressure receptor) Skin Pacinian corpuscle (pressure receptor)

Skin Pacinian corpuscle

Skin Pacinian corpuscle

Vestibulocochlear nerve

Scala media Scala vestibuli Scala tympani Organ of Corti Cochlea

Cochlea Scala vestibuli Vestibular membrane Scala media Scala tympani Organ of Corti

Cochlea Scala vestibuli Vestibular membrane Scala media Organ of Corti Scala tympani Cochlea

Organ of Corti Tectorial membrane Sensory hair cell Basilar membrane

Olfactory sensory cells Olfactory Tissue Olfactory sensory cells

Olfactory sensory epithelium Olfactory Tissue Olfactory sensory epithelium

Olfactory sensory epithelium Olfactory Tissue Olfactory sensory epithelium

Tongue Taste buds Papillae