Term
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Definition
| Single layer of cuboidal or columnar on basal lamina |
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Term
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Definition
| Stratum basale + Stratum spinosum |
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Term
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Definition
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Term
| What occurs in non-hair skin? |
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Definition
| Stratum Lucidum...contains eledin |
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Term
| What consists of dead, keratinized cells |
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Definition
| Stratum corneum...contains keratin |
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Term
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Definition
| Superficial layer of stratum corneum...constant desquamation |
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Term
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Definition
loose CT papillary (superficial)
dense irregular CT reticular layer (deep) |
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Term
| What does hypodermis contain? |
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Definition
| Adipose tissue as panniculus adiposus |
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Term
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Definition
| Flexible keratinzed structure produced by hair follicles |
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Term
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Definition
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Term
| Part of hair within the follicle? |
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Definition
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Term
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Definition
Cuticle: single layer of flat keratinized cells
Cortex: Layer of dense compact keratinized cells...has pigment granules
Medulla: Center of hair, filled with cuboidal or flattened cells. |
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Term
| Layers of internal root sheath of hair follicle |
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Definition
Internal root sheath cuticle: overlapping keratinized cells
Granular epithelial layer: 1-3 layers of ker. cells with trichohyaline
Pale epithelial layer: single layer |
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Term
| What covers the external root sheath |
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Definition
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Term
| What is the connective tissue directly under hair matrix? |
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Definition
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Term
| What forms teh hair shaft |
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Definition
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Term
| Arrector pilli muslces: connection, innvervation? |
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Definition
| Connect to CT sheath of the hair follicle and connect to papillary layer of dermis...innvervated by autonomic nerves |
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Term
| Characterization of sinus (tactile) hair follicles |
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Definition
| Blood-filled sinus btw inner and outer layer of the dermal sheath. Has some voluntary control |
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Term
| gland Type of sebaceous gland? |
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Definition
| Simple or compound alveolar glands |
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Term
| Sebaceous gland mode of secretion in hairless areas |
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Definition
| Empty directly onto surface of skin...holocrine mode |
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Term
| Sebaceous gland mode of secretion with hair follicles |
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Definition
| Empty duct to form pilosebaceous canal |
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Term
| Examples of sebaceous glands |
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Definition
| Infraorbital, inguinal and interdigital gland of sheep; preputial and circumanal glands of dog |
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Term
| Sweat (sudoriferous) gland type |
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Definition
| simple coiled tubular gland (apocrine) or simple tubular in merocrine |
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Term
| Two modes of release for sweat gland |
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Definition
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Term
|
Definition
Apocrine: Throughout most of skin (release abundantly in horse)\
Merocrine: Footpad of dogs and cats; bovine planum nasolabiale and carpal glands of pig |
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Term
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Definition
| Compound tubulo-alveolar gland |
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Term
| What do mammary glands have during secretion? |
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Definition
| Membrane bound vesicles filled with micelles of milk proteins...will be released into lumen |
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Term
| When do mamary glands let down milk? |
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Definition
| When myoepithelial cells contract in response to oxytocin |
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Term
| Mammary gland duct system |
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Definition
Intralobular - Simple cuboidal;
Interlobular - stratified cuboidal;
Lactiferous sinus - st. cuboidal;
teat sinus and papillary duct - st. squamous |
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Term
| What digital organs and hoofs are made of |
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Definition
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Term
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Definition
| Hooves of horses, ruminants, and pigs; cornual horns of ruminant; claws or nails of dogs and cats |
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Term
| What are chestnut and ergot made of |
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Definition
| Tubular and intertubular horn |
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Term
|
Definition
1. highly keratinized hairless epidermis, 2. coiled merocrine glands in the dermis
3. masses of adipose tissues enclosed in collagen and elastic fibers |
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Term
|
Definition
1. Anterior epithelium
2. subvepithelial basement membrane
3. substantia propria
4. posterior limiting membrane
5. posterior epithelium |
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Term
|
Definition
| Dense network of blodds vessels embedded in teh heavily pimgemented connective tissue |
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Term
|
Definition
1. Pigment epithelium
2. photoreceptive layer
3. external limiting membrane
4. outer nuclear layer
5. outer plexiform layer
6. inner nuclear layer
7. inner plexiform layer
8. ganglionic cell layer
9. optic nerve fiber layer
10. internal limiting membrane |
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Term
| Type of gland is the lacrimal gland |
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Definition
| Compound tubulo-alveolar...serous in ruminants, serous in cats, sero0-mucous in dogs |
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Term
|
Definition
| auricle (pinna) and external auditory canal |
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Term
|
Definition
| Auditory ossicles, tympanic cavity, and auditory tube |
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Term
|
Definition
| Bony labyrinth (perilymph) and membranous labyrinth (endolymph) |
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Term
| What do membranous ampulla of teh semicircular duct contain |
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Definition
| Crista ampullaris...made of sensory epithelium |
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Term
| What are cristae ampullaris, macula utriculi, and macula sacculi responsible for |
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Definition
| Vestibular (balancing) mechanism |
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|
Term
| What relates to hearing in the ear? |
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Definition
| Spiral organ (organ of Corti) |
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|
Term
| What are parts of the Spiral organ |
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Definition
| Sensory cells, supportive cells, afferent and efferent nerve terminals, tectorial membrane |
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Term
| How is the trachae different in avians |
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Definition
| Rings are complete and glands are numerous |
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Term
| Lining of primary bronchi in avians |
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Definition
| Pseuodstratified ciliated columnar epithelium w/ goblet cells and intraepithelial mucous glands. (same as in human) |
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Term
| Secondary bronchi lining in avian |
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Definition
| Simple columnar or cuboidal cells and no goblet cells (humans have pseudostratified) |
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Term
| Where does lymph tissue end in the lung of the avian |
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Definition
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Term
|
Definition
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|
Term
| Atria and air capillary lining |
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Definition
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Term
|
Definition
| Simple squamous or cuboidal epithelium |
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Term
|
Definition
| Cranial thoracic, caudal thoracic, paired abdominal |
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Term
|
Definition
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|
Term
| What type of glands are all salivary glands in the avian |
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Definition
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|
Term
| What is histological similar to the esophagus |
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Definition
|
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Term
|
Definition
| Desquamated lipid-laden cells |
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Term
|
Definition
| Glandular proventriculus and muscular ventriculus (gizzard) |
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Term
| Lining of the ventriculus |
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Definition
| Lined by cuticle (secretory product of mucosal gland) |
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