Histology Final part 1

Name the 2 types of nerves in the periodontal ligaments

What is the lacuna

Function of fibroblasts is to

Where is cellular cementum the thickest

Which statement(s) about cardiac muscle are true

In what stage of tooth development does the enamel organ form

Wearing away of tooth structure from ordinary forces of occlusion is called

The area of bone loss where an apical root penetrates the cortical bone is called

Meckels cartilage is found in which brachial arch

The centre of the upper lip arises from

Mackels cartilage is important in the formation of the maxilla

Which of the following is not present in a tooth germ

Define fusion

What is the name of the median swelling that develops part of the tongue

What type of secretion is clear watery with protein

The primitive mouth starts to form at

Osteon is

Stratum corneum is found in stratified squamous keratinized epithelium

Cleft lip can be defined as

Layers that make up the basal lamina

Which embryonic layer produces alveolar process

What structures make up the hard palate

What is the most common cell within the PDL

Which salivary gland is located anterior and inferior to the ear, between the skin of the cheek and masseter muscle

Golgi apparatus

What % of saliva is produced by major salivary glands

Goblet cells are found in all but

Endoplasmic reticulum is

Putting of enamel because of poor matrix formation is caused by

In what week does the primary palate and bilateral maxillary processes fuse

Loose connective tissue

Which prenatal period is involved in the 1st trimester

A duct that does not branch

When does the tongue start to develop

Neutrophils are

Nucleus is

simple cuboidal epithelium

Which statement about thyroid gland is true

Alveolar mucosa is non keratinized

Cementum is located on top of Tomes granular in

Mature red blood cells and blood platelets have nuclei

Development of the tongue takes place in weeks

What covers the floor of the mouth, buccal, labial, alveolar, ventral surface of tongue and soft palate

In what stage of mitosis does the nuclear membrane disappear

What lines can be seen with the naked eye on the cervical 2/3rds of the crown

Exocytosis is expulsion of materials OUT of the cell by fusion of a vesicle membrane with the cell membrane

A disturbance during root formation that causes the root to curve is also known as

The basement membrane is located between the epithelium and connective tissue

Which type of junctions binds cells together by creating spot welds between adjacent membranes

What % of total saliva volume does submandibular gland produce

Which papillae have no taste buds

Define oligodontia

Which component of blood functions in clotting

Periodontal ligament

Loss of tooth structure at the cervical neck area of teeth that is often wedge shaped is called

Red blood cells are

Which duct opens under the tongue near the frenum at the sublingual caruncle

What develop on inner surface of enamel organ

The primary dentition is initiated at

Pinocytosis is cell eating

When does cap stage occur

Which of these location does NOT have keratinized stratified squamous epithelium

Maintain shape of the cell

When tooth movement occurs

What is the highest point of the alveolar ridge that joins the facial and lingual cortical plates

Where are the Von Ebners salivary glands located

What contains adipose tissue and minor salivary glands

Lamina dura is defined as

An outgrowth or projection of a tooth usually on the posterior teeth is known as

Stages of tooth development: bud, cap, bell, dentinogenesis, amelogenesis, crown formation, root formation, function

These concentric series of bands represent incremental growth lines that extends from the DEJ

What type of bone lies within the maxilla and mandible and has a web like appearance on radiographs

Which cartilage does all cartilage originate from

What type of epithelium is the oral mucosa composed of

Leeway space is created in the arches by the replacement of larger primary molars by smaller perm premolars

What produces approximately 10% of total salivary volume

Root formation begins before the crown is completely formed. HERS consist of only IEE and OEE

The Alveodental ligament fiber group includes all fibers except

Intramembranous ossification

Another name for cytosine

The oral cavity has a turnover time of how many days

The tongue forces the developing palatal shelves to “flip up”, move toward each other and merge to form PRIMARY PALATE

The fibrous matrix of cementum

The fusion of cementum is termed

What is the order of the cycle of root formation

Which organelle contains ribosomes

Reticular fibers are composed of

Which nerve carries information from PNS to CNS

What ducts are lined with simple columnar epithelium and may have mitochondria

Cementum is composed of

Sometimes odontoblastic processes pass across the DEJ into the enamel and are trapped. What is this called

Embryonic period sequence: induction, proliferation, differentiation, morphogenesis, maturation

Cementum formation

Name the group of fibers in PDL

Chalky areas that are decalcified due to acids or poor OH are caused by

Which of the statements about Fibrocartilage is/are true

Which gland secretes small amounts of cytoplasm/cell with secretory product

The process by which all cytoplasmic components of the cell are divided into 2 identical daughter cells

Define gemination

The tongue begins to develop from